SRM1 Series Datasheet by Omron Automation and Safety

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omRon
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1
Distributed I/O Controller SRM1
The SRM1’s high-speed distributed I/O
controller is a revolutionary design in PLC
control. The SRM1 places all the processing
power and control in the ultra compact master
unit and allows you to distribute up to 256
points of I/O via a twisted pair network. You
can create a distributed I/O network with up to
32 nodes at distances up to 500 meters away.
This allows for reduced cabling costs, in-
creased flexibility, lower system costs, and
optimum efficiency when I/O has to be located
away from the CPU.
HDistributed I/O system supports up to 256
I/O points
HSRM1 master communicates with up to 32
nodes at up to 500 meters away
HTwisted pair network allows easy addition of
devices and reduces cabling costs
HHigh-speed communications at up to
750 kbps
HMultiple remote I/O options including
discrete and analog I/O devices
H4k Program memory; 2 k Data memory
HUL/CSA/CE approvals
uC
Basic Configuration
Host device
CompoBus/S Communications Cable
SRM1
Peripheral
device
Terminator
Slave Slave Slave
32 Slaves max.
omRon Efl EL
SRM1
SRM1
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Ordering Information
JCPU/MASTER UNITS
Product Appearance Power
supply Peripheral
port Serial
port Standards Part number
CPU/Master Unit DC Yes UL, CSA,
CE (See SRM1-C01-V2
DC Yes RS-232C
port
CE (See
Note 2.) SRM1-C02-V2
JCOMPOBUS/S I/O SLAVE TERMINALS
Product Appearance Specifications Power
supply
(See
Note 1.)
Standards
(See Note
2.)
Part number
Transistor remote I/O
terminal blocks
SRT2 models support long
distance and high-speed
communications
4 transistor input (NPN)
4 transistor inputs (PNP)
8 transistor inputs (NPN)
8 transistor inputs (PNP)
16 transistor inputs (NPN)
16 transistor inputs (PNP)
Multiple UL, CSA,
CE SRT2-ID04
SRT2-ID04-1
SRT2-ID08
SRT2-ID08-1
SRT2-ID16
SRT2-ID16-1
4 transistor outputs (NPN)
4 transistor outputs (PNP)
8 transistor outputs (NPN)
8 transistor outputs (PNP)
16 transistor outputs (NPN)
16 transistor outputs (PNP)
SRT2-OD04
SRT2-OD04-1
SRT2-OD08
SRT2-OD08-1
SRT2-OD16
SRT2-OD16-1
Transistor remote I/O
terminal blocks with
individual commons for
each point
16 transistor inputs (NPN)
16 transistor inputs (PNP)
16 transistor I/O points (NPN)
16 transistor I/O points (PNP)
16 transistor outputs (NPN)
16 transistor outputs (PNP)
Multiple UL, CSA,
CE SRT2-ID16T
SRT2-ID16T-1
SRT2-MD16T
SRT2-MD16T-1
SRT2-OD16T
SRT2-OD16T-1
Plug-in relay output blocks 8 relay outputs
16 relay outputs
8 power MOSFET relay outputs
16 power MOSFET relay outputs
Local UL, CSA,
CE SRT2-ROC08
SRT2-ROC16
SRT2-ROF08
SRT2-ROF16
Electromechanical relay
Power MOSFET relay G6D-1A DC24
G3DZ-2R6PL DC24
Connector remote
terminal blocks
(MIL connector on 16-pt
8 transistor input (NPN)
8 transistor inputs (PNP)
8 transistor outputs (NPN)
8 transistor outputs (PNP)
Multiple UL, CSA,
CE SRT2-VID08S
SRT2-VID08S-1
SRT2-VOD08S
SRT2-VOD08S-1
models or sensor connector
on 8-pt models) 16 transistor inputs (NPN)
16 transistor inputs (PNP)
16 transistor outputs (NPN)
16 transistor outputs (PNP)
SRT2-VID16ML
SRT2-VID16ML-1
SRT2-VOD16ML
SRT2-VOD16ML-1
Connector remote
terminal blocks
(MIL connector on 16-pt
models or sensor connector
on 8-pt models)
Mounting bracket, sidemounting
Mounting bracket, surface mount
Input cable to G7TC block, 0.5 m
Output cable to G7TC block, 0.5 m
UL, CSA,
CE SRT2-ATT01
SRT2-ATT02
G79-I50C
G79-O50C
(This table continues on the next page.)
Note: 1. Information on EC Directives
Individual OMRON products that comply with EC Directives conform to the common emission standards of EMC Directives.
However, the emission characteristics of these products installed on customers equipment may vary depending on the configu-
ration, wiring, layout, and other conditions of the control panel used. For this reason, customers are requested to check whether
the emission characteristics of the entire machine or equipment comply with the EMC Directives.
2. Network power supply: One power supply can be used for communications and I/O over flat cable SCA1-4F10.
Multiple power supply: Use separate power supplies for communications and I/O. Flat cable cannot be used for I/O power.
Local power supply: Power can only be provided from a single source using twisted-pair cable.
OITIROH SRM1
SRM1 SRM1
3
CompoBus/S I/O Slave Terminals Table continued from previous page
Product Appearance Specifications Power
supply
(See
Note 1.)
Standards
(See Note
2.)
Part number
Sensor remote
terminal block 8 inputs (NPN)
8 outputs Multiple UL, CSA,
CE SRT1-ID08S
SRT1-OD08S
4 automatic teaching points (NPN) Network SRT1-ND08S
Sensor connectors For 0.3 to 0.5 mm2 sensor cables
For 0.14 to 0.2 mm2 sensor cables — — XS8A-0441
XS8A-0442
Sensor amplifier remote
terminal blocks for
CompoBus/S
4 single-point fiber-optic amplifiers
1 four-point fiber-optic amplifier
4 single-point amp, expansion
1 four-point amp, expansion
Local CE SRT1-TID04S
SRT1-TKD04S
SRT1-XID04S
SRT1-XKD04S
Fiber-optic sensor
amplifiers for Omrons
E32-series fiber-optic
cables
High accuracy, long-distance, 1-ch
General-purpose, 1 channel
Multi-functional, 1 channel
E3X-NH16
E3X-NT16
E3X-NT26
Multi-functional, 4 channels E3X-NM16
Inductive proximity sensor
amplifier Sensor detects all metal targets,
offer 1 teach function, 1 channel;
use E2C sensing heads
— — E2C-T16
Terminal block Connect any 2-wire or 3-wire DC
photoelectric or proximity sensor,
limit switch or basic switch; 1
channel
— — E39-JID01
Analog input terminal 1 to 4 inputs (set with DIP switch)
Six ranges from 10 to +10 V and 0
to 20 mA
Network CE SRT2-AD04
Analog output terminal 1 to 2 outputs (set with DIP switch)
Five ranges from 10 to +10 V and
4 to 20 mA
Network SRT2-DA02
PC board remote I/O
modules 16 point input, NPN
16 point output, NPN
Standard DIP pitch
Local CE SRT1-ID16P
SRT1-OD16P
Branch connector
Extension connector
Connector terminator
— — SCN1-TH4
SCN1-TH4E
SCN1-TH4T
Flat cable 100 m SCA1-4F10
Twisted pair cable Belden #9409 cable
(available
commercially)
Terminal-block terminator — — SRS1-T
Note: 1. Information on EC Directives
Individual OMRON products that comply with EC Directives conform to the common emission standards of EMC Directives.
However, the emission characteristics of these products installed on customers equipment may vary depending on the configu-
ration, wiring, layout, and other conditions of the control panel used. For this reason, customers are requested to check whether
the emission characteristics of the entire machine or equipment comply with the EMC Directives.
2. Network power supply: One power supply can be used for communications and I/O over flat cable SCA1-4F10.
Multiple power supply: Use separate power supplies for communications and I/O. Flat cable cannot be used for I/O power.
Local power supply: Power can only be provided from a single source using twisted-pair cable.
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JI/O LINK UNITS
CPU Description Part number
CPM1A/CPM2A Allows CPM1A/CPM2A to be used as a terminal on a CompoBus/S net-
work (8 inputs/8 outputs) CPM1A-SRT21
CPM2C Allows CPM2C to be used as a terminal on a CompoBus/S network
(8 inputs/8 outputs) CPM2C-SRT21
JADAPTERS
Product Description Part number
RS-232C adapter Converts peripheral port to RS-232C level; cable length 3.3 m CQM1-CIF02
Converts peripheral port to RS-232C level; DIN mount CPM1-CIF01
RS-422/RS-485 adapter Converts peripheral port to RS-422/RS-485; DIN mount CPM1-CIF11
JCONNECTING CABLES
Product Description Part number
RS-232C cable RS-232C to RS-232C for PLC communication; cable length 2 m C200H-CN320-EU
RS-232C to RS-232C; PC connection for program download; cable length
2 m C200HS-CN220-EU
JPERIPHERAL DEVICES
Product Description Part number
Programming console Hand-held programming console with cable attached, 2 m length CQM1-PRO01–E
Hand-held programming console with back light (cable not included) C200H-PRO27-E
Connecting cable Connects C200H programming console to peripheral port, 2 m length C200H-CN222
Connects C200H programming console to peripheral port, 4 m length C200H–CN422
JSUPPORT SOFTWARE
Product Functions Part number
CX-Programmer Jr. Windows-based programming software; reduced instruction set
and networking commands. OS: Windows 95/98/NT WS02-CXPC1-EJR-V2.0
CX-Programmer Full programming software package programs micro, small and
larger controllers. WS02-CXPC1-EV2.0
JPROGRAM TRANSFER EQUIPMENT
Product Description Part number
Expansion Memory Unit Uploads and downloads program and setup memory areas to and from
the controller. CPM1-EMU01-V1
EEPROM (256 kbits) Used with the Expansion Memory Unit. CPM1-EEPROM-EMU01
JMANUALS
Product Description Part number
Operation manual CompoBus/S SRM1 Master operation manual W318
Operation manual CompoBus/S SRT2-Series terminals operation manual W266
Programming manual SRM1/CPM1A/CPM2A/CPM2C programming manual W353
OITIROH SRM1 : no 0 %%%E%&& of —. \_/
SRM1 SRM1
5
Nomenclature
Peripheral port
communications status indicator
Flashes when the peripheral port or
RS-232C port is in communication.
SRM1-C01-V2 SRM1-C02-V2
CPU status indicators
CompoBus/S
communications status
indicators
Indicates the status of the
CompoBus/S in operation and
in communication with Slaves.
Connector cover
Peripheral port
Connect this port to programming
tools through dedicated cables.
Terminal block
Connector cover
RS-232C port
Connect this port to the
RS-232C interfaces of personal
computers and Programmable
Terminals.
Specifications
JGENERAL SPECIFICATIONS
Supply voltage 24 VDC (20.4 to 26.4 VDC allowable)
Power consumption 3.5 W max.
Inrush current 5.0 A max. (pulse width: 15 ms max.)
Noise immunity Conforms to IEC61000-4-4; 2 kV (power lines)
Vibration resistance 10 to 57 Hz, 0.075-mm amplitude, 57 to 150 Hz, acceleration: 9.8 m/s2 in X, Y, and Z directions for 80
minutes each
(Time coefficient; 8 minutes × coefficient factor 10 = total time 80 minutes)
Shock resistance 147 m/s2 three times each in X, Y, and Z directions
Ambient temperature Operating: 0°C to 55°C (32°F to 131°F)
Storage: 20°C to 75°C (4°F to 167°F)
Humidity 10% to 90% RH with no condensation
Atmosphere Must be free from corrosive gas.
Power interrupt time DC type: 2 ms min.
Weight 150 g max.
JPERFORMANCE SPECIFICATIONS
Programming language Ladder diagram
Instruction length 1 step per instruction, 1 to 5 words per instruction
Types of instructions Basic instructions: 14
Special instructions: 81 instructions, 125 variations
Execution time Basic instructions: 0.97 µs (LD instruction)
Special instructions: 9.1 µs (MOV instruction)
Program capacity 4,096 words
User data memory capacity 2,022 words
Memory backup Flash memory (no backup needed): User programs
Battery: Data memory, 10 years at 25°C
Peripheral port One port: Host Link, No Protocol
RS-232C port One port (SRM1-C02-V2): Host Link, NT Link, 1:1 Link, No Protocol
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JI/O ALLOCATION
Maximum I/O points 256 points
Input bits 160 bits: 00000 to 00915 (Bits not used as input bits can be used as work bits.)
Output bits 160 bits: 01000 to 01915 (Bits not used as output bits can be used as work bits.)
Work bits 704 bits: 00800 to 00915 (Words IR 008 and IR 009)
01800 to 01915 (Words IR 018 and IR 019)
20000 to 23915 (Words IR 200 to IR239)
Special bits (SR area) 248 bits: 24000 to 25507 (Words IR 240 to IR 255)
Temporary bits (TR area) 8 bits (TR0 to TR7)
Holding bits (HR area) 320 bits: HR 0000 to HR 1915 (Words HR 00 to HR 19)
Auxiliary bits (AR area) 256 bits: AR 0000 to AR 1515 (Words AR 00 to AR 15)
Link bits (LR area) 256 bits: LR 0000 to LR 1515 (Words LR 00 to LR 15)
Timers/Counters 128 timers/counters (TIM/CNT 000 to TIM/CNT 127)
100-ms timers: TIM 000 to TIM 127
10-ms timers (high-speed counter): TIM 000 to TIM 003
Decrementing counters and reversible counters
(Note: A malfunction may occur if the cycle time is over 10 ms when TIM 004 to TIM 127 are
used with the TIMH instruction.)
Data memory Read/Write: 2,022 words (DM 0000 to DM 2022)
Read-only: 512 words (DM 6144 to DM 6655)
Interval timer interrupts One-shot mode / Scheduled interrupt mode, one bit (0.5 to 319.968 ms)
The input bits of SRM1 words 000 to 007, and the output bits of words 010 to 017, are allocated to the CompoBus/S Slave. These alloca-
tions are shown in the following table:
IN0 to IN15 are Input Slave node numbers, and OUT0 to OUT15 are Output Slave node numbers.
If the maximum number of CompoBus/S devices is set to 16, then IN8 to IN15 and OUT8 to OUT15 can be used as work bits.
For CompoBus/S Slaves with fewer than eight points, the bit addresses from either bit 0 or bit 8 are allocated as reserved.
I/O Word address Slave node Number
Bits 15 to 8 Bits 7 to 0
Inputs 000 IN1 IN0
001 IN3 IN2
002 IN5 IN4
003 IN7 IN6
004 IN9 IN8
005 IN11 IN10
006 IN13 IN12
007 IN15 IN14
I/O Word address Slave node Number
Bits 15 to 8 Bits 7 to 0
Outputs 010 OUT1 OUT0
011 OUT3 OUT2
012 OUT5 OUT4
013 OUT7 OUT6
014 OUT9 OUT8
015 OUT11 OUT10
016 OUT13 OUT12
017 OUT15 OUT14
SRM1 — OITIROFI 0‘0 to 70°C {49F m 153:
SRM1 SRM1
7
JCOMPOBUS/S COMMUNICATIONS SPECIFICATIONS
Communications method CompoBus/S protocol
Coding method Manchester coding method
Connection method Multi-drop method and T-branch method (See Note 1.)
Communications High-speed mode 750 kbps
baud rate
(See Note 2.) Long-distance mode 93.75 kbps
Communications High-speed mode 0.8 ms, when maximum number of connectible terminals is 32
cycle time 0.5 ms, when maximum number of connectible terminals is 16
Long-distance mode 6.0 ms, when maximum number of connectible terminals is 32
4.0 ms, when maximum number of connectible terminals is 16
Maximum number of connectible terminals 32: 16 IN and 16 OUT
16: 8 IN and 8 OUT
Communications
distance High-speed mode Belden #9409 or VCTF cable:
Main line length: 100 m max.
Branch-line length: 3 m max.
Total length of branches: 50 m max.
Flat cable (SCA1-4F10):
Main line length: 30 m max.
Branch-line length: 3 m max.
Total length of branches: 30 m max.
(When flat cable is used to connect fewer than 16 Slaves, the main line can be up to
100 m long and total branch line length can be up to 50 m.)
Long-distance mode Belden #9409 or VCTF cable:
Main line length: 500 m max.
Branch-line length: 6 m max.
Total length of branches: 120 m max.
Cable Vinyl-clad VCTF
JIS C3306 Two 0.75 mm2 conductors (2 signal wires)
Flat cable Four 0.75 mm2 conductors (2 signal wires and 2 power supply wires)
Number of points per CPU 256 (128 IN and 128 OUT), when maximum number of connectible terminals is 32.
128 (64 IN and 64 OUT), when maximum number of connectible terminals is 16.
Error control checks Manchester code check, frame length check, parity check, two-transfer comparison
Note: 1. A terminator must be connected to the point in the system farthest from the Master.
2. The communications baud rate is switched using DM settings (default setting is 750 kbps).
JTERMINATORS
Ratings/Characteristics
Rated current 4 A
Contact resistance 20 m max.
Insulation resistance 1,000 M min. at 500 VDC
Withstand voltage 1,000 VAC for 1 min, leakage current: 1 mA max.
Cable pulling strength 50 N (5.1 kgf) min.
Operating temperature 20°C to 70°C (4°F to 158°F)
Materials
Housing PA66 resin (UL94V-2)
Cover Branching and extension: Gray
Terminator: Black
Contact Phosphor bronze and nickel base, tin plated
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Dimensions
Unit: mm (inch)
JCPU/MASTER UNITS
SRM1-C01-V2, SRM1-C02-V2
The above dimensions apply to the SRM1-C02-V2. The SRM1-C01-V2 has no RS-232C port.
100
(3.94)
110
(4.33)
85.5
(3.37)
30 (1.18)
40 (1.57) 36 (1.42)
60 (2.36)
15
8
With Programming
Console Connector
Attached
70 (2.76)
JCOMPOBUS/S SLAVE INPUT AND OUTPUT TERMINALS
SRT1-ID04 (-1), SRT1-OD04 (-1)
SRT2-ID04 (-1), SRT2-OD04 (-1)
SRT1-ID08 (-1), SRT1-OD08 (-1)
SRT2-ID08 (-1), SRT2-OD08 (-1)
54
(2.12)
27
80 (3.15)
48
(1.89)
65
(2.56)
Two, 4.2 dia. or M4
Sixteen, M3 Mounting Holes
20.5
11
68 ±0.2 (2.68 ±0.008)
OITIROH SRM1
SRM1 SRM1
9
RT1-ID16 (-1), SRT1-OD16 (-1)
RT2-ID16 (-1), SRT2-OD16 (-1)
48
(1.89)
Two, 4.2 dia. or M4
(50)
28
Mounting Holes
54
(2.12)
27
50
20.5
11
105 (4.13)
22M3
93 ±0.2 (3.66 ±0.008)
84
SRT2-ID16T (-1)
SRT2-MD16T (-1)
SRT2-OD16T (-1)
Mounting Holes
Two, 4.2 dia. or M4
180 (7.09)
170
50
(1.97)
40
3.15
57.5
(2.26)
170 ±0.2 (6.69 ±0.008)
40 ±0.2
(1.57
±0.008)
omRon
SRM1
SRM1
10
Unit: mm (inch)
SRT1-ROC08, SRT1-ROF08
SRT2-ROC08, SRT2-ROF08 Mounting Holes
SRT1-ROC16, SRT1-ROF16
SRT2-ROC16, SRT2-ROF16
Mounting Holes
100 (3.94)
50
Two, 4.2 dia. or M4
Two, 4.2 dia. or M4
155 (6.10)
Thirtytwo, M3
Sixteen,
M3
50
(1.97) 50
(1.97)
50
80
40
135
40
54
(2.12)
6
7
11.5 21.5
41 ±0.2
(1.61
±.008)
80 ±0.2
(3.15 ±0.008)
631 41
65
(2.56)
25
(0.98)
50
(1.97)
631 41 50
(1.97)
67
11.5 21.5
41 ±0.2
(1.61
±0.008)
135 ±0.2
(5.31 ±0.008)
65
(2.56)
25
(0.98)
54
(2.12)
SRM1 L
SRM1 SRM1
11
SRT2-VID08S
SRT2-VID08S-1
SRT2-VOD08S
SRT2-VOD08S-1
90
(3.54)
32 (1.26)
5
55 (2.17)
85 (3.35)
70
SRT2-VID16ML
SRT2-VID16ML-1
SRT2-VOD16ML
SRT2-VOD16ML-1
90
(3.54)
32 (1.26)
5
55 (2.17)
82 (3.23)
77
Mounting Brackets
SRT2-ATT01
SRT2-ATT02
Dimensions when Unit is mounted.
35 (1.38)
35 (1.38)
35
(1.38)
32.5(1.28) 7.3
105.5 (4.15)
50
(1.97)
120 (4.72)
omRon WV WY
SRM1
SRM1
12
Unit: mm (inch)
RT1-ID08S
Mounting Holes
100 (3.94)
Cover opening and
closing directions
Two, 4.2 dia or M4
Four, M3
50
(1.97)
75 (2.95)
2.8
37 (1.46)
4
92±0.2
(3.62±0.008)
40±0.2
(1.57
±0.008)
40
6
92
SRT1-ND08S
Mounting Holes
70 (2.76) max.
Four, M3
Cover opening and
closing directions
Two, 4.2 dia or M4
75 (2.95)
37 (1.46)
62±0.2
(2.44±0.008)
40±0.2
(1.57
±0.008)
40
4
2.8
6
50
(1.97)
62
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SRM1 SRM1
13
SRT1-OD08S
Cover opening and
closing directions
2.8
Two, 4.2 dia. or M4
Four, M3
7
40
92 Mounting Holes
4
6
40±0.2
(1.57
±0.008)
92±0.2
(3.62±0.008)
75 (2.95)
37 (1.46)
100 (3.94)
50
(1.97)
SRT1-TID04
Two, 4.2 dia. or M4
Two, 4.5 dia. Mounting Holes
75 (2.95)
3.4
14.3
70
36.7
41
(1.61)
61.8 (2.43)
48 48
(1.89)
13
(0.51)
30.5 13
6
1
omRon
SRM1
SRM1
14
Unit: mm (inch)
Two, 4.2 dia. or M4
Two, 4.5 dia.
SRT1-XID04S
Mounting Holes
75 (2.95)
3.4
14.3
70
36.7
41
(1.61)
48 48
(1.89)
3
(0.12)
6
41.2 (1.62)4.5
317.5
SRT1-TKD04S
Two, 4.2 dia. or M4
Two, 4.5 dia. Mounting Holes
75 (2.95)
3.4
70
36.7 14.3
7.5
(0.29)
48
(1.89)
41
(1.61)
52 (2.05) 1
26 7.5
6
48
OITIROH SRM1
SRM1 SRM1
15
SRT1-XKD04S
Two, 4.2 dia. or M4
Two, 4.5 dia.
Mounting Holes
75 (2.95)
3.4
14.3
70
36.7
41
(1.61)
48 48
(1.89)
3
(0.12)
6
4.5
317.5
33 (1.30)
E3X-NM16 Output indicator Stability indicator
Eight, 2.4 dia.
7
7
8.3
77
8.3
10
10.8
21.4 3.5
32.2 (1.27) 59 (2.32)
33
(1.30)
13 34.8
32.5
10.9
6.2
5.5
6.1
10.7
8
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SRM1
SRM1
16
Unit: mm (inch)
E3X-NTj6
Output indicator Stability indicator
Two, 2.4 dia.
7
59 (2.32)
13 36.7
32.5
(1.28)
10.9
6
5.5
10.7
8
10
(0.39)
E2C-T16
10
(0.39) 4
(0.16)
2
(0.08)
0.5
(0.02)
22.6
(0.89) 2
(0.08)
32.5
(1.28)
6
(0.24)
70
(2.76)
24
(0.94)
21.8
(0.86)
R2
5.5
(0.22)
36.7
(1.44)
OUT indicator STB indicator
7
(0.28)
E39-JID01 Output indicator
59 (2.32)
64.5 (2.54)
32.5
(1.28)
10.9
6.1
10.5
10
(0.39)
SRM1 — OITIROFI \— o [I'lllllllllgllgi
SRM1 SRM1
17
SRT1-ID16P
SRT1-OD16P
Incorrect insertion
prevention pin
PCB dimensions (top view)
No cumulative tolerance allowed
16
(0.63)
2.54 x 15 = 38.1
27.94±0.1
2.54±0.1
2.54x15 = 38.1 (1.50) 8.95±0.1
1.53±0.1
0.63
27.94±0.1
(1.10 ±0.004)
1.6
1.6 dia.
0.63
3.5
2.54
35
(1.38)
60 (2.36) 2.2 dia. +0.1
0
+0.1
0
320.9 dia
SRT2-AD04
Mounting Holes
Two, 4.2 dia. or M4
105 (4.13)
93
50
(1.97)
27
48 (1.89)
19
65 (2.56)
93 ±0.2
(3.66 ±0.008)
48 (1.89)
4
SRT2-DA02
Mounting Holes
Two, 4.2 dia. or M4
105 (4.13)
93
50
(1.97)
27
48 (1.89)
19
65 (2.56)
93 ±0.2
(3.66 ±0.008)
48 (1.89)
4
omRon %%
SRM1
SRM1
18
Unit: mm (inch)
JCONNECTORS, CABLE, TERMINATORS
SCN1-TH4 Branch Connector
SCN1-TH4E Extension Connector
SCN1-TH4T Connector Terminator
15
(0.59)
13
17 (0.69)
10.1
20
(0.79)
15
(0.59) 13
17 (0.69)
10.1
20
(0.79)
SRS1-T Terminalblock Terminator
40 (1.57)
Two, 4.4 dia.
30±0.2
Two, 4.2 dia. or M4
20 (0.79)
20
(0.79)
Mounting Holes
20±0.15
30±0.2
1.18 ±0.008
6
SRM1 SRM1
19
Communications
JNT LINK FOR PROGRAMMABLE TERMINALS
1:1 NT Link
High-speed communications can be achieved by providing a
direct access through the use of the 1:1 NT Link between the
SRM1 and Omrons NT-Series Programmable Terminals. The
RS-232C port can be used for NT Link. The peripheral port can
be converted to RS-232C port using the CPM1-CIF01 serial
communication adapter.
Programmable Terminal SRM1
C200H-CN320-EU
cable (3 m)
1:N NT Link
Connect the SRM1 to several NTSeries Programmable
Terminals via the peripheral port using the CPM1-CIF11 serial
communication adapter, as shown in the illustration at below.
OMRON PTs that support the 1:N NT Link must be used.
Programmable
Terminals SRM1
CPM1-CIF11
Peripheral to
RS-422/RS-485 adapter
RS-422
JHOST LINK COMMUNICATIONS
Host Link is a command/response communications system in
which commands are transmitted from the host computer and
corresponding responses are returned from the destination
SRM1. Host Link commands can be used to read/write data in
SRM1 data areas and read/write settings. Either the peripheral
port or RS-232C port can be used.
Command
Response
Host Link
computer
SRM1
1:1 Host Link Connection
The SRM1 can be connected to an IBM PC/AT or compatible
computer or a Programmable Terminal, as shown in the following
diagram.
SRM1
Programmable
Terminal
Command
Response
Command
SRM1
Response
IBM PC/AT or com-
patible computer
SRM1
SRM1
20
Peripheral Port Connection
IBM PC/AT or
compatible
computer
C200H-CN320-EU
cable (3 m)
RS-232C Commu-
nications Adapter
CPM1-CIF01
C200HS-CN220-EU cable (2 m)
SRM1
Programmable
Terminal
1:N Host Link Connection
SRM1 SRM1
Response
Command
IBM PC/AT or compatible
computer with RS-422
CPM1-CIF11 Serial
Communications
Adapter
CPM1-CIF11 Serial
Communications
Adapter
SRM1 — omRon — In. I o W]!
SRM1 SRM1
21
J1:1 LINK CONNECTIONS FOR DATA EXCHANGE
An SRM1 can share a common data memory area with another
SRM1, CQM1, CPM1, CPM1A, CPM2A, CPM2C, C200HS, or
C200HX/HE/HG Programmable Controller. One controller acts as
the Master and the other as the Slave to link up to 256 bits in the
LR area. In the following example, an SRM1 is linked one-to-one
to another SRM1. An alternate configuration uses the
CPM1-CIF01 serial communication adapter to the peripheral port.
Restrictions
The only SRM1 words that can be used for link relay are the
words from LR00 to LR15. These words must also be used in the
linked programmable controller (CQM1, C200HX/HE/HG/HS or
CS1). It is not possible for words LR16 to LR63 to be linked
one-to-one with an SRM1.
SRM1SRM1
Link bits
WRITE area
READ area
LR 00
LR 07
LR 08
LR 15
WRITE
READ
READ area
WRITE area
LR 00
LR 07
LR 08
LR 15
READ
WRITE
Link bits
RS-232C
Port RS-232C
Port
JPROGRAM TRANSFER UNIT
Use Omrons EEPROM program transfer unit to update programs
in machines or program multiple controllers with the same
program. The CPM1-EMU01-V1 Expansion Memory Unit
connects to the peripheral port of micro and small PLCs.
Uploading
Downloading
EEPROM Omron SRM1,
CPM1A, CPM2A,
CPM2B, CPM2C and
CQM1H program-
mable controllers
omRon
SRM1
SRM1
22
Instruction Set
JSEQUENCE INSTRUCTIONS
Sequence Input Instructions
Instruction Mnemonic Code
LOAD LD f
LOAD NOT LD NOT f
AND AND f
AND NOT AND NOT f
OR OR f
OR NOT OR NOT f
AND LOAD AND LD f
OR LOAD OR LD f
Sequence Output Instructions
Instruction Mnemonic Code
OUTPUT OUT f
OUT NOT OUT NOT f
SET SET f
RESET RSET f
KEEP KEEP 11
DIFFERENTIATE UP DIFU 13
DIFFERENTIATE DOWN DIFD 14
Sequence Control Instructions
Instruction Mnemonic Code
NO OPERATION NOP 00
END END 01
INTERLOCK IL 02
INTERLOCK CLEAR ILC 03
JUMP JMP 04
JUMP END JME 05
JTIMER/COUNTER INSTRUCTIONS
Instruction Mnemonic Code
TIMER TIM f
COUNTER CNT f
REVERSIBLE COUNTER CNTR 12
HIGH-SPEED TIMER TIMH 15
JSTEP INSTRUCTIONS
Instruction Mnemonic Code
STEP DEFINE STEP 08
STEP START SNXT 09
JINCREMENT/DECREMENT
Instruction Mnemonic Code
INCREMENT INC(@) 38
DECREMENT DEC(@) 39
JBCD/BINARY CALCULATION
Instruction Mnemonic Code
BCD ADD ADD(@) 30
BCD SUBTRACT SUB(@) 31
BCD MULTIPLY MUL(@) 32
BCD DIVIDE DIV(@) 33
BINARY ADD ADB(@) 50
BINARY SUBTRACT SBB(@) 51
BINARY MULTIPLY MLB(@) 52
BINARY DIVIDE DVB(@) 53
DOUBLE BCD ADD ADDL(@) 54
DOUBLE BCD SUBTRACT SUBL(@) 55
DOUBLE BCD MULTIPLY MULL(@) 56
DOUBLE BCD DIVIDE DIVL(@) 57
JDATA CONVERSION INSTRUCTIONS
Instruction Mnemonic Code
BCD TO BINARY BIN(@) 23
BINARY TO BCD BCD(@) 24
4 TO 16 DECODER MLPX(@) 76
16 TO 4 DECODER DMPX(@) 77
ASCII CODE CONVERT ASC(@) 86
2S COMPLEMENT (-V2 models only) NEG(@) ––
Data Comparison Instructions
Instruction Mnemonic Code
COMPARE CMP 20
DOUBLE COMPARE CMPL60
BLOCK COMPARE BCMP(@)68
TABLE COMPARE TCMP(@) 85
AREA RANGE COMPARE (-V2 models
only) ZCP ––
JDATA MOVEMENT INSTRUCTIONS
Instruction Mnemonic Code
MOVE MOV(@) 21
MOVE NOT MVN(@) 22
BLOCK TRANSFER XFER(@) 70
BLOCK SET BSET(@) 71
DATA EXCHANGE XCHG(@) 73
SINGLE WORD DISTRIBUTE DIST(@) 80
DATA COLLECT COLL(@) 81
MOVE BIT MOVB(@) 82
MOVE DIGIT MOVD(@) 83
Note: f: Instruction keys allocated to the Programming
Console.
(@): Instruction can be differentiated using input rise time
to execute the instruction in just one cycle.
––: Identifies an expansion instruction.
: Identifies an expansion instruction assigned a
default code.
SRM1 — OITIROFI
SRM1 SRM1
23
JLOGIC INSTRUCTIONS
Instruction Mnemonic Code
COMPLEMENT COM(@) 29
LOGICAL AND ANDW(@) 34
LOGICAL OR ORW(@) 35
EXCLUSIVE OR XORW(@) 36
EXCLUSIVE NOR XNRW(@) 37
JSHIFT INSTRUCTIONS
Instruction Mnemonic Code
SHIFT REGISTER SFT f/10
WORD SHIFT WSFT(@) 16
ASYNCHRONOUS SHIFT REGISTER ASFT(@)17
ARITHMETIC SHIFT LEFT ASL(@) 25
ARITHMETIC SHIFT RIGHT ASR(@) 26
ROTATE LEFT ROL(@) 27
ROTATE RIGHT ROR(@) 28
ONE DIGIT SHIFT LEFT SLD(@) 74
ONE DIGIT SHIFT RIGHT SRD(@) 75
REVERSIBLE SHIFT REGISTER SFTR(@) 84
JSPECIAL CALCULATION INSTRUCTION
Instruction Mnemonic Code
BIT COUNTER BCNT(@)67
JSUBROUTINE INSTRUCTIONS
Instruction Mnemonic Code
SUBROUTINE ENTER SBS(@) 91
SUBROUTINE ENTRY SBN 92
SUBROUTINE RETURN RET 93
MACRO MCRO 99
JINTERRUPT CONTROL INSTRUCTIONS
Instruction Mnemonic Code
INTERVAL TIMER STIM(@)69
INTERRUPT CONTROL INT(@)89
JPERIPHERAL DEVICE CONTROL
I/O Unit Instructions
Instruction Mnemonic Code
7-SEGMENT DECODER SDEC(@) 78
I/O REFRESH IORF(@) 97
Display Instruction
Instruction Mnemonic Code
MESSAGE MSG(@) 46
High-speed Counter Control Instructions
Instruction Mnemonic Code
MODE CONTROL INI(@)61
PV READ PRV(@)62
COMPARE TABLE LOAD CTBL(@)63
JDAMAGE DIAGNOSIS INSTRUCTIONS
Instruction Mnemonic Code
FAILURE ALARM FAL(@) 06
SEVERE FAILURE ALARM FALS 07
JSPECIAL SYSTEM INSTRUCTIONS
Instruction Mnemonic Code
SET CARRY STC(@) 40
CLEAR CARRY CLC(@) 41
JRS-232C INSTRUCTIONS
Instruction Mnemonic Code
RECEIVE RXD(@)47
TRANSMIT TXD(@)48
FCS CALCULATE FCS(@) ––
ASCII-TO-HEXADECIMAL HEX(@) ––
CHANGE RS-232C SETUP STUP(@) ––
JDATA CONTROL INSTRUCTIONS
Instruction Mnemonic Code
SCALE (-V2 models only) SCL(@)66
PID CONTROL (-V2 models only) PID ––
Note: f: Instruction keys allocated to the Programming
Console.
(@): Instruction can be differentiated using input rise time
to execute the instruction in just one cycle.
––: Identifies an expansion instruction.
: Identifies an expansion instruction assigned a
default code.
omRon
SRM1
SRM1
24
JINSTRUCTION SET SUMMARY
The following table lists the SRM1(-V2) instructions that have
fixed function codes. Each instruction is listed by mnemonic and
by instruction name. Use the numbers in the leftmost column as
the left digit and the number in the column heading as the right
digit of the function code.
The shaded areas are function codes to which expansion
instructions are allocated by default or to which the user can
allocate expansion instructions. The expansion instructions
shown at the bottom of the page can be substituted for the ones
with default function codes.
Left Right digit
digit 0 1 2 3 4 5 6 7 8 9
0NOP
No
operation
END
End IL
Interlock ILC
Interlock
clear
JMP
Jump JME
Jump end FAL(@)
Failure
alarm and
reset
FALS
Severe
failure
alarm
STEP
Step
define
SNXT
Step start
1SFT
Shift
register
KEEP
Keep CNTR
Revers-
ible
counter
DIFU
Differenti-
ate up
DIFD
Differenti-
ate down
TIMH
High-
speed
timer
WSFT(@)
Word shift ASFT(@)
Asynchro-
nous shift
register
--- ---
2CMP
Compare MOV(@)
Move MVN(@)
Move not BIN(@)
BCD to
binary
BCD(@)
Binary to
BCD
ASL(@)
Shift left ASR(@)
Shift right ROL(@)
Rotate left ROR(@)
Rotate
right
COM(@)
Comple-
ment
3ADD(@)
BCD add SUB(@)
BCD
subtract
MUL(@)
BCD
multiply
DIV(@)
BCD
divide
ANDW
(@)
Logical
AND
ORW(@)
Logical
OR
XORW
(@)
Exclusive
OR
XNRW
(@)
Exclusive
NOR
INC(@)
Increment DEC(@)
Decre-
ment
4STC(@)
Set carry CLC(@)
Clear
carry
--- --- --- --- MSG(@)
Message
display
RXD(@)
Receive TXD(@)
Transmit ---
5ADB(@)
Binary
add
SBB(@)
Binary
subtract
MLB(@)
Binary
multiply
DVB(@)
Binary
divide
ADDL(@)
Double
BCD add
SUBL(@)
Double
BCD
subtract
MULL(@)
Double
BCD
multiply
DIVL(@)
Double
BCD
divide
--- ---
6CMPL
Double
compare
INI(@)
Mode
control
PRV(@)
PV read CTBL(@)
Compare
table load
--- --- SCL(@)
Scaling
(See
Note)
BCNT(@)
Bit
counter
BCMP(@)
Block
compare
STIM(@)
Interval
timer
7XFER(@)
Block
transfer
BSET(@)
Block set --- XCHG(@)
Data
exchange
SLD(@)
One digit
shift left
SRD(@)
One digit
shift right
MLPX(@)
4-to-16
decoder
DMPX(@)
16-to-4
encoder
SDEC(@)
7-seg-
ment
decoder
---
8DIST(@)
Single
word
distribute
COLL(@)
Data
collect
MOVB(@)
Move bit MOVD(@)
Move digit SFTR(@)
Revers-
ible shift
register
TCMP(@)
Table
compare
ASC(@)
ASCII
convert
--- --- INT(@)
Interrupt
control
9 --- SBS(@)
Subrou-
tine
entry
SBN
Subrou-
tine
define
RET
Subrou-
tine
return
--- --- --- --- --- MCRO
(@)
Macro
JEXPANSION INSTRUCTIONS WITHOUT DEFAULT FUNCTION CODES
Mnemonic Name
FCS(@) FCS CALCULATE
HEX(@) ASCII-TO-HEXADECIMAL
NEG(@)* 2S COMPLEMENT
PID* PID CONTROL
STUP(@) CHANGE RS-232C SETUP
ZCP* AREA RANGE COMPARE
Note: *SCL(66), NEG(––), PID(––), and ZCP (––) are supported by the SRM1-C0j-V2 CPUs only.
SRM1 — OITIROFI OI'DROI'I
SRM1 SRM1
25
Cat. No. GC MSPLC1 03/01 Specifications subject to change without notice. Printed in U.S.A.
OMRON ELECTRONICS LLC
One East Commerce Drive
Schaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
1-800-55-OMRON
OMRON CANADA, INC.
885 Milner Avenue
Scarborough, Ontario M1B 5V8
416-286-6465
R

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