Specifications are subject to change without notice UDM35 DS ENG 090112 1
Multi-input modular instrument 3 1/2 DGT LED
0.1% RDG basic accuracy
TRMS AC current and voltage measurements
AC/DC current measurements: selectable full scales
(200µA to 5A)
AC/DC voltage measurements: selectable full scales
(200mV to 500V)
°C or °F temperature measurements
(Pt100-250-500-1000, Ni100, TC J-K-S-T-E)
Resistance measurements: selectable full scales
(20to 20k)
Dual rate, speed, frequency and period measurement
(0.001Hz to 50kHz)
Up to 4 independent alarm set-points (optional)
20mA/10VDC analog output (optional)
Serial port RS485 or RS232 (optional)
MODBUS, JBUS communication protocol
Product Description
µp-based digital panel
meter, 3 1/2 DGT LED indi-
cator, for current, voltage,
temperature, resistance,
rate, frequency, speed and
period measurements. Mea-
suring ranges and functions
easily programmable from
the key-pad or from the PC
by means of optional Udm-
Soft software. UDM35
includes storage min-max
functions and double level
protection password.
Housing for panel mounting
with front protection degree:
IP67, NEMA12, NEMA4x
"Indoor use only".
Digital Panel Meters
Modular Indicator and Controller
Type UDM35
Type Selection
Slot A (measuring inputs)
LSX:
signal inputs:
0.2-2-20mA DC/AC;
0.2-2-20V DC/AC
LSE/
LSF: signal inputs: + AUX:
0.2-2-20mA DC/AC;
0.2-2-20V DC/AC
HSX: signal inputs:
0.2-2-5A DC/AC;
20-200-500V DC/AC
TRX: signal inputs: TC tem-
perature probes (J-K-
S-T-E, Pt100-250-500-
1000) and resistance
(0.02-0.2-2-20k)
TF1: 0.001Hz to 50kHz for
DC signals: PNP
,
NPN, NAMUR, TTL,
free of voltage, con-
tacts, voltages up to
14VDC
TF2: 0.001Hz to 50kHz for
AC signals: pick-up,
voltages up to
500VAC
Slot B (communication)
XX:
None
SX: Serial port RS485
SY: Serial port RS232
AV(*):
Single analogue output,
0to 20mA DC and
0to 10V DC
Slot C (communication and alarm)
XX:
None
R1:
Single relay output,
(AC1-8AAC, 250VAC)
R2
:Dual relay output,
(AC1-8AAC, 250VAC)
R4
:Dual relay output,
(AC1-
8AAC, 250VAC)
+ dual
open collector output
(NPN, 100mA)
R5
:4 relay outputs
(AC1-5AAC, 250VAC)
AV(*):
Single analogue output,
0to 20mA DC and
0to 10V DC
Slot D (power supply)
H: 90 to 260V AC/DC
L:
18
to
60V
AC/DC
(24 to 48V AC/DC ±
25% according to UL)
3:
10
to
28V
DC
(12 to 24V DC ± 15%
according to UL)
Options
XX: None
TX: Tropicalization
Model
Slot A
Slot B
Slot C
Slot D
Options
How to order
UDM35 XXX XX XX X XX
Front protection degree: IP67, NEMA12, NEMA4x
"Indoor use only"
Linearization of Hz inputs up to 16 points
How to order
UdmSoft-kit
UdmSoft-kit: softwareplus communication cable for pro-
gramming UDM35 by means of PC.
UdmSoft: softwarefor programming UDM35/40/60 by
means of PC, downloadable from www.carlogavazzi.com.
(*): The two analogue
outputs cannot be
used at the same
time. It is possible to
plug in only one
module by instru-
ment.
2Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
Analogue inputs Channels and variable
BQ LSX module 1, mA and V DC/AC
BQ LSE/LSF module 1, mA and V DC/AC + AUX
BQ HSX module
1,
Aand V DC/AC
BQ TRX module 1, temperature
BQTRX module 1, resistance
BQTF1 module 2, frequency
BQTF2 module 2, frequency
Type of input
NPN (DC) Signal level: ON < 2VDC,
OFF open collector (leak-
age current <=1mA).
PNP (DC) Signal level: ON >10VDC,
OFF open collector (leak-
age current <=1mA).
NAMUR (DC) Signal level: ON <=
1mADC, OFF >= 2.2
mADC.
TTL (DC) Signal level: ON >4VDC,
OFF<=2VDC.
Free of voltage contact(DC) Input load: ON <1kohm,
OFF >20kohm.
Voltage (AC) up to 100VAC Signal level: ON > 2VAC
(5.65 Vpp).
Voltage (AC) up to 500VAC Signal level: ON > 9VAC
(25.4 Vpp).
Digital inputs
Incl. in the measuring module
Number of inputs 1 (voltage-free)
Use key-pad lock
Display hold
Reset of latch alarms
Contact reading signal
BQ xxx: <0.1mA, <3,5V DC
BQ LSE/BQ LSF: <2.5mA,
<14V DC
BQTF1: <6mA, <7VDC
BQTF2: <0.25mA, <3VDC
Close contact resistance Max 1k
Open contact resistance Min 500k(BQTFx: 100k)
Insulation Non-insulated
Accuracy
(display, RS485) See table “Measuring
accuracy”, temperaturedrifts
and minimum-maximum
indications”
Additional errors
Humidity
0.3%
RDG (BQTFx: 0.05%)
,
60%
to
90% R.H.
Input frequency 0.4% RDG,62
to
440 Hz
Magnetic field 0.5% RDG (BQTFx: 0.05%)
@400 A/m
Temperature drift
See table “Measurement
accuracy, temperature drifts,
and max/min indications”
Sampling rate 500 samples/s @ 50 Hz
(escl. BQTFx)
Display refresh time 200 msec @ 50Hz
(escl. BQTFx)
Display BQxxx: 3 1/2 DGT,
BQTFx: 4 DGT
7segments
height 14.2 mm
Max and min indication
See table “Measurement
accuracy, temperature drifts
and max min indications”
Measurements Current, voltage, tempera-
ture, resistance and frequen-
cy. For the current and volt-
age measurements: TRMS
measurement of distorted
sine waves.
Coupling type Direct
Crest factor 3; APmax=1.7In; VPmax=1.7Un
Input impedance See table “input
impedances and overloads”
Frequency 40 to 440 Hz
Overload See table “input
impedances and overloads”
Compensation Only temperature
measurement module.
RTD - For Pt 100-250-500-1000,
3-wireconnection: up to 10
-For resistance measur. with
20range: up to max 0.1
-For resistance measurements
with 200range: up to max 10
TC Internal cold junction, within
temperature range from
0to +50°C.
Automatic or manual com-
pensation from 0 to 50°C.
Input specifications
Measurement accuracy, temp. drifts, max and min indications
All accuracies and min/max indications are referred to an ambient temp. range of 25°C ±5°C, rel. humidity 60% and scale ratio (electri-
cal/displayed scale) equal to 1. The conversion into °F is obtained acting on the electrical/displayed scale ratio.
*<45Hz >65Hz= ±(0.5%RDG+3DGT) 0% to 25% FS; ±(0.5%RDG+2DGT) 25% to 110% FS.
(<)The min. indication for TRMS measurement (AC or DC) is 0; it is possible to modify the decimal point position.
Module Inputs Type Accuracy Temp. drift Min. indication (<) Max. indicat. (<)
BQ LSX/
BQ LSE/
BQ LSF
-200µA to +200µA
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
DC/AC
DC: ±(0.1%RDG+3DGT)
0% to 25% FS;
±(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (da 45 a 65Hz)*:
±(0.3%RDG+3DGT)
0% to 25% FS;
±(0.3%RDG+2DGT)
25% to 110% FS.
±150 ppm/°C
-199.9
-1.999
-19.99
-199.9
-1.999
-19.99
+199.9
+1.999
+19.99
+199.9
+1.999
+19.99
CARLO GAVAZZI (.
Specifications are subject to change without notice UDM35 DS ENG 090112 3
UDM35
Module Inputs Type Accuracy Temp. drift Min. indication (<) Max. indicat. (<)
BQ HSX
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
DC/AC
DC: ±(0.1%RDG+3DGT)
0%to 25% FS;
±(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (45 to 65Hz)*:
±(0.3%RDG+3DGT)
0% to 25% FS;
±(0.3%RDG+2DGT)
25% to 110% FS.
±150 ppm/°C
-199.9
-1.999
-5.00
-19.99
-199.9
-500
+199.9
+1.999
+5.00
+19.99
+199.9
+500
BQ TRX
Thermo-
couple
-50°C to +760°C
-58 °F to +1400 °F
-200°C to +1260°C
-328 °F to +2300°F
-200°C to +1000°C
-328°F to +1832°F
-50°C to +1750°C
-58°F to +3182°F
-200°Cto +400°C
-328°F to +752°F
J
J
K
K
E
E
S
S
T
T
±(0.2%RDG+1DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±150 ppm/°C
-50°C
-58°F
-200°C
-328°F
-200°C
-328°F
-50°C
-58°F
-200°C
-328°F
+760°C
+1400°F
+1260°C
+2300°F
+1000°C
+1832°F
+1750°C
+3182°F
+400°C
+752°F
Measurement accuracy, temp. drifts, max and min indications (cont.)
All accuracies and min/max indications are referred to an ambient temp. range of 25°C ±5°C, rel. humidity 60% and scale ratio (electri-
cal/displayed scale) equal to 1. The conversion into °F is obtained acting on the electrical/displayed scale ratio.
*<45Hz >65Hz= ±(0.5%RDG+3DGT) 0% to 25% FS; ±(0.5%RDG+2DGT) 25% to 110% FS.
(<)The min. indication for TRMS measurement (AC or DC) is 0; it is possible to modify the decimal point position.
(<)It is possible to modify the decimal point position.
(*) The min indication is -9.99999, ..., -999999 in case of “rotation speed detection” function
Module Inputs Type Accuracy Temp. drift Min. indication Max. indicat.
BQ TRX
Ther-
moresis-
tance
-200°C to +850°C
-328°F to +1562°F
-200.0°C to +200.0°C
-328°F to+392°F
-200.0°C to +200.0°C
-328°Fto +392°F
-200.0°C to +200.0°C
-328°F to +392°F
-200.0°C to +200.0°C
-328°F to +392°F
-60°Cto +180°C
-76°F to +356°F
Pt100
Pt100
Pt100
Pt100
Pt250
Pt250
Pt500
Pt500
Pt1000
Pt1000
Ni100
Ni100
±(0.2%RDG +2DGT)
±(0.2%RDG +4DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +5DGT)
±(0.5%RDG +1DGT)
±(0.5%RDG +2DGT)
±150 ppm/°C
-200
-328
-200.0
-328.0
-200.0
-328.0
-200.0
-328.0
-200.0
-328.0
-60
-76
+850
+1562
+ 200.0
+392.0
+ 200.0
+392.0
+ 200.0
+392.0
+ 200.0
+392.0
+180
+356
BQ TRX
Resis-
tance
0to 20
0to 200
0to 2000
0to 20.00k
±(0.2%RDG+2DGT)
25% to 110% FS
±(0.2%RDG+3DGT)
0% to 25% FS
±150 ppm/°C
0
0
0
0
19.99 (<)
199.9 (<)
1999 (<)
19.99 (<)
BQ TF1
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage con-
tact (DC)
0.001% RDG
±3 digit ± 50 ppm/°C
0.000 (*)
00.00 (*)
000.0 (*)
0000 (*)
9.999
99.99
999.9
9999
BQ TF2
Pick-up (AC)
Voltage (AC) up to
100VAC
Voltage (AC) up to
500VAC
0.001% RDG
±3 digit ± 50 ppm/°C
0.000 (*)
00.00 (*)
000.0 (*)
0000 (*)
9.999
99.99
999.9
9999
CARLO GAVAZZI 100V 1A
4Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
Input impedances and overloads
(*) Maximum measuring current generated for resistance equal to 0
Module Inputs Type Impedance Overload (continuous) Overloads (1s)
BQ LSX/
BQ LSE/
BQLSF
-200µA to +200µA
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
2,2k
22
22
2,2k
200k
200k
5mA
50mA
50mA
10V
50V
50V
10mA
150mA
150mA
20V
100V
100V
BQ HSX
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
1
0.012
0.012
2M
2M
2M
0.8A
7.5A
7.5A
750V
750V
750V
1A
100A
100A
1000V
1000V
1000V
BQ TRX
Thermo-
couple
-50°C to +760°C
-58 °F to +1400 °F
-200°C to +1260°C
-328 °F to +2300°F
-200°C to +1000°C
-328°F to +1832°F
-50°Cto +1750°C
-58°F to +3182°F
-200°Cto +400°C
-328°F to +752°F
J
J
K
K
E
E
S
S
T
T
ILK <0.5µA Max 5V Max 10V
BQ TRX
Thermo-
resistance
-200°C to +850°C
-328°F to +1562°F
-200.0°C to +200,0°C
-328°F to +392°F
-200.0°C to +200,0°C
-328°F to +392°F
-60°Cto +180°C
-76°Fto +356°F
Pt100
Pt100
Pt250/Pt100
Pt250/Pt100
Pt1000/Pt500
Pt1000/Pt500
Ni100
Ni100
800µA (*)
800µA (*)
90µA(*)
90µA (*)
800µA (*)
800µA (*)
800µA(*)
800µA(*)
Max 5V Max 10V
BQ TRX
Resistance
0to 20
0to 200
0to 2000
0 to 20.00k
800µA (*)
90µA (*)
800µA (*)
90µA(*)
Max 5V Max 10V
BQ TF1
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage contact
(DC)
600
600
600
600
15 VAC/DC
15 VAC/DC
15 VAC/DC
15 VAC/DC
15 VAC/DC
20 VAC/DC
20 VAC/DC
20 VAC/DC
20 VAC/DC
20 VAC/DC
BQ TF2
Pick-up (AC)
Voltage (AC) up to
100VAC
Voltage (AC) up to
500VAC
220 k
950 k
120 VAC/DC
600 VAC/DC
200 VAC/DC
600 VAC/DC
Specifications are subject to change without notice UDM35 DS ENG 090112 5
UDM35
RS422/RS485 (on request)
Module: BR SX
Serial output Bidirectional (static and
dynamic variables).
LED Display of data
reception/transmission
Connections Multidrop, 2 or 4 wires,
Distance 1000 m
Terminalization Directly on the module
by means of jumper
Addresses 1 to 247, selectable
by means of key-pad
Protocol MODBUS RTU/JBUS
Data (bidirectional)
Dynamic (reading only) Measurement, min value
max value
alarm status
Static (reading/writing)
All programming parameters,
min max reset
reset of latch alarm
Data format 8 data bit, no parity,
1stop bit
Baud rate selectable 4800, 9600,19200
and 38400 bit/s
Insulation By means of opto-couplers
4000 Vrms output to
measuring inputs
4000 Vrms output to
power supply input
RS232 (on request)
Module: BR SY
Serial output Bidirectional (static and
dynamic variables)
Connections 3wires,
Distance max. 15m
Data format 1 start bit, 8 data bit,
no parity,1stop bit
Baud rate Selectable 4800, 9600,
19200 and 38400 bit/s
Other features Same as RS422/485
Alarm outputs (on request)
Alarm type
Over-range alarm,
up alarm,
down alarm,
down alarm with
start-up deactivation
up alarm with latch,
down alarm with latch
Alarm set-point Adjustable from 0 to 100%
of displayed electric range
Hysteresis
0to 100% of displayed range
On-time delay 0 to 255 s
Off-time delay 0 to 255 s
Output status Selectable: normally energized
/de-energized
Min response time 500 ms, with filter excluded,
without alarm activation delay
Output channels 1 with module BO R1
(relay output).
2, independent with module
BO R2 (2 relay outputs). 4,independent with module
BOR4 (2 relay outputs +
2open collector outputs).
BO R5 (4 relay outputs)
Relay output BO R1, R2, R4 Type SPST
AC 1: 8A, 250VAC
DC 12: 5A, 24VDC
AC 15: 2.5A, 250VAC
DC 13: 2.5A, 24VDC
Relay output BO R5 Type SPST (NO)
AC 1: 5A, 250VAC
DC 12: 3A, 24VDC
AC 15: 1,5A, 250VAC
DC 13: 1,5A, 24VDC
Insulation 4000 VRMS output to
measuring input,
4000 VRMS output to
power supply input.
Open collector output NPN transistor type
VON1.2 VDC/ max. 100 mA
VOFF 30 VDC max.
Insulation
By means of opto-couplers
4000 VRMS output to
measuring input
4000 VRMS output to
power supply input
Analogue output (on request)
Module: BO AV
Range 0 to 20 mADC, 0 to 10 VDC
Scaling factor Programmable within the
entire retransmission range;
allows to manage the
retransmission of all the
values from
0to 20 mA / 0 to 10V
Accuracy ± 0.2% FS (@ 25°C ± 5°C)
Response time 10 ms
Termperaturedrift ±200 ppm/°C
Load: 20 mA output 700
10 V output 10 k
Insulation By means of opto-couplers
4000Vrms output to
measuring input
4000Vrms output to
power supply input
Notes: The two outputs cannot be
used at the same time.
Excitation output (on request)
BQ LSE Module
Voltage 13 VDC ±10%, max. 50 mA
BQ LSF Module
Voltage 25 VDC ±10%, max. 25 mA
BQTF1 Module
Voltage 1 8.2VDC ±10%, max 10mA.
Voltage 2 13VDC ±10%, max 40mA.
Insulation 25VRMS output to
measuring input
4000 VRMS output to
power supply input
Output specifications
6Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
Input engineering unit BQTFx only: programmable
among Hz, kHz, rpm, krpm,
rph, krph
Diagnostics The display flashes when the
limits of the display range
are exceeded and the data
are updated up to 20%
of the rated display range.
Burn-out: Only temperature inputs
TC Opening of probe’s
connection: EEE indication
RTD Opening of probe’s
connection: EEE indication
probe’s short circuit:
-EEE indication.
BQTFx Exceeding of frequency
range: Err indication
Digital filter
Filter operating range 0 to 9999
Filtering coefficient 1 to 32
Display selection 31/2 DGT or 3 DGT plus
dummy zero (BQTFx excluded)
4DGT on BQTFx
Scaling Selection of min value
of the input range.
Selection of max value of
the input range.
Selection of decimal point
position.
Selection of min
display value.
Selection of max display
value.
UdmSoft Softwarefor programming
UDM35 by means of PC
(Windows 95, 98se, ME, XP)
by means of serial port
RS485 and relevant
connection cable.
The software is available in
English, Spanish, Italian,
German and French. See
also “Programming of
UDM35 by means of PC”.
Min / Max storage Automatic storage
(in the EEPROM) of the
minimum and maximum
measured value from the
previous memory reset
Password Numeric code max 4 dgt
2levels of data protection.
1st level
0to 4999 completly protected.
2nd level 5000 to 9999 access to
programming is protected .
Alarm set-points are directly
programmable from the
measuring mode.
Measurement selection Depending on the module:
measuring range and type of
probe (resistance, RTD
thermoresistance, TC
thermocouple) or measuring
type (TRMS or DC).
Function (only BQTFx) Displayed functions of
channel A and B:
F1: scaled value of channel A;
F2: 1/A;
F3: A-B;
F4: (A-B)/B*100;
F5: A/B;
F6: B/(A+B)+100;
F7: rotation sensing.
Integration time selection Automatic or from 100.0 to
999.9 ms only in the current
and voltage measurement.
(BQTFx excluded)
Scaling factors
Operating mode Electrical scale compression,
displayed scale
compression/expansion
(max. 2 without filter, up to
10 with filter)
Electrical range Programmable within the
whole measuring range
Decimal point position Programmable within the
display range
Displayed range of the variable Programmable within the
display range
Pulse per revolution BQTFx only: programmable
from 1 to 9999
Software functions
AC/DC voltage 90 to 260V (standard)
18 to 60V (on request)
(24 to 48V AC/DC ± 25%
according to UL)
DC voltage only 10 to 28V (on request)
(12 to 24V DC ± 15%
according to UL)
Energy consumption 30VA/12W (90 to 260V)
20VA/12W (18 to 60V)
7.5W (10 to 28V)
Supply Specifications
CAR”) GAVAzz:
Specifications are subject to change without notice UDM35 DS ENG 090112 7
UDM35
Safety Standards
Safety EN 61010-1, IEC 61010-1
Connections Screw type
Cable cross-section area Max. 2.5 mm2;
Min./Max. screws tightening
torque: 0.4 Nm / 0.6 Nm
Housing
Dimensions 1/8 DIN, 48 x 96 x 105 mm
Material PC-ABS,
self-extinguishing: UL 94 V-0
Protection degree Front: IP67, NEMA12,
NEMA4x "Indoor use only"
Connections: IP20
Weight 520 g approx (included all
modules and packing)
Approvals CE, cCSA UL e cRU US
Operating 0° to 50°C (32° to 122°F)
temperature (H.R. < 90% non-condensing)
Storage -10° to 60°C (14° to 140°F)
temperature (H.R. < 90% non-condensing)
Insulation reference 300 VRMS to ground
voltage (500V input)
Insulation
See table “Insulation between
inputs and outputs”
Dielectric strength 4000 VRMS for 1 minute
Rejection
NMRR 40 dB, 40 to 60 Hz
CMRR 100 dB, 40 to 60 Hz
EMC EN61000-6-2, IEC61000-6-2
EN61000-6-3, IEC61000-6-3
General Specifications
Insulation between inputs and outputsExcitation output
Meas.
inputs
Relay
output
Static
output
Analogue
output
Serial
Port
AUX
p.supply
90-260VAC/
DC p. supply
1
8-60VAC/
DC p.supply
Meas.
inputs - 4kV 4kV 4kV 4kV 25V 4kV 4kV
Relay
Output 4kV - 2kV 4kV 4kV 4kV 4kV 4kV
Static
Output 4kV 2kV - 4kV 4kV 4kV 4kV 4kV
Analogue
Output 4kV 4kV 4kV - 4kV 4kV 4kV 4kV
Serial
Port 4kV 4kV 4kV 4kV - 4kV 4kV 4kV
AUX
p.supply 25V 4kV 4kV 4kV 4kV - 4kV 4kV
90-260VAC/
DC p..supply
4kV 4kV 4kV 4kV 4kV 4kV - -
18-60VAC/
DC p. supply
4kV 4kV 4kV 4kV 4kV 4kV - -
Continuous TF1 (8.2V)
BQ LSF
BQ LSE
BQ TF1
BQ TF1
(8.2V)
Max 30s TF1 (8.2V)
Continuous TF1 Max
30s
TF1
Max 30s
LSF/LSE
Continuous LSF/LSE
TF1
Not
allowed
CARLO GAVAZZI UDMSS mam unII DC/AC mpu|1200yA‘ 2mA‘ 20mA‘ ZOOmA, 2V‘ 20V DC/AC mpul:200/,1A‘ 2mA‘ 20mA‘ ZOOmA, 2V‘ 20V + excitamon ou‘pm DC/AC mpul: ZOOmA, 2A, 5A, ZOV‘ 200V. 500V Inpulz 200. 2000, 2K}, 20k!) TC: J-K-S-T-E, PI100-250-500- 1 000
8Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
Available modules Possible module combinations
Only for TRMS Measurements
Instantaneous effective
voltage (TRMS)
å
×=
n
i
V
n
V
1
2
11 )(
1
å
×=
n
i
A
n
A
1
2
11 )(
1
Used calculation formulas
Instantaneous effective
current (TRMS)
(*) Up to 1 module max.
Basic Unit Slot A Slot B Slot C Slot D
Measuring inputs: LSX, LSE,
LSF, HSX, TRX, TF1, TF2
RS485 Serial port: SX
RS232 Serial port: SY
Analogue output: AV (*)
Relay outputs and/or open
collector:
R1, R2, R4, R5
Power supply: H, L, 3
Type
N.of
channels Ordering code
UDM35 main unit BD 35
DC/AC input: 200µA , 2mA, 20mA,
200mA, 2V, 20V 1 BQ LSX
DC/AC input: 200µA , 2mA, 20mA,
200mA, 2V, 20V + excitation output 1BQ LSE/
BQ LSF
DC/AC input: 200mA, 2A, 5A,
20V, 200V, 500V 1 BQ HSX
Input: 20Ω, 200Ω, 2kΩ, 20kΩ 1 BQ TRX
TC: J-K-S-T-E, Pt100-250-500-
1000 1 BQ TRX
Pulse signals input: 0.001Hz to
50kHz for DC signals 2 BQ TF1
Pulse signals input: 0.001Hz to
50kHz for AC signals 2 BQ TF2
Analogue output 0 to 20mA, 0 to
10VDC
1 BO AV
Relay output 1 BO R1
Relay output 2 BO R2
Outputs: 2 relays + 2 open collec-
tors 4 BO R4
Relay output 4 BO R5
RS485 Serial Port 1 BR SX
RS232 Serial Port 1 BR SY
Power supply 18 to 60V AC/DC BP L
Power supply 90 to 260V AC/DC BP H
Power supply 10 to 28V DC BP 3
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Specifications are subject to change without notice UDM35 DS ENG 090112 9
UDM35
Wiring diagrams
Process signal wiring diagrams
Current measurements
4-wire connection to probe
Fig. 5
Current measurements Voltage measurements
Fig. 1 Fig. 2
BQ LSE/LSF
BQ LSX/LSE/LSF BQ LSX/LSE/LSF
Voltage measurements
4-wire connection to probe
Fig. 3
BQ LSE/LSF
Voltage measurements
3-wire connection to probe
Fig. 4
BQ LSE/LSF
Current measurements
3-wire connection to probe
Fig. 6
BQ LSE/LSF
Probe power supply
-
+Vdc
Probe Signal output
+
-
-
+Vdc
+
-
+Vdc
-
+
-
+Vdc
+
Probe
Probe
Probe
Probe
Current measurements
2-wire connection to probe
Fig. 7
BQ LSE/LSF
+Vdc
+
Probe
Voltage measurements
Fig. 9
BQ HSX
Current measurements
Fig. 8
BQ HSX
Wirings for high-level signals
-
˜
+
˜
-
˜
+
˜
-
˜
+
˜-
˜
+
˜
Probe power supply Probe Signal output
Probe power supply Probe Signal output
Probe power supply Probe Signal output
Probe power supply Probe Signal output
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10 Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
Temp. measur. from thermoresistance
Temp. measur. from thermocouple Resistance measurements
Fig. 10 Fig. 11 Fig. 12
Wiring diagrams for temperature measurements
BQ TRX BQ TRX BQ TRX
Wiring diagrams (cont.)
NPN/PNP
Fig. 17
ENCODER NPN/PNP NAMUR
Fig. 13 Fig. 14
BQ TF1
BQ TF1 BQ TF1
NPN and contact
Fig.15
BQ TF1
PNP and contact
Fig. 16
BQ TF1
TTL
Fig. 18
BQ TF1
Wiring diagrams for frequency measurements
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Specifications are subject to change without notice UDM35 DS ENG 090112 11
UDM35
Auxiliary command
Fig. 19
BQ TF1
Wiring diagrams (cont.)
Max 500VAC
max 100VAC
Auxiliary command
Fig. 20 Fig. 21
Fig. 22
BQ TF2 BQ TF2
BQ TF2 BP H: power supply BP L: power supply
F1= 630mA T
250V 5x20mm F1= 3.15A T
250V 5x20mm
Wiring diagrams for power supply
Wiring diagrams of optional modules
BO R1: 1 relay output BO R2: 2 relay outputs
BO AV: analogue output
(10V, 20mA DC)
BO R5: 4 relay outputs
BP 3: power supply
F1= 3.15A T
250V 5x20mm
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12 Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
BO R4: dual relay output + dual open collector output: the load resistances (Rc) must be designed so that the close
contact current is lower than 100mA; the VDC voltage must be lower than or equal to 30VDC.
VDC: power supply output
Vo+: positive output (open collector transistor).
GND: ground (open collector transistor).
BR SX: RS485 4-wireconnection: additional devices provided with RS485 port (indicated as RS1,2,3...N) areconnected
in parallel. The termination of the serial port is carried out only on the last instrument of the network. The serial module is
provided with a jumper for the termination of the RS485 network as shown in the figureabove.
Note: particular types of cables or plants may requirean external termination. For the network connections use twisted
cable type AWG26.
RS1,2,3...N
NON terminalized network
Terminalized network
Wiring diagrams of optional modules (cont.)
Vcc
UDM35 is programmable by PC by means of the UdmSoft software (available on
request). The user can program all parameters of UDM35 that will be subse-
quently uploaded and set in the instrument by the RS485 network (BRSX).
Should UDM35 be without the RS485 serial module, all programming parameters
will be uploaded and set in the instrument by the RS232 auxiliary serial connec-
tion (1) located on the side of the measuring input module using the special con-
nection cable (2) available on request, as shown in the figures on the left. It is
also possible to program the instrument using the dot connector (1) by means of
the HyperTerminal Windows functions of a PC.
Note: the RS232 auxiliary port IS NOT insulated from the measuring inputs.
Programming UDM35 by means of PC
1
2
To UDM
To PC
1m
BO SY: RS232 direct
connection to PC by
means of COM port.
RS232 has no termi-
nalization.
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Specifications are subject to change without notice UDM35 DS ENG 090112 13
UDM35
:
-to program values;
-to select functions;
- to scroll display pages.
:for special functions.
2. Display
Instantaneous measurements:
-31/2 digit (max display 1999).
-4digit (max display 9999) for tachometer measurements.
Alphanumeric indications by means of LED display for:
-Display of configuration parameters;
-The measured variable.
3. Alarm status LED
Display any alarm condition
4. Engineering unit
The instrument is supplied with a complete set of
self-sticking labels with the main engineering units.
Dimensions
Front panel description
2
1. Key-pad
The programming of the configuration parameters and the
display may be easily controlled by means of the 4 function
keys. :to enter the programming phase and to confirm the
password.
14
Engineering Units
Panel depth: 8mm.
105mm
11mm
48mm
96mm
92mm -0,3/+0,8
45mm -0,3/+0,6
3
CARLO GAVAZZI
14 Specifications aresubject to change without notice UDM35 DS ENG 090112
UDM35
BP L
Power supply:
18 to 60V AC/DC
BO R4
Dual relay output +
Dual open collector
BO R2
Dual relay output
BO AV
Single analogue
output 10V, 20mA DC
BQ LSX, BQ LSE, BQ
LSF, BQ HSX, BQ TRX,
BQ TF1, BQ TF2
Measuring inputs
Input modules
Serial port modules
BR SX
RS485 Serial port
BP H
Power supply:
60 to 260V AC/DC
Modules
BO R1
Single relay output
Output modules
Scale 1:1
Power supply modules
Output modules
BO R5
4relay outputs
BR SY
RS232 Serial port BP 3
Power supply:
10 to 28V DC

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