Digital Panel Meters
Modular Indicator and Controller
Type UDM35
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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
(20Ω to 20kΩ)
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
• Front protection degree: IP67, NEMA12, NEMA4x
"Indoor use only"
• Linearization of Hz inputs up to 16 points
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.
UDM
35
includes storage min-max
functions and double level
protection
password.
Housing for panel mounting
with front protection degree:
IP67, NEMA12, NEMA4x
"Indoor use only".
How to order
Model
Slot A
Slot B
Slot C
Slot D
Options
UDM35 XXX XX XX X XX
How to order
UdmSoft-kit
UdmSoft-kit:
software plus communication cable for pro-
gramming UDM35 by means of PC.
UdmSoft:
software for programming UDM35/40/60 by
means of PC, downloadable from www.carlogavazzi.com.
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
(0.02-0.2-2-20kΩ)
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:
SX:
SY:
AV(*):
None
Serial port RS485
Serial port RS232
Single analogue output,
0 to 20mA DC and
0 to 10V DC
Slot C (communication and alarm)
None
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,
0 to 20mA DC and
0 to 10V DC
XX:
R1:
Slot D (power supply)
H:
L:
3:
90 to 260V AC/DC
18 to 60V AC/DC
(24 to 48V AC/DC ±
25% according to UL)
10 to 28V DC
(12 to 24V DC ± 15%
according to UL)
(*):
The two analogue
outputs cannot be
used at the same
time. It is possible to
plug in only one
module by instru-
ment.
Options
XX:
TX:
None
Tropicalization
Specifications are subject to change without notice UDM35 DS ENG 090112
1
UDM35
Input specifications
Analogue inputs
BQ LSX module
BQ LSE/LSF module
BQ HSX module
BQ TRX module
BQ TRX module
BQTF1 module
BQTF2 module
Type of input
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage contact(DC)
Voltage (AC) up to 100VAC
Voltage (AC) up to 500VAC
Digital inputs
Number of inputs
Use
Contact reading signal
Channels and variable
1, mA and V DC/AC
1, mA and V DC/AC + AUX
1, A and V DC/AC
1, temperature
1, resistance
2, frequency
2, frequency
Signal level: ON < 2VDC,
OFF open collector (leak-
age current <=1mA).
Signal level: ON >10VDC,
OFF open collector (leak-
age current <=1mA).
Signal level: ON <=
1mADC, OFF >= 2.2
mADC.
Signal level: ON >4VDC,
OFF<=2VDC.
Input load: ON <1kohm,
OFF >20kohm.
Signal level: ON > 2VAC
(5.65 Vpp).
Signal level: ON > 9VAC
(25.4 Vpp).
Incl. in the measuring module
1 (voltage-free)
key-pad lock
Display hold
Reset of latch alarms
BQ xxx: <0.1mA, <3,5V DC
BQ LSE/BQ LSF: <2.5mA,
<14V DC
BQTF1: <6mA, <7VDC
BQTF2: <0.25mA, <3VDC
Max 1kΩ
Min 500kΩ(BQTFx: 100kΩ)
Non-insulated
See table “Measuring
accuracy”, temperature drifts
and minimum-maximum
indications”
0.3% RDG (BQTFx: 0.05%),
60% to 90% R.H.
0.4% RDG, 62 to 440 Hz
Magnetic field
Temperature drift
0.5% RDG (BQTFx: 0.05%)
@ 400 A/m
See table “Measurement
accuracy, temperature drifts,
and max/min indications”
500 samples/s @ 50 Hz
(escl. BQTFx)
200 msec @ 50Hz
(escl. BQTFx)
BQxxx: 3 1/2 DGT,
BQTFx: 4 DGT
7 segments
height 14.2 mm
See table “Measurement
accuracy, temperature drifts
and max min indications”
Current, voltage, tempera-
ture, resistance and frequen-
cy. For the current and volt-
age measurements: TRMS
measurement of distorted
sine waves.
Direct
≤3;
A
Pmax
=1.7In; V
Pmax
=1.7Un
See table “input
impedances and overloads”
40 to 440 Hz
See table “input
impedances and overloads”
Only temperature
measurement module.
- For Pt 100-250-500-1000,
3-wire connection: up to 10Ω
- For resistance measur. with
20Ω range: up to max 0.1Ω
- For resistance measurements
with
≥200Ωrange:
up to max 10Ω
Internal cold junction, within
temperature range from
0 to +50°C.
Automatic or manual com-
pensation from 0 to 50°C.
Sampling rate
Display refresh time
Display
Max and min indication
Measurements
Coupling type
Crest factor
Input impedance
Frequency
Overload
Compensation
RTD
Close contact resistance
Open contact resistance
Insulation
Accuracy
(display, RS485)
TC
Additional errors
Humidity
Input frequency
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.
Module
Inputs
Type
Accuracy
Temp. drift
Min. indication ( )
- 199.9
- 1.999
- 19.99
- 199.9
- 1.999
- 19.99
Max. indicat. ( )
+ 199.9
+ 1.999
+ 19.99
+ 199.9
+ 1.999
+ 19.99
DC: ±(0.1%RDG+3DGT)
0% to 25% FS;
-200µA to +200µA
±(0.1%RDG+2DGT)
-2mA to +2mA
25% to 110% FS.
-20mA to +20mA
DC/AC TRMS (da 45 a 65Hz)*:
-200mV to +200mV
±(0.3%RDG+3DGT)
-2V to +2V
0% to 25% FS;
-20V to +20V
±(0.3%RDG+2DGT)
25% to 110% FS.
BQ LSX/
BQ LSE/
BQ LSF
±150 ppm/°C
*
( )
<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.
Specifications are subject to change without notice UDM35 DS ENG 090112
2
UDM35
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.
Module
Inputs
Type
Accuracy
Temp. drift
Min. indication ( )
Max. indicat. ( )
BQ HSX
DC: ±(0.1%RDG+3DGT)
0% to 25% FS;
-200mA to +200mA
±(0.1%RDG+2DGT)
-2A to +2A
25% to 110% FS.
-5A to +5A
DC/AC TRMS (45 to 65Hz)*:
-20V to +20V
±(0.3%RDG+3DGT)
-200V to +200V
0% to 25% FS;
-500V to +500V
±(0.3%RDG+2DGT)
25% to 110% FS.
-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°C to +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
- 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
±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
*
( )
<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.
Inputs
-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
-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°C to +180°C
-76°F to +356°F
0 to 20Ω
0 to 200Ω
0 to 2000Ω
0 to 20.00kΩ
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage con-
tact (DC)
Pick-up (AC)
Voltage (AC) up to
100VAC
Voltage (AC) up to
500VAC
Type
Pt100
Pt100
Pt100
Pt100
Pt250
Pt250
Pt500
Pt500
Pt1000
Pt1000
Ni100
Ni100
Accuracy
±(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)
±(0.2%RDG+2DGT)
25% to 110% FS
±(0.2%RDG+3DGT)
0% to 25% FS
Temp. drift
Min. indication
- 200
- 328
- 200.0
- 328.0
- 200.0
- 328.0
- 200.0
- 328.0
- 200.0
- 328.0
- 60
- 76
0
0
0
0
0.000
(*)
00.00
(*)
000.0
(*)
0000
(*)
Max. indicat.
+ 850
+ 1562
+ 200.0
+ 392.0
+ 200.0
+ 392.0
+ 200.0
+ 392.0
+ 200.0
+ 392.0
+ 180
+ 356
19.99
(
199.9
(
1999
(
19.99
(
9.999
99.99
999.9
9999
)
)
)
)
Module
BQ TRX
Ther-
moresis-
tance
±150 ppm/°C
BQ TRX
Resis-
tance
±150 ppm/°C
BQ TF1
0.001% RDG
±3 digit
± 50 ppm/°C
BQ TF2
0.001% RDG
±3 digit
± 50 ppm/°C
0.000
(*)
00.00
(*)
000.0
(*)
0000
(*)
9.999
99.99
999.9
9999
( )
It is possible to modify the decimal point position.
(*)
The min indication is -9.99999, ..., -999999 in case of “rotation speed detection” function
Specifications are subject to change without notice UDM35 DS ENG 090112
3
UDM35
Input impedances and overloads
Module
Inputs
-200µA to +200µA
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
-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°C to +400°C
-328°F to +752°F
-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°C to +180°C
-76°F to +356°F
0 to 20Ω
0 to 200Ω
0 to 2000Ω
0 to 20.00kΩ
NPN (DC)
PNP (DC)
NAMUR (DC)
TTL (DC)
Free of voltage contact
(DC)
Pick-up (AC)
Voltage (AC) up to
100VAC
Voltage (AC) up to
500VAC
Type
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
DC/AC
J
J
K
K
E
E
S
S
T
T
Pt100
Pt100
Pt250/Pt100
Pt250/Pt100
Pt1000/Pt500
Pt1000/Pt500
Ni100
Ni100
Impedance
≤2,2kΩ
≤22Ω
≤22Ω
≥2,2kΩ
≥200kΩ
≥200kΩ
≤1Ω
≤0.012Ω
≤0.012Ω
≥2MΩ
≥2MΩ
≥2MΩ
Overload (continuous)
5mA
50mA
50mA
10V
50V
50V
0.8A
7.5A
7.5A
750V
750V
750V
Overloads (1s)
10mA
150mA
150mA
20V
100V
100V
1A
100A
100A
1000V
1000V
1000V
BQ LSX/
BQ LSE/
BQ LSF
BQ HSX
BQ TRX
Thermo-
couple
I
LK
<0.5µA
Max 5V
Max 10V
BQ TRX
Thermo-
resistance
800µA (*)
800µA (*)
90µA (*)
90µA (*)
800µA (*)
800µA (*)
800µA (*)
800µA (*)
800µA (*)
90µA (*)
800µA (*)
90µA (*)
600
Ω
600
Ω
600
Ω
600
Ω
Max 5V
Max 10V
BQ TRX
Resistance
Max 5V
Max 10V
BQ TF1
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
220 kΩ
950 kΩ
120 VAC/DC
600 VAC/DC
200 VAC/DC
600 VAC/DC
(*)
Maximum measuring current generated for resistance equal to 0
4
Specifications are subject to change without notice UDM35 DS ENG 090112
UDM35
Output specifications
RS422/RS485
Serial output
LED
Connections
Distance
Terminalization
Addresses
Protocol
Data (bidirectional)
Dynamic (reading only)
Static (reading/writing)
Data format
Baud rate
Insulation
(on request)
Module: BR SX
Bidirectional (static and
dynamic variables).
Display of data
reception/transmission
Multidrop, 2 or 4 wires,
1000 m
Directly on the module
by means of jumper
1 to 247, selectable
by means of key-pad
MODBUS RTU/JBUS
Measurement, min value
max value
alarm status
All programming parameters,
min max reset
reset of latch alarm
8 data bit, no parity,
1 stop bit
selectable 4800, 9600,19200
and 38400 bit/s
By means of opto-couplers
4000 V output to
measuring inputs
4000 V output to
power supply input
(on request)
Module: BR SY
Bidirectional (static and
dynamic variables)
3 wires,
max. 15m
1 start bit, 8 data bit,
no parity, 1 stop bit
Selectable 4800, 9600,
19200 and 38400 bit/s
Same as RS422/485
(on request)
Over-range alarm,
up alarm,
down alarm,
down alarm with
start-up deactivation
up alarm with latch,
down alarm with latch
Adjustable from 0 to 100%
of displayed electric range
0 to 100% of displayed range
0 to 255 s
0 to 255 s
Selectable: normally energized
/de-energized
500 ms, with filter excluded,
without alarm activation delay
1 with module BO R1
(relay output).
2, independent with module
rms
rms
BO R2 (2 relay outputs).
4, independent with module
BO R4 (2 relay outputs +
2 open collector outputs).
BO R5 (4 relay outputs)
Type SPST
AC 1: 8A, 250VAC
DC 12: 5A, 24VDC
AC 15: 2.5A, 250VAC
DC 13: 2.5A, 24VDC
Type SPST (NO)
AC 1: 5A, 250VAC
DC 12: 3A, 24VDC
AC 15: 1,5A, 250VAC
DC 13: 1,5A, 24VDC
4000 V
RMS
output to
measuring input,
4000 V
RMS
output to
power supply input.
NPN transistor type
V
ON
1.2 VDC/ max. 100 mA
V
OFF
30 VDC max.
By means of opto-couplers
4000 V
RMS
output to
measuring input
4000 V
RMS
output to
power supply input
(on request)
Module: BO AV
0 to 20 mADC, 0 to 10 VDC
Programmable within the
entire retransmission range;
allows to manage the
retransmission of all the
values from
0 to 20 mA / 0 to 10V
± 0.2% FS (@ 25°C ± 5°C)
≤
10 ms
± 200 ppm/°C
≤
700
Ω
≥
10 kΩ
By means of opto-couplers
4000V output to
measuring input
4000V output to
power supply input
The two outputs cannot be
used at the same time.
(on request)
rms
rms
Relay output BO R1, R2, R4
Relay output BO R5
Insulation
Open collector output
Insulation
Analogue output
Range
Scaling factor
RS232
Serial output
Connections
Distance
Data format
Baud rate
Other features
Alarm outputs
Alarm type
Accuracy
Response time
Termperature drift
Load: 20 mA output
10 V output
Insulation
Notes:
Excitation output
BQ LSE Module
Voltage
BQ LSF Module
Voltage
BQTF1 Module
Voltage 1
Voltage 2
Insulation
Alarm set-point
Hysteresis
On-time delay
Off-time delay
Output status
Min response time
Output channels
13 VDC ±10%, max. 50 mA
25 VDC ±10%, max. 25 mA
8.2VDC ±10%, max 10mA.
13VDC ±10%, max 40mA.
25V output to
measuring input
4000 V output to
power supply input
RMS
RMS
Specifications are subject to change without notice UDM35 DS ENG 090112
5
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