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UMG 804
15
RS485 interface
x-wire connection
Protocol
MODBUS-RTU
Transmission rate
9600, 19200, 38400, 57600, 115200 Baud
Termination resistor
120 Ω (consult manual on master device)
Note:
dual Ethernet ports to allow for connection of multiple devices without the requirement of switch.
REST protocols is supported.
Ethernet interface
Connection
10/100
Function
Supports Modbus output as well as direct polling of
HTML web pages from onboard server
Protocols
Modbus TCP/IP, BACnet IP
AC Split Core Current Transformers
Specifications
Voltage outputs @ 0.333 V
Frequency 50 Hz - 400 Hz
Operating temperature -40 °C to 70 °C (-40 °F to 158 °F)
Storage temperature -45 °C to 85 °C (-49 °F to 185 °F)
UL certified
Modul
Art. no.
Input Cur-
rent
Ø
mm (in)
Cable lenght
m (in)
Accuracy
class
Usable for
Interface
CT-SC-010-50-JZ
15.03.170
50 A
10 (0.394)
0.25 (9.84)
0.5*
Floating
CT-SC-010-50
15.03.133
50 A
10 (0.394)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-010-75-JZ
15.03.130
75 A
10 (0.394)
0.25 (9.84)
0.5*
Floating
CT-SC-010-75
15.03.134
75 A
10 (0.394)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-012-100-JZ 15.03.131
100 A
12 (0.472)
0.25 (9.84)
0.5*
Floating
CT-SC-012-100
15.03.172
100 A
12 (0.472)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-024-100
15.03.135
100 A
24 (0.945)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-024-200
15.03.136
200 A
24 (0.945)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-024-250
15.03.137
250 A
24 (0.945)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-036-400
15.03.138
400 A
36 (1.420)
2,0 (78.74)
0.5*
DIN-Rail
CT-SC-036-600
15.03.139
600 A
36 (1.420)
2,0 (78.74)
0.5*
DIN-Rail
* in combination with the UMG 804 and the DIN Rail CT Interface Floating Board / DIN Rail CT Interface Card
Further information can be found in the separate data sheet for the current transformers.
Accuracy
Measurement uncertainty on the device applies when using the following metering ranges. The measured
value must be within the specified limits. The measurement uncertainty is not specified outside of these limits.
Power/Energy
- DIN Rail CT Interface Floating Board
- DIN Rail CT Interface Card
IEC 61557-12 Class 0.5; IEC 62053-22 Class 0.5S
Current transformers
- CT-SC-010
- CT-SC-012
- CT-SC-024
- CT-SC-036
IEC 61869-10 Class 0.5*
Voltage
± 0.5 % of reading 90 to 277 VAC line-to-neutral
Current
Subject to external CT accuracy
Minimum ON Current
50 mA
Circuit capacity
24 x 4 channels (96 circuits total)
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