janitza UMG 804 User Manual

www.janitza.com 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)

janitza UMG 804 Specifications

General

Brand	janitza
Model	UMG 804
Category	Measuring Instruments
Language	English