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Solar-Log 2000 Connection Manual

Solar-Log 2000
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21
Janitza UMG 104 (Utility Meter)
Janitza UMG 104
Cable connection via RS485:
1. Connect the wires as shown in the following diagram:
Solar-Log™ terminal strip connector Utility meter terminal strip
Terminal PIN
1
22 (A)
4
23 (B)
2. Insert the terminal block connector into the Solar-Log™ RS485 socket.
•
The RS485 bus must be terminated.
Install a 120 Ohm, 0.25 W resistor between pin 22 and 23 of the Utility Meter to terminate.
•
Configuring the Utility Meter from the display
Setting MODBUS Address (PRG 200 = 1)
Setting Baud rate RS485 (PRG 202 = 2)
Setting Mode (PRG 203 = 0)
Setting Current converter primary (PRG 000)
Setting Current converter secondary (PRG 001)
Setting Voltage converter primary (PRG 002)
Setting Voltage converter secondary (PRG 003)
Refer to the accompanying manual of the device for the UMG 104 configuration procedure.
Note
The parameter settings need to be adjusted before device detection.
If the parameters differ, the Utility Meter will not be detected by the Solar-Log™.
•
Perform an inverter detection
See the installation manual, Chapter "Performing inverter detections."
•
Configure the Utility-Meter under Configuration | Devices | Configuration, select the correspond-
ing Operating mode and click on Save.
Check
•
Does the Utility Meter display a positive value for inverters feeding power, the current output
(kW)?
If this is not the case, the current measurements are incorrectly connected.
If necessary, switch the polarity of measuring inputs.
Note
When replacing the polarity, the cable must not be energized, since the converter can be de-
stroyed otherwise.

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Solar-Log 2000 Specifications

General IconGeneral
Device TypeData Logger
Max Inverters100
Power Supply24 V DC
Remote MonitoringYes
Ethernet interfaceYes
Communication InterfacesRS485, Ethernet
ProtocolsModbus
Data StorageInternal

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