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Table of contents
* Variant with impulse current measurement expected to be available from Q4 - 2021
7. Connection 24
7.1 Connection DRC SD 1 1 – Part No. 910 920 24
7.2 Connection DRC SD 2 1 – Part No. 910 921 25
7.3 Impulse current sensor DRC SD ICS (Part No. 910 935) * 26
7.4 Current sensors 27
8. Commissioning 28
8.1 Step 1 – Apply the voltage 28
8.2 Step 2 – Connection to the web server 28
8.3 Step 3 – Check 28
8.4 Step 4 – Configuration 29
9. Functionality 30
9.1 User interface 30
9.2 Block diagram 32
9.3 Measured values 33
9.4 Modbus 34
9.5 Communication via the network 35
10. Device settings 36
10.1 Device settings expert mode 36
10.2 General 36
10.3 LED indicator 36
10.4 Digital inputs, digital outputs and logic 37
10.5 Network 41
10.6 Power frequency overvoltages according to EN 50550 - POP 43
10.7 Current measurement 45
10.8 Mains signalling voltages 47
10.9 Factory reset 47
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