Connection
Master/Slave Operation — 24.09.2015 English — 7
4.1 Connecting the RS-485 with the Control Basic controller
Danger – electric shock!
• Risk of serious injury or death due to electric shock. Some parts of the device's circuit board may still carry 230 V
voltage even with the device physically isolated from the power supply.
– Before you remove the covers, completely isolate the device controller from the power supply.
– Verify that the main circuit board is voltage-free.
Circuit board of the Control Basic controller.
000248_001_R001
12
ON
2
1
1 DIP switches 1 and 2 2 Connection terminals for RS-485 connection
Proceed as follows:
1. Open the housing cover of the Control Basic controller.
2. Use a screened cable to connect the RS-485 interface to the main circuit board.
• Slot 7, terminals 29, 30, 31.
3. Connect the cable screen at one side.
• At terminal 22.
4. Activate the terminators on the main circuit board.
• Use DIP switch 1.
Note!
Activate the terminator when the device is at the beginning or the end of an RS-485 network.
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