Connection Of The Interface; Terminating Resistor Of The Rs422/485 Serial Interface - JUMO IPC 300 Operating Manual

1.6

Connection of the interface

1.7

Terminating resistor of the RS422/485 serial interface

To ensure problem-free operation of several devices in a line structure, their internal terminating resistors
must be activated at the beginning and end.
1. Disconnect the device from the supply voltage
2. Open the housing
Bus terminating resistor active
Press all 4 switches up.
No bus termination (default setting)
Press all 4 switches down.
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