34
UMG 96RM-PN
RS485 interface
On the UMG 96RM-PN, the RS485 interface is designed
as a 2-pin plug contact, which communicates via the
Modbus RTU protocol (see also Programming parameters).
Correct
Incorrect
Termination resistors
The cable is terminated with resistors (120Ohm, 1/4W) at
the beginning and at the end of a segment.
The UMG 96RM-PN does not contain any termination
resistors.
Terminal strip in the cabinet.
Device with RS485 interface.
(without termination resistor)
Device with RS485 interface.
(with termination resistor on the device)
RS485 interface,
2 pin plug contact
RS485 interface,
2-pin plug contact with
termination resistor
(item no. 52.00.008)
A
B
120
Ω
RS485 bus
A
B
RS485 bus
Summary of Contents for UMG 96 RM-PN
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