Fig.4-4: Connection diagram latch input (SOURCE configuration)
4.3 Encoder interface
The module is connected to the encoder via a 9-pole DSUB socket of the
module.
The encoder inputs can be operated in 2 operating modes:
● 5 V differential,
● 24 V single ended.
The configuration is carried out by software.
Information
If only one encoder is used, it must be connected to the upper interface
(INC0).
Mode: 5 V differential
The specifications from the system manual on the topic Interfaces
RS-485/422 are to be observed.
Mode: 24 V single-ended
● Wiring can be unshielded.
● Lines of an encoder input not to be laid out in separately.
● The grounding conductors (collar of shield of DSUB socket or Pin 1 of
DSUB socket) must be laid out together with other lines, routed to the re-
spective encoder and used as reference voltage of the encoder signal
there.
MM 240/A
Connections and wiring
© KEBA 2010
Project engineering manual V1.08 15
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