Siemens SINUMERIK 840DE User Manual page 53

03.06
Only NCU 573.3/4/5
Link module interface
with link module
Connector name:
Connector type:
Maximum cable length:
Table 4-7
Signal names
XRS_LINK, RS_LINK
XRS_CLKCY; RS_CLKCY
DGND
VP
Signal type
B
O
VO
I
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Pin assignment of plug X112 at the link module
Pin Name
1 Not assigned
2 Not assigned
3 RS_LINK
4 Not assigned
5 DGND
Bidirectional
Output
Voltage Output
Input
4 Description of the NCU
4.3 NCU module interfaces
None
9-pole sub D socket connector
100 m
X112
Type Pin Name
6 VP
7 Not assigned
B 8 XRS_LINK
9 Not assigned
VO
Differential RS485 data – LINK
Differential RS485 data –
CLKCY
Signal Ground, isolated
+5 V, isolated
Type
VO
B
4-51