03.06
4.3 NCU module interfaces
4-53
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Signal type
O Output
VO Voltage Output
I Input
VI Voltage Input
PG-MPI interface
Connector name: X122
Connector type: 9-pole sub D socket connector
Maximum cable length: 200 m
Special features: Non-isolated (no safe isolation)
Table 4-9 X122 pin assignments
X122
Pin Name Type Pin Name Type
1 Not assigned 6 P5 VO
2 M24EXT *) VO 7 P24EXT *) VO
3 RS_KP B 8 XRS_KP B
4 RTSAS_KP O 9 RTSPG_KP I
5 G VO
*) 24 V only present if 24 V is fed to X121 (cable distributor).
Signal names
RS_KP, XRS_KP Differential RS485 data – C bus from PLC
RTSAS_KP Request to Send AS – C bus from PLC
RTSPG_KP Request to Send PG – C bus from PLC
M Ground
P5 5 V
Signal type
B Bidirectional
O Output
VO Voltage Output
I Input
SIMODRIVE 611D interface
Connector name: X130A
Connector type: 2x36-pole Micro Ribbon
Maximum cable length: 10 m
Special features: Non-isolated (no safe isolation)
X122
X130A
4 Descri
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