Siemens SINUMERIK 840DE

03.06
4.3 NCU module interfaces
4-49
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Operator panel front interface (MPI)
Connector name: X101
Connector type: 9-pole sub D socket connector
Maximum cable length: 200 m
Special features: Isolation (safe isolation)
Table 4-4 Pin assignments on connector X101
X101
Pin Name Type Pin Name Type
1 Not assigned 6 2P5 VO
2 Not assigned 7 Not assigned
3 RS_OPI B 8 XRS_OPI B
4 RTSAS_BTSS O 9 RTSPG_BTSS I
5 2M VO
Signal names
XRS_BTSS, RS_BTSS differential RS485 data – BTSS
RTSAS_BTSS Request to Send AS – BTSS
RTSPG_BTSS Request to Send PG – BTSS
2M Signal Ground, isolated
2P5 + 5 V, isolated
P24ext, M24ext 24 V supply voltage
Signal type
B Bidirectional
O Output
VO Voltage Output
I Input
PROFIBUS DP interface
Connector name: X102
Connector type: 9-pole sub D socket connector
Maximum cable length: 200 m
Special features: Isolation (safe isolation)
1.5 MBaud
Table 4-5 X102 pin assignments
X102
Pin Name Type Pin Name Type
1 Not assigned 6 VP VO
2 M24ext *) VO 7 P24ext *) VO
3 RS_PROFIBUSDP B 8 XRS_PROFIBUSDP B
4 RTSAS_PROFIBUSDP O 9 RTSPG_PROFIBUSDP I
5 DGND VO
*) 24 V only present if 24 V is fed to X121 (cable distributor).
X101
X102
4 Descri
p
tion of the NCU