Siemens SINUMERIK 840DE User Manual page 48

4 Description of the NCU
4.3 NCU module interfaces
Interfaces,
For component assignments, see Section 4.1
Operator Controls
and Displays
Fig. 4-4
4-46
–X101
–X102
–X112
–X122
f +5V f PR
f NF f PS
f f
CF PF
f f
CB PFO
−
f f
CP
RESET NMI
Front plate type 1
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Operator panel front interface
PROFIBUS DP interface
Reserved for service
SIMATIC interface
PG-MPI interface
I/O interface
(cable distributor)
Various error and status LEDs
(H1/H2)
7-segment display (H3)
NMI button (S2)
RESET button (S1)
NCK start-up switch
PLC start-up switch
SIMODRIVE 611D interface
Reserved
Device bus interface
PCMCIA slot (X173)
© Siemens AG, 2006. All rights reserved
03.06