1.1 System Configuration - Siemens SINUMERIK 840DE User Manual

1 System Overview

1.1 System configuration

Connection
The NCU can communicate with the peripheral components via numerous inter-
configuration faces. These are shown in Fig. 1-2 with their connections to the NCU and ex-
plained in more detail in Table 1-1:
MPI bus
for PCU / MCP (see Fig. 1-3)
2x sensor
SIMODRIVE
2x handwheel
components
4x digit. input
4x digit. output
SIMATIC
S7-300
X2
: Optional
*) MPI cable or MPI PG cable
Fig. 1-2 SINUMERIK 840D system overview
1-12
NCU
– –
X101 X102
PROFIBUS DP I/Os
Reserved for service
–
X112
–
X122
Cable
distribut
or
Memory card
(PCMCIA)
Mini-
handheld unit
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
or
*)
PG / PC, e.g. Field PG
IN OUT
X20 X21
NCU terminal block
X1
X2
Distribution
box
Ä Ä
or
Handheld unit Handheld terminal
Type B-MPI
© Siemens AG, 2006. All rights reserved
03.06
X4
X3
HT 6