Plc Installation; General Remarks - Siemens SINUMERIK 840C Installation Instructions Manual

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PLC Installation

3.1

General remarks

PLC CPU versions Three different PLC CPU versions can be used in the SINUMERIK 840C:
S
S
S
Connection of the
programming device
Fig. 3.1
Note Only PG 7 ... programming devices may be used with the SINUMERIK 840C for
programming and servicing the PLC.
Siemens AG 2001 All Rights Reserved 6FC5197–jAA50
SINUMERIK 840C (IA)
PLC CPU 135 WB2 with interface PLC and EPROM submodules for the ope-
rating system and the user program (the operating system and the user pro-
gram are loaded from EPROM into RAM, up to software version 2 only)
PLC CPU 135 WB2 with interface PLC and RESTART EPROM submodule
(as from software version 3, the operating system and the user program are
loaded from hard disk into RAM)
PLC CPU 135 WD without interface PLC (as from software version 3, the ope-
rating system and the user program are loaded from hard disk into RAM)
Link to X111 inter-
face which is al-
ways active
Interface PLC
or PLC 135 WD
PG function via
MMC
Cable 6FC9 340–8W
link X151
Cable 6FC9 340–4R
PG 7 ...
(S5 PLC)
(COM1 RS 232 C/
MODEM)
3 PLC Installation
3.1 General remarks
3-1