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© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
PLC Commissioning
6.1 General
6.1.1 Compatibility
The PLC integrated on the MCI board of the SINUMERIK 840Di sl is compatible
with the SIMATIC S7 PLC: AS317–2 DP.
6.1.2 Performance data
The PLC of the SINUMERIK 840Di sl has the following features:
Table 6-1 Performance data of the PLC
PLC317–2DP (6FC5 317–2AJ10–0AB0)
Memory for PLC basic program and user program 768 KB
Data block memory Max. 256 KB
Memory submodule No
Bit memories 32768
Timers 512
Meters 512
Clock memories 8
Program and data blocks
OB 1, 10, 20–21, 32–35, 40,
55–57, 80, 82, 85–87, 100,
121–122
FB 0–2048
FC 0–2048
DB 1–2048
Max. length of data block 32 KB
Max. block length FC, FB 64 KB
Inputs/outputs (addressing capacity)
Notice
The inputs/outputs above 4096 are reserved for integrated
drives.
Digital/analog 4096/4096 bytes
Incl. reserved area 8192/8192 bytes
Process image 256/256 bytes
Inputs/outputs (addressing)
Row 0 is integrated in the NC. Rows 1 to 3 are available for
I/O devices
Through optional configur-
ing of I/O devices
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