Siemens SIMATIC S7-1200 Reference Manual

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Modifications and blocks S7-300 S7-400 S7-1200
V4.0 or
higher
S7-1500 S7-1200
V1.0 - 2.1
S7-1200
V2.2 - V3.0
OB with modified properties
(e.g. cycle time change)
STOP RUN STOP RUN STOP STOP
Deleted OB
RUN RUN STOP RUN STOP STOP
New FB/FC/DB/PLC data type (UDT)
RUN RUN RUN RUN STOP RUN
Deleted FB/FC/DB/PLC data type
(UDT)
RUN RUN RUN RUN STOP RUN
Revised FB/FC: Code modification,
modification of comments
RUN RUN RUN RUN STOP RUN
Revised FB/FC: Interface change
STOP STOP RUN (Init) RUN (Init) STOP STOP
Modified DB (no memory reserve
configured): Name/type of tags
modified, tags added or deleted
RUN (Init) RUN (Init) RUN (Init) RUN (Init) STOP STOP
Modified DB (memory reserve
configured): New tags added
-- -- RUN RUN -- --
Modified PLC data type
(UDT)
STOP STOP RUN (Init) RUN (Init) STOP STOP
Modified PLC tags (added, deleted,
name or data type changed)
RUN RUN RUN RUN STOP STOP
Modified retentivity settings (bit
memory address area, DB area)
STOP
All objects
retentive
STOP STOP STOP STOP

Siemens SIMATIC S7-1200 Specifications

General

CPU Type	CPU 1211C, CPU 1212C, CPU 1214C, CPU 1215C, CPU 1217C
Communication	PROFINET
Analog Inputs	2
Analog Outputs	2
Power Supply	24V DC
Expansion Modules	Signal Modules (SM), Communication Modules (CM)
Programming Languages	LAD, FBD, SCL
Dimensions	90 mm x 100 mm x 75 mm
Program Memory	50 KB to 150 KB (depending on model)