S7-1200 Modules - Siemens SIMATIC S7-1200 Manual
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- System manual (1614 pages) ,
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Introducing the powerful and flexible S7-1200
1.3 S7-1200 modules
1.3
S7-1200 modules
Table 1- 6
S7-1200 expansion modules
Type of module
The CPU supports one plug-in
expansion board:
A signal board (SB) provides
additional I/O for your CPU.
The SB connects on the front of
the CPU.
A communication board (CB)
allows you to add another
communication port to your
CPU.
Signal modules (SMs) add
additional functionality to the CPU.
SMs connect to the right side of the
CPU.
Digital I/O
Analog I/O
RTD and thermocouple
Communication modules (CMs)
and communications processors
(CPs) add communication options
to the CPU, such as for
PROFIBUS or RS232 / RS485
connectivity (for PtP, Modbus or
USS), or the AS-i master. A CP
provides capabilities for other types
of communication, such as to
connect the CPU over a GPRS
network.
The CPU supports up to 3 CMs
or CPs
Each CM or CP connects to the
left side of the CPU (or to the
left side of another CM or CP)
18
Description
①
Status LEDs on
the SB
②
Removable user
wiring connector
①
Status LEDs
②
Bus connector
③
Removable user
wiring connector
①
Status LEDs
②
Communication
connector
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Manual, 11/2011, A5E02486774-04
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