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Siemens SIMATIC S7-1200 Руководство
1.3
S7-1200 modules
Table 1- 3
Type of module
The CPU supports one plug-in expansion
board:
•
•
•
Signal modules (SMs) add additional func-
tionality to the CPU. SMs connect to the
right side of the CPU.
•
•
•
•
Communication modules (CMs) and
communications processors (CPs) add
communication options to the CPU, such
as for PROFIBUS or RS232/RS485 con-
nectivity (for PtP, Modbus or USS), or the
AS-i master.
A CP provides capabilities for other types
of communication, such as connecting to
the CPU over a GPRS, IEC, DNP3, or
WDC network.
•
Easy Book
Manual, 01/2015, A5E02486774-AG
S7-1200 expansion modules
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.
A battery board (BB) allows you to
provide long term backup of the
realtime clock.
Digital I/O
Analog I/O
RTD and thermocouple
SM 1278 IO-Link Master
The CPU supports up to three CMs or
CPs
Introducing the powerful and flexible S7-1200
Description
①
Status LEDs on the SB
②
Removable user wiring connector
①
Status LEDs
②
Bus connector slide tab
③
Removable user wiring connector
1.3 S7-1200 modules
19