Siemens Welding System ST PCS 7 User Manual

 

Siemens ST PCS 7 · November 2007

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The terminal modules SIMATIC PCS 7 MTA (Marshaled Termina-

tion Assemblies) enable simple, fast and reliable connection of 

field devices, sensors and actuators to the I/O modules of the 

ET 200M remote I/O stations. They can be used to significantly 

reduce the costs and required work for cabling and commission-

ing, and prevent wiring errors.
The individual SIMATIC PCS 7 MTAs are each tailored to specific 

I/O modules from the ET 200M range (see design for assignment 

table). MTA versions are available for standard I/O modules as 

well as for redundant and safety-related I/O modules. 
The SIMATIC PCS 7 MTAs are connected to the I/O modules us-

ing 3 m or 8 m long preassembled cables.

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Design
• SIMATIC PCS 7 MTA in versions for standard, redundant and 

safety-related I/O modules of the ET 200M distributed I/O sys-

tem

• Redundant 24 V DC supply
• 3 or 8 m long preassembled cables for connecting SIMATIC 

PCS 7 MTA and ET 200M module, in each case with: 

- 50/25-pole Sub-D socket or 25-pole Sub-D connector, for 

connection to SIMATIC PCS 7 MTA

- 40/20-pole Siemens front connector, female version, for con-

nection to ET 200M module

• Screw terminals for the 1:1 connection of field devices, sen-

sors and actuators

• Fuse assembly with LED for each input/output channel
• Test and release as SIMATIC PCS 7 system component with 

corresponding approvals (FM, UL, CE, ATEX, TÜV) 

Preassembled
cable with
front connector

© Siemens AG 2007