Siemens Welding System ST PCS 7 用户手册

ET 200M distributed I/O

Siemens ST PCS 7 · November 2007

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The FM 350-1 counter module is a single-channel intelligent 

counter module for simple counting tasks, suitable for the direct 

connection of incremental encoders. It provides a comparison 

function with 2 preselectable reference values, as well as inte-

grated digital outputs for outputting a reaction upon reaching the 

reference value.
The FM 350-2 counter module is an eight-channel intelligent 

counter module for universal counting and measuring tasks, as 

well as for simple positioning jobs (max. 4 axes).

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Order No.

Counting functions up to 500 kHz 

1 channel for the connection of 

5 V and 24 V incremental encod-

ers
Required front connector: 

1 x 20-pin
incl. configuration package on 

CD-ROM

8 channels with max. 20 kHz 

counting frequency; for 24 V 

encoders, for the following tasks: 

counting, frequency measure-

ment, speed measurement, 

period measurement, dosing
Required front connector: 

1 x 40-pin
incl. configuration package on 

CD-ROM

© Siemens AG 2007