Siemens ET 200pro Operating Instructions Manual page 234

Small, extremely rugged and high-performance i/o system with ip65/66/67 degree of protection

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Alarm, error and system messages

9.3 LED display on the power, electronic and pneumatic interface modules

LED display for electronic modules with connection module CM IO 8 x M12, CM IO 8 x M12P,

CM IO 8 x M12D, and CM IO 8 x M8

The figure below shows the position and layout of the LED display on the CM IO 8 x M12,

CM IO 8 x M12P, CM IO 8 x M12D and CM IO 8 x M8 connection modules.

GE: Group error (red LED)

Status indicator of digital electronic modules (green LEDs)

Status error/channel fault indicator for digital High Feature electronic modules

(green/red LEDs)

ET 200pro distributed I/O system

Operating Instructions, 03/2013, A5E00335544-08

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