Siemens simatic et 200s Operating Instructions Manual page 361

External Errors
Load Voltage 2L+ Missing
Causes:
Load voltage 2L+ not present or too low at
•
terminal 7
What to Do:
Check the wiring and correct the short circuit.
•
Acknowledge the error with the EXTF_ACK control
•
bit.
Short circuit of the sensor supply
Causes:
Short circuit of the encoder supply made available at
•
terminals 6 and 10
What to Do:
Check the wiring and correct the short circuit.
•
Acknowledge the error with the EXTF_ACK control
•
bit.
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
Response of the 1PosU
The current run is halted; it is not possible to start a new run.
•
– All 3 digital outputs are set to 0.
– Feedback bit POS_ERR = 1
– Feedback bit POS_DONE = 0
Feedback bit ERR_2L+ = 1
•
Generate channel-specific diagnostics
•
Waits for error acknowledgment EXTF_ACK
•
Response of the 1PosU
The current MODEs relative positioning and absolute
•
positioning are stopped; it is not possible to start a new run
in these MODEs.
– All 3 digital outputs are set to 0.
– Feedback bit POS_ERR = 1
– Feedback bit POS_DONE = 0
Feedback bit ERR_ENCODER=1
•
Feedback bit SYNC = 0
•
Generate channel-specific diagnostics
•
Waits for error acknowledgment EXTF_ACK
•
Inching MODE is not affected by this error.
•
The current JOB (reference signal evaluation) is canceled.
•
1PosUniversal/Digital
7.6 Functions of the 1PosU
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