Pilz PSSu E F 4DI - Manual (Page 28)

Operation
Operating Manual PSSu E F 4DI(­T)(­R)
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7 Operation
7.1 Messages
A module error is displayed via the "Err" LED (see section entitled "Display elements"), sig­
nalled to the head module and then entered in the head module's
} Error stack, with PSSu in system environment A
} Diagnostic log, with PSSu in system environment B.
The module can detect the following errors:
Module error Explanation Remedy
Start­up error Error as the PSSu system starts
up Change faulty module.
Configuration error Incorrect module type configured. The configured hardware registry
does not match the actual hard­
ware registry.
FS communication error Error during FS communication Change faulty module.
Bus termination error There is no terminating plate or
there is a bad contact with the
module bus. Install a terminating plate with in­
tegrated end bracket or insert the
base modules together correctly.
Temperature error: too warm Ambient temperature too high:
Error stack entry/diagnostic log
entry Ensure there is sufficient ventila­
tion in the control cabinet or pre­
vent overload.
Error in the feedback loop FS input detects an error in the
feedback loop or FS input is de­
fective. Check FS input, check the config­
uration of the feedback loop,
check the signals, or check the
wiring and contacts.
Input error Error during the cyclical input test.
Possible cause: Input defective. Change faulty module.
Test pulse error Possible causes: Short circuit
between a test pulse and a supply
voltage, or a defective module. Rectify the short circuit or change
the faulty module.