Specifications

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A-15
A LAUER driver
Status indicators The PCS 830.3/31 features a 7-segment „ST.x“ display which informs
about the state of the channel.
The following display states are currently possible:
„0“ programmable controller is set to „STOP“, i.e. the PCS 830.3/31 waits
for the „RUN“ signal and/or for the outputs to be enabled. This display
is simultaneously shown for all three channels.
„1“ The corresponding channel waits for the complete reception of the
cross-reference list. This channel was not parameterized correctly,
or the address (6-segment DIL) was incorrectly set, or the first three
words of the cross-reference data block have been incorrectly set if
this display does not extinguish.
„2“ (flashing). The corresponding channel is set to the DIAG diagnosis
function. The cross-reference list was correctly received. This function
is only possible along with the CL300 and CL500 and the examples
contained on the floppy disk.
„7“ TIMEOUT fault - time infringement of the corresponding channel.
Interruption of the communication between the PCS 830.3/31 and
the PCS operating console. Possible fault conditions:
PCS operating console: „TIMEOUT“
Cause: Cable break or the handling block has not been processed
for sometimes.
Remedy: Check the cabling and select the handling block cyclically.
Extend the timeout time of the operating console if possible. PCS
operating console: „CONNECT(ION)“ or „TOO MANY
REPETITIONS“.
Cause: The operating console has received multiple times wrong
data (following another).
Remedy: Checking the noise suppression measures and increase
the WDHA if possible.
„8“ CONNECT fault, i.e. the corresponding channel of the PCS 830.3
has received multiple times wrong data (following another) (the PCS
operating console shows „TIMEOUT“). In this case, noise
suppression measures are to be explored and/or to be improved if
necessary!
„9“ WATCHDOG fault, i.e. either the PCS 830.3/31 board is located in a
very noisy environment, or it is defective (communication cannot be
restarted). If at all, this display appears for all channels simultaneously.
„-“ The corresponding channel has either sent or received a repeat
request. With a reparabel fault, the „-“ extinguishes subsequently
again. If the fault was not reparabel, a „7“ (TIMEOUT) or „8“
(CONNECT) is subse-quently displayed. Constant flickering of this
segment informs about a very noisy environment.