74
14.1.5 I/O Interface
Number Meaning Troubleshooting
401 "SYS_IO" output overloaded
402 "OK" output overloaded
403 "NIO" output overloaded
404 "READY" output overloaded
405 "OUT1" output overloaded
406 "OUT2" output overloaded
407 "OUT3" output overloaded
408 "OUT4" output overloaded
409 "SYS_IO" output used as input
410 "OK" output used as input
411 "NIO" output used as input
412 "READY" output used as input
413 "OUT1" output used as input
414 "OUT2" output used as input
415 "OUT3" output used as input
416 "OUT4" output used as input
417
Supply voltage of I/O interface beyond
22-26 V
418 Total current greater than 200 mA
Check the connections at the I/O interface.
419 Not used -
420 I²C bus not opened
421 Module not found
422 Read failed
423 Write failed
Check that the I/O interface is installed and
mounted tightly. If necessary, please contact the
DEPRAG Service Department.
Table 21: System errors regarding the I/O interface