HeMaTech 3925-0050 - Signal Exchange with Machine Control

Trouble Shooting Chart Signal Exchange with Machine Control
EN 3925-0060 V207-00 MANUAL R03.doc
HeMaTech Prüftechnik
114
Signal Exchange with Machine Control
Signal description via parallel interface (machine control)
Automatic
Signal from the machine control (PLC)
Ready for operation
Signal to machine control (PLC)
Machine ready
Signal from the machine control (PLC)
Program number
Signal from the machine control (PLC)
Ready for test
Signal to machine control (PLC)
Test result
Signal to machine control (PLC)
Start (measurement)
Signal from the machine control (PLC)
Abort
Signal from the machine control (PLC)
Fault
Signal to machine control (PLC)
Measuring device busy (optional)
Signal to machine control (PLC)
Automatic must be a permanent signal, which is already applied when switching on
the test device.
Ready for operation is submitted by the test device after switching on.
Machine ready is applied after the signal Automatic and Ready for operation and re-
moved when applying the signal Start. Together with the signal "machine ready" the
applied program number is read in.
Program number may be permanent signals.
Ready for testing is set after the tester has read in the program number.
Start should be an approx. 1 second pulse.
Test result (No Leak, Rework, Leak (UT, O.K. or LT)) remains valid, until a new signal
Machine ready is applied again.
Abort
If the signal Abort is set during the measurement, the test in progress will be aborted
and the signal “Ready for operation” will be set.
For subsequent testing the signal Machine ready must be applied again.
Error is reset when removing and renewing the signal Automatic.
Measuring device busy (optional) will be submitted from the start to the end of a test.