Markem Imaje 9232, Руководство пользователя, Страница: 169 / 185

the team to trust
External Connections
168 A40051-B
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„
Print
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Object detection cell inputs (TRIGG/CELL2)
The„object„detector„are„connected„to„the„black„M12„socket„or„to„the„industrial„interface„
board’s„TRIGG-a„and„TRIGG-b„terminals.„When„the„detector„is„activated„by„a„passing„
object,„it„sends„a„signal„to„the„printer„which„triggers„printing.„The„TRIGG„input„is„filtered„
to„prevent„interference.
A„conveyor’s„speed„can„be„measured„using„the„TRIGG„input„only,„or„by„connecting„a„
second„photocell„to„the„CELL2-a„and„CELL2-b„terminals.
†
Object detector inhibition input (INHIBIT TRIG)
The„INHIBIT„TRIG-a„and„INHIBIT„TRIG-b„inhibit„the„TRIGG„detection„signal.„The„
principle„is„shown„on„the„diagram„below:
INHIBIT TRIG
30 µs
printing inhib-
ited
printing of ac-
tive job
TRIGG
PRINTING
30 µs
printing inhib-
ited
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Tachometric generator input (ENCODER)
A„tachometric„generator„or„encoder„can„be„connected„to„the„blue„M12„socket„or„to„
the„industrial„interface„board’s„ENCODER„CH-A„and„ENCODER„COMMON„terminals.„
The„tachometric„generator„enables„printing„to„be„sequenced„with„a„variable„speed„
conveyor.
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Reverse job direction input (INVERSE MESS)
Information„sent„between„the„INVERSE„MESS-a„and„INVERSE„MESS-b„terminals„
reverse„the„direction„of„the„job„printed„(to„and„fro„print„operation).
†
Job synchronisation output (PRINTG)
The„industrial„interface„board’s„„and„PRINTG-„terminals„provide„a„calibrated„
pulse„throughout„the„printing„of„a„job.