HEIDENHAIN MANUALPLUS 620 - Page 1150

1150 HEIDENHAIN Technical Manual MANUALplus 620
Setup for digital
signals
Call the "M, I, O, T, C selection" dialog box:
 Press the SELECT MIOTC soft key.
Set:
 Operand: Type and number of the PLC operand’s symbolic name
•M: Marker
• I: Input
•O: Output
•T: Timer
•C: Counter
• X: Diagnostic information for internal purposes
• s: Symbolic API operand
After selection, the symbolic API operand can be selected over the
SYMBOL LIST soft key.
 Trigger:
• X: No trigger
• 0: Trigger at 0-level
• 1: Trigger at 1-level
The trigger is only taken into consideration if Selection=X is set.
 Selection:
• X: Signal is displayed and considered as trigger
• Empty field: Signal is not displayed and not considered as trigger
Note
 You define the general trigger conditions ("Trigger" input field) and the
pre-trigger in the setup for analog signals.
 The trigger condition "logic" is fulfilled when all triggers set in "M I O T C
selection" are fulfilled (AND-gating).