HEIDENHAIN iTNC 530 HSCI Technical Manual page 1838

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Example:
Token in OEM.SYS: PLCEVENTS = PLC:\EVENTS.PEV
Entry in the file EVENTS.PEV: SPAWN_PROC1; KEYCODE==5; $0008
Condition: PLC variable KEYCODE corresponds to W274
The event 8 will be sent to the spawn process SPWAWN_PROC1 after
pressing the Ctrl-E (= 5) key.
If the events are OR-gated, the iTNC returns and deletes only the set events.
You can specify the events to be deleted by calling without a waiting period
and with an OR gate.
Event bits 16 to 31 are reserved for the operating system:
Bit 16: BREAK, cancels a function. Setting and reading is permitted. If you
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transmit this event, the iTNC cancels access to interfaces and the network!
Bit 17: Reserved, do not use
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Bit 18: Reserved, do not use
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Bit 19: QUIT, acknowledgment of a request. Use this bit only in the
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immediate context of a request.
Bit 20 to bit 31: Reserved, do not use
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Call:
PS B/W/D/K <>Wait>
0 = Do not wait
–1 = Wait
PS B/W/D/K <>AND/OR>
0 = OR-gated, otherwise AND-gated
PS B/W/D/K <>Event mask>
0 = Available events
CM 9260
PS B/W/D/K <>Events>
Read events
Error code:
Marker Value Meaning
M4203 0 Event has been read
1 Error code in W1022
W1022 2 Incorrect transfer value for <Wait> parameter
20 Module was not called in a spawn or submit job
HEIDENHAIN Technical Manual iTNC 530 HSCI