
13. INPUT/OUTPUT OF DATA
B–63173EN–1/01
490
[Classification] Output signal
[Function] This signal indicates that an alarm condition has occurred during program
registeration, collation, or output triggered by the external read or punch
start signal.
[Output condition] This signal becomes logical 1, when:
D An alarm condition occurs during program registeration, collation, or
output triggered by the external read or punch start signal.
This signal becomes logical 0, when:
D The system is reset, or the external read/punch stop signal EXSTP is
input.
EXRD
EXSTP
PRBSY
BGEACT
Read start Read start Read startRead end Read interruption
Fig.13.2 (b) Part Program Loading Operation
EXWT
EXSTP
PRBSY
BGEACT
Punch start Punch end Punch start Punch interruption Punch start
Fig.13.2 (c) Part Program Outputting Operation
EXRD or EXWT
RPALM
PRBSY
BGEACT
Read/punch start Read/punch interruption Read/punch start
Fig.13.2 (d) When an External Read/Punch Alarm Occurs
Read/punch alarm signal
RPALM <F053#3>