Yaskawa MP900 Series Machine Controller New Ladder Editor - Manual (Page 23)

1.1 Relay Circuit Instructions
1-13
1
1.1.8 FALLING PULSE Instruction (OFF-PLS)
„ Outline
The OFF-PLS sets the value of the bit input to ON for one scan when the immediately-pre-
ceding value of the bit output changes from ON to OFF. The designated register is used to
store the previous value of the bit output.
„ Format
„ Parameter
„ Program Example
When IB00001 turns OFF, MB000101 turns ON and stays ON during 1 scan. MB000100 is
used to store the previous value of IB00001.
Parameter Name Setting
Register No. • Any bit type register (except for # and C register)
• Any bit type register with subscript (except for # and C regis-
ters)
Symbol: OFF-PLS
Full Name: Fall Pulse
Category: RELAY
Icon:
IB00001
MB000100
MB000101
ON
OFF
ON
OFF
ON
OFF
1 scan 1 scan