Output Holding Function Cancellation Setting - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -3A-ADP (2-channel Analog Input, 1-channel Analog Output)
3U
1. Program Example (For FX
To switch the output mode of a channel, create a sequence program as follows:
1) To switch the channel output mode of
channel 1 of the 1st analog special
adapter to the voltage output mode:
M8001
Normally OFF
4.5

Output Holding Function Cancellation Setting

This setting can hold the analog data output or to output the offset data (0V for voltage output mode, 4mA for
current output mode) when the PLC stops.
To cancel or set the output holding function, use the following special auxiliary relays:
• FX Series PLC
3S
Special auxiliary relay
M8286
• FX /FX
3G 3GC
Special auxiliary relay
1st
M8286
• FX /FX
3U 3UC
1st
M8266
1. Program Example (For FX
To set or cancel the output holding function for a channel, create a sequence program as follows:
1) To set the output holding function for
channel 1 of the 1st analog special adapter:
M8001
Normally OFF
H-22
PLC User's Manual - Analog Control Edition
3UC
/FX
3U 3UC
M8262
Cancel output holding
function setting
Series PLC
2nd
Cancel output holding
M8296
function setting
Series PLC
Special auxiliary relay
2nd 3rd
M8276 M8286
/FX
3U 3UC
M8266
Series PLC)
Description
OFF: Holds the analog data output just before stop of the PLC.
ON : Outputs the offset data at stop of the PLC.
Description
OFF: Holds the analog data output just before stop of the PLC.
ON : Outputs the offset data at stop of the PLC.
4th
Cancel output holding
M8296
function setting
Series PLC)
4.5 Output Holding Function Cancellation Setting
Description
OFF: Holds the analog data output
just before stop of the PLC.
ON : Outputs the offset data at stop
of the PLC.
4 Programming