Switching Of Input Mode - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -4AD-ADP (4-channel Analog Input)
3U
4.3

Switching of Input Mode

Turn the special auxiliary relay on/off to switch the input mode of 4AD-ADP between the current input mode
and the voltage input mode.
To switch the input mode, use the following special auxiliary relays:
• FX Series PLC
3S
Special auxiliary relay
M8280
M8281
M8282
M8283
• FX /FX
3G 3GC
Special auxiliary relay
1st
M8280
M8281
M8282
M8283
• FX /FX
3U 3UC
1st
M8260
M8261
M8262
M8263
1. Program Example (For FX
To switch the channel input mode, create a sequence program as follows:
1) To switch the input mode of channel 1
of the 1st analog special adapter to
the voltage input mode:
M8001
Normally OFF
C-20
PLC User's Manual - Analog Control Edition
3UC
Switches the input mode of channel 1
Switches the input mode of channel 2
Switches the input mode of channel 3
Switches the input mode of channel 4
Series PLC
2nd
M8290 Switches the input mode of channel 1
M8291 Switches the input mode of channel 2
M8292 Switches the input mode of channel 3
M8293 Switches the input mode of channel 4
Series PLC
Special auxiliary relay
2nd 3rd
M8270 M8280
M8271 M8281
M8272 M8282
M8273 M8283
/FX
3U 3UC
M8260
Description
OFF: Voltage input
ON: Current input
Description
OFF: Voltage input
ON: Current input
4th
M8290 Switches the input mode of channel 1
M8291 Switches the input mode of channel 2
M8292 Switches the input mode of channel 3
M8293 Switches the input mode of channel 4
Series PLC)
2) To switch the input mode of channel 2
of the 1st analog special adapter to
the current input mode:
M8000
Normally ON
4 Programming
4.3 Switching of Input Mode
Description
OFF: Voltage input
ON: Current input
M8261