Fx 3Uc -4Ad; Switching Of Input Mode - Mitsubishi FX3U-4AD User Manual

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
FX -4AD-ADP (4-channel analog Input)
3U
• FX Series PLC
3G
Special device
Special auxiliary relay
Special data register
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 , FX
3U 3UC
1st
M8260
M8261
M8262
M8263
• FX Series PLC
3G
Special auxiliary relay
1st
M8280
M8281
M8282
M8283
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-18
Device number
1st
M8280
M8281
M8282
M8283
M8284 to M8294 to
M8289
D8280
D8281
D8282
D8283
D8284
D8285
D8286
D8287
D8288
D8289
Series PLC
Special auxiliary relay
2nd 3rd
M8270 M8280
M8271 M8281
M8272 M8282
M8273 M8283
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
, FX
3U 3UC
M8260
Description
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
Unused (Do not use.)
M8299
D8290 Channel-1 input data
D8291 Channel-2 input data
D8292 Channel-3 input data
D8293 Channel-4 input data
Averaging time for channel-1 (Setting
D8294
range: 1 to 4095)
Averaging time for channel-2 (Setting
D8295
range: 1 to 4095)
Averaging time for channel-3 (Setting
D8296
range: 1 to 4095)
Averaging time for channel-4 (Setting
D8297
range: 1 to 4095)
D8298 Error status
D8299 Model code = 1
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
Description
OFF: Voltage input
ON: Current input
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
R: Read / W: Write
Attribute Reference
R/W
R/W
Section 4.3
R/W
R/W
-
R
R
Section 4.4
R
R
R/W
R/W
Section 4.5
R/W
R/W
R/W Section 4.6
R Section 4.7
Description
OFF: Voltage input
ON: Current input
M8261
-