Mitsubishi MELSEC-F FX3U Series - List of Special Devices; Switching of Output Mode

D-16
4 Programming
4.2 List of Special Devices
FX 3U /FX 3UC Series PLC User's Manual - Analog Control Edition
FX3U-4DA-ADP (4-channel analog Output)
4.2 List of Special Devices
If 4DA-ADP is connected, special devices will be assigned as shown in the following table:
R: Read / W: Write
4.3 Switching of Output Mode
Turn on/off the special auxiliary relay to switch the output mode of 4DA-ADP between the current output
mode and the voltage output mode.
To switch the output mode, use the following special auxiliary relays:
1. Example of program
To switch the output mode of a channel, create a sequence program as follows:
Special
device
Device number
Description Attribute Reference
1st 2nd 3rd 4th
Special
auxiliary
relay
M8260 M8270 M8280 M8290 Switches the output mode of channel 1. R/W
Section
4.3
M8261 M8271 M8281 M8291 Switches the output mode of channel 2. R/W
M8262 M8272 M8282 M8292 Switches the output mode of channel 3. R/W
M8263 M8273 M8283 M8293 Switches the output mode of channel 4. R/W
M8264 M8274 M8284 M8294
Sets the cancel of the channel-1 output
holding function.
R/W
Section
4.4
M8265 M8275 M8285 M8295
Sets the cancel of the channel-2 output
holding function.
R/W
M8266 M8276 M8286 M8296
Sets the cancel of the channel-3 output
holding function.
R/W
M8267 M8277 M8287 M8297
Sets the cancel of the channel-4 output
holding function.
R/W
M8268 to
M8269
M8278 to
M8279
M8288 to
M8289
M8298 to
M8299
Unused (Do not use.) - -
Special
data
register
D8260 D8270 D8280 D8290 Channel-1 output setting data R/W
Section
4.5
D8261 D8271 D8281 D8291 Channel-2 output setting data R/W
D8262 D8272 D8282 D8292 Channel-3 output setting data R/W
D8263 D8273 D8283 D8293 Channel-4 output setting data R/W
D8264 to
D8267
D8274 to
D8277
D8284 to
D8287
D8294 to
D8297
Unused (Do not use.) - -
D8268 D8278 D8288 D8298 Error status R/W
Section
4.6
D8269 D8279 D8289 D8299 Model code = 2 R
Section
4.7
Special auxiliary relay
Description
1st 2nd 3rd 4th
M8260 M8270 M8280 M8290 Switches the output mode of channel 1
OFF:Voltage output
ON :Current output
M8261 M8271 M8281 M8291 Switches the output mode of channel 2
M8262 M8272 M8282 M8292 Switches the output mode of channel 3
M8263 M8273 M8283 M8293 Switches the output mode of channel 4
1) To switch the output mode of channel 1
of the 1st analog special adapter to the
voltage output mode:
M8001
M8260
Normally OFF
2) To switch the output mode of channel 2
of the 1st analog special adapter to the
current output mode:
M8000
M8261
Normally ON