Output Holding Function Cancellation Setting - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
FX -1DA-BD (1-channel Analog Output)
3G
4.4

Output Holding Function Cancellation Setting

This setting can hold the analog data output or to output the offset data (0 V for voltage output mode, 4 mA 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
M8264
• FX Series PLC
3G
Special auxiliary relay
Board A
M8264
1. Program Example (For FX
To set or cancel the output holding function, create a sequence program as follows:
To set the output holding function
for the board A:
M8001
Normally OFF
4.5 Output Setting Data
The 1DA-BD performs D/A conversion on the output setting data (digital data) into analog data, and outputs
the analog data.
Use the special data registers shown in the following table for the output setting data:
• FX Series PLC
3S
Special data register
D8260
• FX Series PLC
3G
Special data register
Board A Board B
D8260
1. Program Example (For FX
M8000
Normally ON
Using the indicator or the sequence program, input the digital data to be subject to D/A conversion (to be
output as analog data) in D100 and D101.
PLC User's Manual - Analog Control Edition
Cancel output holding function
setting.
Board B
Cancel output holding function
M8274
setting.
Series PLC)
3G
M8264
Output setting data
D8270 Output setting data
Series PLC)
3G
FNC 12
D100
MOV
FNC 12
D101
MOV
4.4 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.
Description
OFF: Holds the analog data output just before
stop of the PLC.
ON : Outputs the offset data at stop of the PLC.
Description
Description
Performs D/A conversion using the digital
D8260
data stored in the D100 for the board A.
Performs D/A conversion using the digital
data stored in the D101 for the board B.
D8270
4 Programming
Numeric data type: Decimal (K)
G-17
A
B
C
D
E
F
G
H
I
J