Mitsubishi FX3U-4AD User Manual

F-27
6 Troubleshooting
6.4 Program Check
FX 3G /FX 3U /FX 3UC PLC User's Manual - Analog Control Edition
FX3U-4DA-ADP (4-channel analog Output)
A
Common Items
B
FX
3U
-4AD
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3G
-2AD-BD
E
FX
3U
-4DA
F
FX
3U
-4DA-ADP
G
FX
3G
-1DA-BD
H
FX
3U
-4AD-PT
-ADP
I
FX
3U
-4AD-PTW
-ADP
J
FX
3U
-4AD-PNK
-ADP
6.4 Program Check
Check the following items for the program:
1. Device for setting specified digital value
Check that different values are not written to this device using other programs.
6.5 Error Status Check
If an error occurs in the 4DA-ADP, the corresponding bit will turn on.
To solve the problem, refer to the troubleshooting method described below:
1. Output data setting error (b0 to b3)
1) Description of error
The specified digital value is outside the specified range.
Analog data will not be correctly output.
2) Remedy
Check that the specified digital value is within the specified range.
2. EEPROM error (b4)
1) Description of error
The adjustment data set in the EEPROM before delivery from our factory cannot be read out properly or
is destroyed.
2) Remedy
Please contact the nearest Mitsubishi Electric distributor office.
Bit Description
b0 Channel-1 output data setting error
b1 Channel-2 output data setting error
b2 Channel-3 output data setting error
b3 Channel-4 output data setting error
b4 EEPROM error
b5 to b15 Unused

Mitsubishi FX3U-4AD Specifications

General

Brand	Mitsubishi
Model	FX3U-4AD
Category	Controller
Language	English