Mitsubishi Electronics MELSEC-F Manuel D’Utilisation

Page de 504
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6 Troubleshooting
6.4 Program Check
FX
3G
/FX
3U
/FX
3UC
 PLC User's Manual - Analog Control Edition
FX
3U
-4DA-ADP (4-channel analog Output)
A
Comm
on I
te
ms
B
FX
3U
-4AD
FX
3UC
-4
A
D
C
FX
3U
-4A
D
-A
D
P
D
FX
3G
-2A
D
-BD
E
FX
3U
-4DA
F
FX
3U
-4D
A
-AD
P
G
FX
3G
-1D
A
-BD
H
FX
3U
-3
A-
ADP
I
FX
3U
-4
A
D
-P
T
       
         
   -
A
D
P
J
FX
3U
-4A
D
-P
TW
     
        
      -
A
D
P
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.
*1.
The 4DA-ADP is supported from June, 2009 and later.
For using the 4DA-ADP, it is necessary to use a main unit whose version supports this function.
For the applicability of each combination of 4DA-ADP and main unit, refer to the table below.
For confirmation of the version of the main unit and checking the 4DA-ADP serial number, refer to the
following.
→ For details of confirmation of the PLC main unit version,
refer to A. Common Items Subsection 5.1.2.
→ For details of check of the 4DA-ADP serial number,
refer to A. Common Items Subsection 5.2.1.
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
Unused
b6
4DA-ADP hardware error (Power supply error included)
*1
b7 to b15
Unused
4DA-ADP
year and month of
production
FX
3U
, FX
3UC
 Series PLC
FX
3G
 Series PLC
Former than
Ver2.60
Ver2.61 or later
Former than
Ver1.10
Ver1.20 or later
Former than
2009 May
Not applicable
Not applicable
Not applicable
Not applicable
2009 June
or later
Not applicable
Applicable
Not applicable
Applicable