Mitsubishi MELSEC-F FX3U Series User Manual

B-59
8 Troubleshooting
8.5 4AD Initialization and Test Program
A
Common Items
B
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3U
-4DA-ADP
E
FX
3U
-4AD-PT
-ADP
F
FX
3U
-4AD-TC
-ADP
G
PID Instruction (FNC 88)
FX 3U /FX 3UC Series PLC User's Manual - Analog Control Edition
FX3UC-4AD (4-channel Analog Input)
8. Digital filter setting error (b11)
1) Description of error
The digital filter value (BFM #6 to #9) is not set correctly.
2) Remedy
Set the digital filter value again in the range from 0 to 1600.
Also check that the number of averaging is not set for the selected channel.
9. Abrupt change detection value setting error (b12)
1) Description of error
The abrupt change detection value (BFM #91 to #94) is not set correctly.
2) Remedy
Check that the abrupt change detection value is in the range specified for the selected input mode. If the
value is out of the range, correct it.
10. Upper/lower limit detection setting error (b13)
1) Description of error
The lower limit error detection value (BFM #71 to #74) or the upper limit error detection value (BFM #81 to
#84) is not set correctly.
2) Remedy
Check that the upper/lower limit error detection value is in the range specified for the selected input
mode. If the value is out of the range, correct it.
11. Addition data setting error (b12)
1) Description of error
The addition data (BFM #61 to #64) is not set correctly.
2) Remedy
Set the addition data again in the range from -16000 to +16000.
8.5 4AD Initialization and Test Program
If the above-mentioned remedies cannot solve the problem, initialize 4AD and then check the conditions of
4AD using the test program.
→ For a detailed description of 4AD initialization program, refer to Subsection 7.4.
→ For a detailed description of the test program, refer to Chapter 4.

Mitsubishi MELSEC-F FX3U Series Specifications

General

Brand	Mitsubishi
Model	MELSEC-F FX3U Series
Category	Controller
Language	English