Mitsubishi FX3U-485-BD User Manual

B-47
FX Series PLC User's Manual - Data Communication Edition
N:N Network
9 Troubleshooting
9.6 Checking Absence/Presence of Data Transfer Errors
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter Communication
F
Non-Protocol Communication (RS/RS2 Instruction)
G
Non-Protocol Communication (FX
2N
-232IF)
H
Programming Communication
I
Remote Maintenance
Apx.
Discontinued models
9.6.3 Checking error codes
When a data transfer sequence error occurs, the corresponding data transfer sequence error flag turns ON,
and the error code is stored in the corresponding data register.
→ For error codes, refer to the next page.
1. Error storing device
The data register used to store the data transfer error code varies depending on the FX Series and station
number. Refer to the table below.
2. Error code list
The data register for storing the data transfer error code stores the corresponding error code. When a data
transfer sequence error occurs, refer to the error code list shown below, and confirm the check points.
M: Master station, L: Slave station
*1. Any slave station other than the slave station in which error occurred
*2. Station in which error occurred
FX Series
Master
station
Slave
station
No. 1
Slave
station
No. 2
Slave
station
No. 3
Slave
station
No. 4
Slave
station
No. 5
Slave
station
No. 6
Slave
station
No. 7
FX
1N, FX2N, FX3G,
FX3U, FX1NC, FX2NC,
FX
3UC
D8211 D8212 D8213 D8214 D8215 D8216 D8217 D8218
FX
0N, FX1S D211 D212 D213 D214 D215 D216 D217 D218
Error
code
Error name
Station
in which
error
occurred
Station
which
detected
error
Contents of error Check point
01H Monitoring timeout L M
Slave station did not respond to the
sending request from the master station
within the monitoring time.
Wiring and power
supply
02H
Station number
error
LM
An unexpected slave station responded
to the sending request by the master
station.
Wiring
03H Counter error L M
The counter value included in the
parameter data is different from the
counter value given by a slave station.
Wiring
04H
Message format
error
LM, L
The message given by the slave station
is incorrect.
Wiring, power
supply and station
number settings
11H Monitoring timeout M L
The master station did not give a sending
request to the next slave station within
the monitoring timer.
Wiring and power
supply
14H
Message format
error
ML
The message from the master station is
incorrect.
Wiring, power
supply and station
number settings
21H
Slave station no
response error
L
L
*1
The specified slave station does not exist.
Wiring, power
supply and station
number settings
22H
Station number
error
L
L
*1
An unexpected slave station responded
to the sending request by the master
station.
Wiring
23H Counter error L
L
*1
The counter value included in the
parameter data is different from the
counter value given by a slave station.
Wiring
31H
Parameter not
received
L
L
*2
Before parameters had been received,
sending request was received from the
master station.
Wiring and power
supply

Mitsubishi FX3U-485-BD Specifications

General

Brand	Mitsubishi
Model	FX3U-485-BD
Category	Controller
Language	English