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10-2. Communication Error Status Display
If a communication error occurs, a 4-digit error code will be repeatedly displayed according to the steps shown below.
Communication error status display consists of the following 10 steps. This operation is performed repeatedly to indicate the
4-digit error code for the communication error.
Furthermore, changing SW03-8 from ON to OFF masks the "Communication Error Status Display" for 10 seconds so that
the input/output status set with SW03-6 and 7 can be displayed.
LED11
Common
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6
STEP7
STEP8
STEP9
STEP10
The error codes that are displayed for M-NET communication errors are as shown below.
Error Code
6600
Multiple address error
6601
M-NET polarity unset error
6602
Transmission processor hardware error
6603
Transmission circuit bus-busy error
6606
Communications with transmission processor error
6607
No ACK error
6608
No return of response frame
11
Test Run
Use the following procedure to confirm operation of the system.
(1) Configure the settings of this device and the system controllers while referring to "8 Initial Setting Procedure".
(2) Perform an operation from a system controller and confirm whether a connected general-purpose device can be operated normally.
(3) In the case of using contact inputs
(a) Change the operate/stop status of the connected device and confirm whether the operation status is displayed on the system
controller.
(b) Generate an error on the connected general-purpose device and confirm whether the error is displayed on the system controller.
(4) In the case of using error interlock stop outputs
(a) Generate an error on the connected device and confirm that "Stop" is output from a contact output.
If there is a problem, check the wiring and settings.
For details on configuring settings, refer to "8 Initial Setting Procedure" and "9 Switch List".
LED12
LED13
LED14
Error cord display (Binary number indication)
3
2
2
=8
2
=4
2
/
/
/
/
/
/
/
/
Description of Error
LED15
1
0
=2
2
=1
"Error Status Display"
Starting Point Indication
/
/
Error code 1000's digit
/
/
Error code 100's digit
/
/
Error code 10's digit
/
/
Error code 1's digit
14
Note
:On,
Function
LEDs 12 to 15 flash 3 times
Blank
Error code 1000's digit
In the case of 6,
Blank
Error code 100's digit
In the case of 6,
Blank
Error code 10's digit indication
In the case of 0,
Blank
Error code 1's digit indication
In the case of 7,
Blank
:Off,
:Flashing
Remark
Turn Off
indication
Turn Off
indication
Turn Off
Turn Off
Turn Off
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