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10
Display Content
The LEDs of this device indicate the pulse input status and error status of this device.
10-1.Display Content List
Display Item
Power supply status
Input status
Channels
1 to 4
Communication error
status (*1)
*1: If a communication error occurs, switch to "Communication Error Status Display". Changing SW08-1 from ON to OFF masks the "Communication Error
Status Display" for 10 seconds so that the input status of channels 1 to 4 can be displayed.
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 SW08-1 from ON to OFF masks the "Communication Error Status Display" for 10 seconds so that
the input status of channels 1 to 4 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
Display LED
(1) Power supply to
LED16
CPU
(CPU power on)
(2) Power supply to
LED17
M-NET circuit
(M-NET power on)
(1) Input status
LED12/13/14/15
(Status display LEDs)
(1) 4-digit error code LED12/13/14/15
(Status display LEDs)
LED12
LED13
LED14
Error cord display (Binary number indication)
3
2
2
=8
2
=4
2
/
/
/
/
/
/
/
/
Description of Error
Content
Note
: Lights when the CPU is energized.
: Flashes during M-NET communication.
: Lights when the M-NET is energized.
Input
Method
Pulse
Input
Refer to "Communication Error Status Display".
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
11
: On,
: Off,
: Flashing
–
Ch1
Ch2
LED11
LED12
LED13
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
Ch3
Ch4
LED14
LED15
: Input
: No Input
:Off,
:Flashing
Remark
Turn Off
indication
Turn Off
indication
Turn Off
Turn Off
Turn Off
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