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11
TROUBLESHOOTING
Display Data
Left side of H/W LED Information
(*1) (*2)
Right side of H/W SW
MODE
Information
SETTING
IP ADD.H
IP ADD.L
DUO INFO
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(b) When confirming the LED status and switch setting status on the H/W
Information screen of the diagnostics function
The H/W Information screen can be confirmed on GX Developer 8.29F or
later.
[Starting Procedure]
GX Developer → [Diagnostics] → [System monitor] →
Module's Detailed Information → H/W Information
[Display Data]
The QJ71MT91 data stored in the following buffer memory areas are
displayed.
Corresponding Buffer Memory Area
Module status: LED status (*1) (*2) (*3)
Intelligent function
Switch 1: Operation mode setting status
module switch (*4)
Switch 2: Communication condition setting status 0C01
Switch 3: Local station IP address setting status
Switch 4: Local station IP address setting status
Switch 5: Redundant settings status
*1: LED status structure
b15
to
b5
b4
b3
1/0
*2: Refer to Section 11.1 for troubleshooting of the H/W LED.
*3: Refer to Section 11.4 for how to turn off the COM. ERR. LED.
*4: Refer to Section 6.6 for details of the intelligent function module switches.
b2
b1
b0
1: On
1/0
1/0
1/0
0: Off
INIT.LED
OPEN LED
ERR.LED
COM.ERR.LED
MELSEC-Q
Address
0C05
(3077)
H
0C00
(3072)
H
(3073)
H
0C02
(3074)
H
0C03
(3075)
H
0C04
(3076)
H
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