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11.2 Checking QJ71MB91 Status
11
TROUBLESHOOTING
11.2 Checking QJ71MB91 Status
This section explains how to check the QJ71MB91 status.
(1) LEDs on QJ71MB91
Whether an error is occurring or not can be checked by the LEDs on the QJ71MB91.
( Section 6.3)
Detailed error check is performed as shown in (2) and subsequent sections.
The LED status on the QJ71MB91 can also be confirmed by the LED status area in
the buffer memory. (address: 0C05
H)
(2) Monitor/Test screen of GX Configurator-MB
GX Configurator-MB has a monitor/test screen for the status display and testing of the
QJ71MB91.
Check the status of the QJ71MB91 on the Monitor/test screen. ( Section 8.6)
Table11.4 Status checking method
Method Reference
LEDs on QJ71MB91 This section (1)
Monitor/Test screen of GX Configurator-MB This section (2)
System monitor screen of GX Developer This section (3)
Input signals (X) This section (4)
Buffer memory This section (5)
Figure 11.1 Configuration of LED status area
b0b1
ERR.LED
b2b3b4b5b6b7b8b9
b10
b11b12b13b14b15
Unused
1/0
0 : Off
1: On
LED status area (address: 0C05
H
)
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