Checking Qj71Mb91 Status - Mitsubishi Electric QJ71MB91 User Manual

11
TROUBLESHOOTING

11.2 Checking QJ71MB91 Status

This section explains how to check the QJ71MB91 status.
LEDs on QJ71MB91
Monitor/Test screen of GX Configurator-MB
System monitor screen of GX Developer
Input signals (X)
Buffer memory
(1) LEDs on QJ71MB91
(2) Monitor/Test screen of GX Configurator-MB
Method
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
LED status area (address: 0C05
b15 b14 b13 b12 b11 b10
Figure 11.1 Configuration of LED status area
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. (
Table11.4 Status checking method
)
H
)
H
b9 b8 b7 b6 b5 b4 b3
Unused
11.2 Checking QJ71MB91 Status
Reference
This section (1)
This section (2)
This section (3)
This section (4)
This section (5)
b2 b1 b0
0 : Off
1/0
1: On
ERR.LED
Section 8.6)
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