Mitsubishi Electric GT11 User Manual page 309

Self-loopback
2
4 3 2
8 7 6
Display unit (back)
RS-232
RS-422
BATTERY
INPUT
24V DC
- +
(FG)
For preparation for the self-loopback communication
1
check, insert the connector for self-loopback check
(Customer purchased) shown in the diagram left in
the RS-232 interface.
For this connector, short 2 and 3 pins, 7 and 8 pins, 4
CF CARD
and 6 pins, respectively.
ACCESS OFF ON
CF CARD
Set the interface channel setting for the self-loopback
check to none (ChNo. : 0) by using Communication
Settings of the GOT main unit. Refer to the followings
for the Communication Settings.
I/F
If touch the
2
RS-232 interface is carried out.
RESET
After selecting
3
received data are verified through the self-loopback
connector. If data can not be received during data
transmission, the dialog shown left is displayed, and
the GOT restarts which notifies the self-loopback
connector failure, self-loopback connector
communication error or RS-232 interface hardware
failure.
During check, the dialog shown left is displayed.
4
When all checks end normally, the dialog shown left
5
is displayed, and the GOT restarts.
button, the hardware check for the
Self
, the transferred data and
Self
14.10 I/O Check
14.10.3 I/O check operation
9
10
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12
13
14
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