1 FUNCTIONS
1.4 Diagnostic Function
47
1
Operation of when a connection is recovered from a disconnection
The operation of when the cause of a disconnection is eliminated and the connection with the external device is recovered
differs depending on the setting in "Output disconnection detection automatic clear enable/disable".
■
When "Output disconnection detection automatic clear enable/disable" is set to "Disable"
The following shows the operation of when 'Alarm clear request' (Y11) is turned on and off.
• The value of 'Output disconnection detection status' (Un\G3072) changes from 1 (Disconnection detected) to 0 (Normal).
• 'Alarm flag' (X11) turns off.
• The ALM LED turns off.
■
When "Output disconnection detection automatic clear enable/disable" is set to "Enable"
The following shows the operation of when the connection is recovered from disconnection.
• The value of 'Output disconnection detection status' (Un\G3072) changes from 1 (Disconnection detected) to 0 (Normal).
• 'Alarm flag' (X11) turns off.
• The ALM LED turns off.
Setting procedure
Set the following items from "Application setting".
• "Output disconnection detection setting" (
Page 105 Output disconnection detection setting)
• "Output disconnection detection disable time setting" (
Page 107 Output disconnection detection disable time setting)
• "Output disconnection detection automatic clear enable/disable" (
Page 105 Output disconnection detection automatic
[Navigation window]
[Parameter]
[Module Information]
Target module
[Module Parameter]
[Application
setting]
: Performed by the output module with diagnostic functions.
: Performed by a program.
: Performed by the output module with diagnostic functions.
ON
0
1
0
OFF
ON
OFF
ALM LED
Disconnection status
Normal
Disconnection
Normal
Off
On
Off
'Output disconnection
detection status' (Un\G3072)
'Alarm flag'
(X11)
'Alarm clear request'
(Y11)
ON
0
1
0
OFF
ALM LED
Disconnection status
Normal
Disconnection
Normal
Off
On
Off
'Output disconnection
detection status' (Un\G3072)
'Alarm flag'
(X11)
Summary of Contents for MELSEC iQ-RX40NC6B
Page 1: ...MELSEC iQ R I O Module With Diagnostic Functions User s Manual Application RX40NC6B RY40PT5B ...
Page 2: ......
Page 125: ...4 OVERVIEW 123 4 MEMO ...
Page 191: ...12 MAINTENANCE AND INSPECTION 189 12 MEMO ...
Page 227: ......