Mitsubishi Electric MELSEC iQ-R Series User Manual page 57

When a message is received
Received EMCY messages are registered in the buffer memory and event history. Check the event history to confirm received
EMCY messages. ( Page 145 Event List)
Ò
(1)
Control by the program
'EMCY message available'
(X11)
OFF
'Data exchange request' (Y01)
OFF
'Data exchange completed'
(X01)
OFF
Buffer memory in the module
'EMCY message buffer'
(Un\G750 to Un\G859)
(1) EMCY message received
(2) EMCY message (new)
(3) SET instruction
(4) RST instruction
(5) MOV/FROM instruction
 When an EMCY message is received, 'EMCY message available' (X11) turns on.
(The EMCY message is stored inside the module but not stored in the buffer memory.)
 'Data exchange request' (Y01) is turned on.
 'EMCY message buffer' (Un\G750 to Un\G859) is updated to the latest state.
 When data exchange is completed, 'Data exchange completed' (X01) is turned on.
 'Data exchange request' (Y01) is turned off.
 The EMCY message is read from EMCY message buffer.
For details on EMCY message buffer, refer to the following.
Page 170 EMCY message buffer (Un\G750 to Un\G859)
For how to clear 'EMCY message available' (X11) and EMCY message buffer, refer to the following.
Page 152 EMCY message available (X11), EMCY message area clear request (Y11)
Ó
(3)
ON
ON
Õ
(2)
Ô
Ö ×
(4)
OFF
ON
OFF
(2)
(5)
1 FUNCTIONS
1.7 EMCY
1
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