LG GLOFA-GM Series User Manual page 151

Chapter 7 Communication function
2) Function Block
A) SND_MSG
Function Block
SND_MSG
BOO RE ND
USIN FL_ ER
ID
STA
① Function
Function Block to transmit the frame registered in frame list.
② Error
Error code is output to output STATUS. Refer to Error codes for details.
Flag(_RCV[n] : n means frame list number)
indicates that user defined frame is received per setting number.
-
as of boolean type with size of 16 in array form.
-
If received frame is agreed with No.3 frame list, _RCV[3] is blinking.(0 → 1 → 0)
-
After frame is received, GM7 basic unit checks if any is agreed with received frame in its
frame list . If the frame is in existence, applicable address of _RCV[n] flag is blinked and
if received data is in existence, it is saved in the applicable area.
Input
REQ
FL_ID
BOO
Output
BOO
NDR
USIN
T
S
ERR
STATUS
Description
: Executes Function Block at 1(rising edge).
: Field number of frame list to transmit.
: If executed without error, 1 is output as kept until next
Function Block is called.
: If error occurs, 1 is output as kept until next Function Block
is called.
: If error occurs, error code is output.
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