
,%2$280)054,/(3
Appendix B
## #
B-96
Returns
Status Symbolic Name Meaning
# 1(2$4,0/ 35&&(33)5-
## &0.1-(4(' 7,4+ (22023
### (33$*( /5.%(2 ,/6$-,'
## ,3 /04 &0//(&4(' 02 0))-,/(
### /6$-,' 4,.(054 6$-5(
###! /6$-,' &0120&(3302 '$4$ 481(
###! /6$-,' : '$4$ 481(
## (33$*( $-2($'8 1(/',/*
### (33$*( $%024('
##" /6$-,' 3,9( )02 01(2$4,0/
## ,9( 0) %5))(2 400 3.$--
Description
Use the MSG_READ_W_HANDLER function to handle unsolicited
message read instructions from the PLC-5 programmable controller. This
function puts an entry in the Message Control Table (MCT) for the
requested message number (0-31). When the PLC-5 programmable
controller executes that message number, data from the user-specified
buffer is transferred to the PLC-5 programmable controller.
This function is synchronous. When this function is initiated, the
application program stops until the function completes or fails. For the
asynchronous version of this command see MSG_READ_HANDLER.
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