A.2 receive message function (msg-rcv), A.2.1 basic specifications – Yaskawa MP920 Communications Module User Manual
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A.2 RECEIVE MESSAGE Function (MSG-RCV)
A-13
A
A.2
RECEIVE MESSAGE Function (MSG-RCV)
A.2.1
Basic Specifications
* Refer to A.1 SEND MESSAGE Function (MSG-SND).
Function
Name
MSG-RCV
Function
Receives a message from the remote station on the line specified by the COMMUNI-
CATIONS DEVICE TYPE command (DEV-TYP). Supports multiple protocol types.
The EXECUTION command (EXECUTE) must be held ON until COMPLETE or
ERROR turns ON.
Communications devices: 215IF, 217IF, 218IF, serial, SVB-01
Protocols: MEMOBUS, no-protocol
Function
Definition
I/O
Definitions
No.
Name
I/O Designation
Description
Inputs
1
EXECUTE
B-VAL
RECEIVE MESSAGE command
2
ABORT
B-VAL
RECEIVE MESSAGE ABORT com-
mand
3
DEV-TYP
I-REG
Communications device type:
215IF = 1, 217IF = 5, 218IF = 6, Serial
= 8, SVB-01 = 11
4
PRO-TYP
I-REG
Communications protocol:
MEMOBUS = 1*
No-protocol 1 = 2
No-protocol 2 = 3
5
CIR-NO
I-REG
Line number:
215IF = 1 to 8, 217IF = 1 to 24
218IF = 1 to 8, Serial= 1 or 2
6
CH-NO
I-REG
Transmission buffer channel number
215IF = 1 to 13, 217IF = 1
218IF = 1 to 10, Serial = 1
7
PARAM
Address input
Leading address of setting data
(MW, DW, #W)
Outputs
1
BUSY
B-VAL
Message is being received.
2
COMPLETE
B-VAL
Message receiving has been completed.
3
ERROR
B-VAL
Error has occurred.
MSG-RCV
EXECUTE BUSY
ABORT COMPLETE
DEV-TYP ERROR
PRP-TYP
CIR-NO
CH-NO
PARAM