Yaskawa MP920 Communications Module - Manual (Page 239)

Appendix A System Functions
A.1.4 Inputs
A-10
„ For System Use (PARAM12)
This parameter retains the channel number currently being used. Make sure that this param-
eter is set to 0000H by the user program on the first scan after the power is turned ON. The
parameter value must not be changed by the user program at any other time because the
parameter is used by the system.
1. Relationship between the Data Address, Size and Offset
A = Sender offset address
B = Sender data address
C = Receiver offset address
2. When communications protocol is no-protocol:
No setting is required for PARAM04, PARAM08, PARAM09, or PARAM10. Sending is possible
for MW registers only.
A.1.4 Inputs
„ EXECUTE (SEND MESSAGE EXECUTION Command)
When EXECUTE turns ON, the message is sent.
„ ABORT (SEND MESSAGE ABORT Command)
The ABORT command aborts sending the message. It takes precedence over EXECUTE
(SEND MESSAGE EXECUTION command).
„ DEV-TYP (Communications Device Type)
DEV-TYPE specifies the communications device type.
INFO
B
Data
Offset
Data address
Data
A
B
Data size
B
Data
C
MW00000
MW
[MSG-SND] [CP-215] [MSG-RCV]
Offset
Data
address
Data size
Device Type Code
215IF 1
217IF 5
218IF 6
Serial 8
SVB-01 11