Sharp Z-336J - Manual (Page 102)

9-25
Chapter 9: Message transfers
9
Monitoring relay (COM = 20
(H)
)
[Format]
COM = 20
(H)
DSED = Segment (00 to 07, 10 to 2C
(H)
) See page 9-20.
DADR
L, H
= Byte address (0000
(H)
to FFFF
(H)
) See page 9-20.
BLOC = Bit position (00
(H)
to 07
(H)
)
DATA = Read data (00
(H)
: OFF, 01
(H)
: ON)
[Function]
- Read the bit data (relay) shown in DSEG, DADR, and BLOC.
[Execution condition]
- Write enable mode : Mode 0, mode 1 and mode 2
- PC operation status : Stopping, operating
[Example]
- Monitor the ON/OFF status of relay number 04033.
Ë Command
Ë Response
COM DSEG DADR
L
DADR
H
BLOC
COM RSLT DSEG DADR
L
DADR
H
BLOC DATA
Bit 3
Bit 3
File 0
File 0
ON
Ë Command
Ë Response
20 00 03 01 03
20 00 00 03 01 03 01
File address
000403
(8)
= 0103
(H)
File address
000403
(8)
= 0103
(H)
Relay number 04033
Relay number 04033