Hitachi EH-150 Series - Page 139

Chapter 6 Communication mode
6 - 97
Simple data link
[EHV-CPU]
TRNS 9 ( WY215 , WR0 , M0 )
WR7 = H0000 … Initial setting command
WR8 = 200 … Command timeout time
DR9 =ADR(WR100) … I/O address of sending data area
( WR100 )
DRB = ADR(WR200) … I/O address of receiving data area
( WR200 )
WRD = H0002 … Size of receiving data area
R7E3
s parameter
TRNS 9 command
WR100 = H0012 No. of send data (byte)
WR101 = H0030 Communication mode
WR102 = H0002 Waiting time for slave response
WR103 = H0002 Waiting time for switching station No
WR104 = H000A Setting data link area
WR105 = H1000
WR106 = H0016 Number of words occupied by master
WR107 = H0132 Station number, word of slave station
WR108 = H0208 Station number, word of slave station
WR109 = H0324 Station number, word of slave station
R7E3
Sending data area
(Parameter for
initialization )
M0
S
TRNS 9 execution
R0
DIF
R7E3
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