M-system R7I4DML3-DC32A Instruction Manual page 9

• DATA_RWA (20H)
Transmits I/O data to master station. Data allocation is following.
Data size is 16 bytes.
BYTE COMMAND
0 DATA_RWA (20H)
1 00H
2 CMD_CTRL
3
4 CH0 OUT LO
5 CH0 OUT HI
6 CH1 OUT LO
7 CH1 OUT HI
8 CH2 OUT LO
9 CH2 OUT HI
10 CH3 OUT LO
11 CH3 OUT HI
12 00H
13 00H
14 00H
15 00H
[ I/O DATA ]
• Input data
Input data to be sent from the slave to the master are set in the response.
CH0 IN LO CH0 data low 8 bits
CH0 IN HI CH0 data high 8 bits
CH1 IN LO CH1 data low 8 bits
CH1 IN HI CH1 data high 8 bits
CH2 IN LO CH2 data low 8 bits
CH2 IN HI CH2 data high 8 bits
CH3 IN LO CH3 data low 8 bits
CH3 IN HI CH3 data high 8 bits
• Output data
Output data to be sent from the master to the slave are set in the command. Unused with input module.
CH0 OUT LO CH0 data low 8 bits
CH0 OUT HI CH0 data high 8 bits
CH1 OUT LO CH1 data low 8 bits
CH1 OUT HI CH1 data high 8 bits
CH2 OUT LO CH2 data low 8 bits
CH2 OUT HI CH2 data high 8 bits
CH3 OUT LO CH3 data low 8 bits
CH3 OUT HI CH3 data high 8 bits
RESPONSE
DATA_RWA (20H)
00H
CMD_STAT
CH0 IN LO
CH0 IN HI
CH1 IN LO
CH1 IN HI
CH2 IN LO
CH2 IN HI
CH3 IN LO
CH3 IN HI
00H
00H
00H
00H
Bit 0 through 7 of the data, which reads back the output data, are set
Bit 8 through 15 of the data, which reads back the output data, are set
Bit 16 through 23 of the data, which reads back the output data, are set
Bit 24 through 31 of the data, which reads back the output data, are set
Not used
Not used
Not used
Not used
Bit 0 through 7 of output data are set
Bit 8 through 15 of output data are set
Bit 16 through 23 of output data are set
Bit 24 through 31 of output data are set
Not used
Not used
Not used
Not used
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
REMARKS
Transmit I/O data
Not used
Refer to CMD_CTRL/CMD_STAT.
CHx OUT: Output data: See 'Output Data' of 'I/O DATA'
CHx IN: Input data: See 'Input Data' of 'I/O DATA'
Not used
Not used
Not used
Not used
R7I4DML3-DC32A
EM-8008-C P. 9 / 12