Pepperl+Fuchs AS-I 3.0, Руководство пользователя

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3
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AS-i 3.0 Command Interface
Commands of the Command Interface
4. Commands of the Command Interface
4.1 AS-i 16-bit data
4.1.1 Overview of the commands
4.1.2 Read 1 16-bit Slave in.Data (RD_7X_IN)
With this command, the four 16-bit channels of an AS-i input slave according to
the slave profile (S-7.3, S-7.4, S-7.5, S-7.A.8, S.A.9, S-7.A.A) can be read.
Values for command
see page Command Value Meaning Req
Len Res
Len
page 14 RD_7X_IN 50
16
read 1 16-bit slave profile in.data 3 10
page 15 WR_7X_OUT 51
16
write 1 16-bit slave profile out.data 11 2
page 15 RD_7X_OUT 52
16
read 1 16-bit slave profile out.data 3 10
page 16 RD_7X_IN_X 53
16
read 4 16-bit slave profile in.data 3 34
page 16 WR_7X_OUT_X 54
16
write 4 16-bit slave profile out.data 35 2
page 17 RD_7X_OUT_X 55
16
read 4 16-bit slave profile out.data 3 34
page 18 OP_RD_16BIT_IN_CX 4C
16
read 16 channels 16-bit slave in.data 3 34
page 19 OP_WR_16BIT_OUT_CX 4D
16
write 16 channels 16-bit slave out.data 36 2
Tab. 4-5.
Information!
A-Slaves map the data on channels 1 and 2.
B-Slaves map the data on channels 3 and 4.
Only values among 1 and 31 can be taken as a slave address.
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 50
16
2 T – circuit
3 – 0 slave address
Tab. 4-6.
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 50
16
2 T result
3 channel 1, high byte
… …
10 channel 4, low byte
Tab. 4-7.