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Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 7 – command channel
Commands in DP module 7
199
10.1.17
Module 7, command 21 (15hex) – Save configuration in
flash memory
5659
Request from fieldbus master to device
Bit
Byte no.
7
6
5
4
3
2
1
0
1
0
0
21
dec
= 15
hex
2
MM
0
3
not
used
4
not
used
Legend:
MM
master no.
2 bits
01
bin
= 1
dec
= master 1
10
bin
= 2
dec
= master 2
Response from device to fieldbus master
Bit
Byte no.
7
6
5
4
3
2
1
0
1
0
0
reflected command number
2
copy of the request
3
not
changed*)
4
not
changed*)
*)
IMPORTANT:
For the query read only the required bytes!
Unused bytes can contain information of previous queries.
Example:
Save AS-i configuration in flash for AS-i master 1
Request from fieldbus master to device
Byte no.
Value [hex]
Meaning
1
13
13 = command number 19
2
40
+ (master no.
1 * 64
)
= 64
dec
= 40
hex
3 xx
not
used
4 xx
not
used
Response from device to fieldbus master
Byte no.
Value [hex]
Meaning
1
13
command processed, no error occurred
reflected command number
2
40
copy of the request
3 xx
not
changed
4 xx
not
changed
