ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 7 – command channel
Commands in DP module 7
189
Example:
Read LPF (list of slaves with peripheral fault) of slave group 2 on AS-i master 1
Request from fieldbus master to device
Byte no.
Value [hex]
Meaning
1
0A
0A = command number 10
2 54
(slave no.
20
)
group 2
+ (master no.
1 * 64
)
+ (32, if B slave)
= 84
dec
= 54
hex
3 xx
not
used
4 xx
not
used
Response from device to fieldbus master
Byte no.
Value [hex]
Meaning
1
0A
command processed, no error occurred
reflected command number
2
54
copy of the request
3 02
hex
=
00000010
bin
table Slave group in module 7 (
→
page
), group 2:
slave 26(A) indicates peripheral fault
4 20
hex
=
00100000
bin
table Slave group in module 7 (
→
page
), group 2:
slave 21(A) indicates peripheral fault
