ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 7 – command channel
Commands in DP module 7
197
Example:
Change slave parameter of slave 7 on AS-i master 1 to the value "F"
Request from fieldbus master to device
Byte no.
Value [hex]
Meaning
1
10
10 = command number 16
2 47
(slave
no.
7
)
+ (master no.
1 * 64
)
+ (32, if B slave)
= 71
dec
= 47
hex
3 0F
projected
parameter
4 xx
not
used
Response from device to fieldbus master
Byte no.
Value [hex]
Meaning
1
10
command processed, no error occurred
reflected command number
2
47
copy of the request
3
0F
feedback value can be different from preset value
4 xx
not
changed