ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Acyclic services for Profibus DPV1
DPV1 addresses in slot 0 for access via PLC
317
DPV1 addresses in slot 0
Byte no.
Index
of
to
Contents
¹)
Access
²)
r = read
w = write
Size
[Words]
0
31
M2 reflected parameters
r
16
32
155
M2 slave error counter
r
62
156
157
M2 configuration error counter
r
1
22
158
159
M2 AS-i cycle counter
r
1
0
63
M2 digital slave outputs
r/w
32
23
64 67
M2
reserved
2
24
0
149
M2 analogue slave outputs
r/w
75
25
0
159
M2 analogue slave outputs
r/w
80
0
127
M2 projected configuration data
r/w
64
26
128
159
M2 projected parameters
r/w
16
27
0
37
M2 command channel request
r/w
19
28
0
37
M2 command channel response
r
19
32
0
127
input data of the fieldbus
r/w
64
33
0
127
output data to the fieldbus
r
64
¹) M1 = master 1 / M2 = master 2
²) access always as from byte 0
NOTE
In the DPV1 address space a command channelCommand channelModbus command channel with a
length of 19 words is defined for each AS-i master (
following table):
DPV1 addresses
Start
End
dec.
hex.
dec.
Master
Command channel
Access
r = read
w = write
Size
[Words]
4794
12BA
4812
1
request
r / w
19
4813 12CD 4831
1
response
r
19
8890 22BA 8908
2
request
r
/
w
19
8909 22CD 8927
2
response
r
19
A DP master operates as host system. The commands are always triggered by the DP master by a
corresponding entry in its output data range. The AS-i master responds then in the input data area of
the host system.
