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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
204
10.1.20
Module 7, command 62 (3Ehex) – [Continuous Command]
operating mode
5670
In the continuous mode the current command is transmitted in each cycle.
NOTE
The continuous mode influences the performance of the device.
►
Use only for reading commands!
Request from fieldbus master to device
Bit
Byte no.
7
6
5
4
3
2
1
0
1
0
0
62
dec
= 3E
hex
2
reserved = 0
3
Mod/Stat
4
Com-Mod
Legend:
Mod/Stat
mode / status
1 byte
00 = reads the current status
01 = changes the mode
Com-Mod
command mode
1 byte
00 = [single command] = commands are only executed when the
command number is changed
01 = [continuous command] = commands are executed cyclically
Response from device to fieldbus master
Bit
Byte no.
7
6
5
4
3
2
1
0
1
E
B
reflected command number
2
copy of the request
3
copy of the request
4
copy of the request
Legend:
E
error bit
1 bit
0 = no error detected
1 = error when executing the command
B
busy
1 bit
0 = command processed, buffer response valid
1 = command in process, channel used