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8.2.5.18 READ_MFK_PARAM
Use this command to read multiple commands of a SEW MFK21 slave.
Byte
1
2
3
4
5
6
Byte
1
2
3
4
n+2
8.3
Command Interface Examples
You can find actual command interface examples in the download area of the
homepage.
8.3.1
Reading 16-Bit Input Values
Command RD_7X_IN: Reading of 16-bit input values.
PROFIBUS DP V0: cyclic data exchange
Used ID/module in the GSD file: 12 bytes management
Meaning of the bytes:
Byte 1
Byte 2
Byte 3
Byte 4
...
Byte 12 00
Subject to reasonable modifications due to technical advances.
76
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7
6
5
2
2
2
T
–
7
6
5
2
2
2
T
Request: RD_7X_IN
50
(RD_7X_IN)
hex
00
(master 1, single master)
hex
1D
(slave address 29)
hex
00
hex
...
hex
Command Interface
Request
4
3
2
2
0x59
circuit
slave
index high
index low
number (n)
Response
4
3
2
2
0x59
result
prm byte (index)
prm byte (index+1)
prm byte (index+n-1)
AS-Interface
2
1
0
2
2
2
2
1
0
2
2
2
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