9.1.2
Function code 6, write 16-bit parameter
Example 1:
Writing of parameter
Rated Mech. Power
dress 3.
The rated mechanical power is to be set to 1.5 kW. Parameter
imal place. Thus the value to be sent is 15 = 0x000F.
Request: Master frequency inverter
Field:
Transaction ID
Hex
nn
nn
Response: Frequency inverter Master
Field:
Transaction ID
Hex
nn
nn
The response is the reflected signal of the request message.
Example 2:
Writing of non-permissible value 0 in parameter
frequency inverter with address 3.
Request: Master frequency inverter
Field:
Transaction ID
Hex
nn
nn
Error response: Frequency inverter Master
Field:
Transaction ID
Hex
nn
nn
The sent exception condition code is the hexadecimal value 0x04 = Error SLAVE device.
10/13
376 (0x0178) in dataset 4 of frequency inverter with ad-
MBAP
Protocol ID
Length
nn
nn
00
06
MBAP
Protocol ID
Length
nn
nn
00
06
MBAP
Protocol ID
Length
nn
nn
00
06
MBAP
Protocol ID
Length
nn
nn
00
03
ACU
Modbus/TCP
Rated Mech. Power
Unit
Func.
DSet/ParNo.
ID
01
06
41
Unit
Func.
DSet/ParNo.
ID
01
06
41
376 (0x0178) in dataset 2 of
Rated Mech. Power
Unit
Func.
DSet/ParNo.
ID
03
06
21
Unit
Func.
Excep.
ID
03
86
04
376 has one dec-
Par.value
78
00
0F
Par.value
78
00
0F
Par.value
78
00
00
45
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