Danfoss VLT 5000 Instruction Manual page 21

Message EXAMPLE 2: Ramp Stop Motor
Translation
Message sent to Modbus R Message sent to Modbus R Message sent to Modbus R Message sent to Modbus R Message sent to Modbus RTU option car
Examples
(continued)
Address
Force Data
Coils (8-15)
Modbus message string:
[01] [0F] [00] [00] [00] [20] [04] [3C] [04] [00] [00] [89] [19]
Message retur Message r Message r Message r Message r
EXAMPLE 3: Coast Stop Motor
Message sent to Modbus R Message sent to Modbus R Message sent to Modbus RTU option car
Message sent to Modbus R Message sent to Modbus R
Force Data
Coils (8-15)
Modbus message string:
[01] [0F] [00] [00] [00] [20] [04] [20] [2C] [00] [00] [ -- ]
Message retur Message r Message r Message r Message r
20
Byte 0 Byte 1 Byte 2
Slave Function Coil Addr HI
01 0F
Byte 8 Byte 9 Byte 10
Force Data HI Force Data
LO Coils (16-23)
Coils (24-31)
04 00
Stop Command: 0000010000111100 = 043C
(see FC Protocol Control Word Bit Descriptions)
Speed Command: 0%
eturned to Modbus master fr etur etur etur ned to Modbus master fr ned to Modbus master fr ned to Modbus master from Modbus R ned to Modbus master fr
Byte 0 Byte 1
Slave Function
Address
01 0F
All values are in hexadecimal.
Byte 0 Byte 1
Slave Function Coil Addr HI
Address
01 0F
Byte 8 Byte 9 Byte 10
Force Data HI Force Data
LO Coils (16-23)
Coils (24-31)
2C 00
Coast Command: 0010110000100000 = 2C20
(see FC Protocol Control Word Bit Descriptions)
Speed Command: 0%
etur eturned to Modbus master fr etur etur ned to Modbus master fr ned to Modbus master fr ned to Modbus master fr ned to Modbus master from Modbus R
Byte 0 Byte 1
Slave Function
Address
01 0F
TU option car TU option car TU option car TU option card fr d fr d from Modbus master d fr d fr om Modbus master om Modbus master om Modbus master om Modbus master
Byte 3 Byte 4
Coil Addr LO # of Coils HI
00 00
Byte 11
Error Check
LO
00 [89] [19]
om Modbus R om Modbus R om Modbus RTU option car om Modbus R
Byte 2 Byte 3
Coil Addr HI Coil Addr LO
00 00
TU option car TU option card fr TU option car d fr d from Modbus master d fr om Modbus master om Modbus master om Modbus master
TU option car d fr om Modbus master
Byte 2 Byte 3 Byte 4
Coil Addr LO # of Coils HI
00 00
Byte 11
Error Check
LO
00 --
om Modbus R om Modbus R om Modbus RTU option car om Modbus R
Byte 2 Byte 3
Coil Addr HI Coil Addr LO
00 00
MG.10.P2.22 - VLT is a registered Danfoss trademark
Byte 5 Byte 6
# of Coils LO Byte Count
00 20 04
(reversed)
HEX
TU option car TU option car TU option car TU option card d d d d
Byte 4 Byte 5
No. of Coils No. of Coils
HI LO
00 20
Byte 5 Byte 6
# of Coils LO Byte Count
00 20 04
(reversed)
HEX
TU option car TU option car TU option car TU option card d d d d
Byte 4 Byte 5
No. of Coils No. of Coils
HI LO
00 20
Byte 7
Force Data HI
Coils (0-7)
3C
Byte 6
Error Check
--
Byte 7
Force Data HI
Coils (0-7)
20
Byte 6
Error Check
--