Danfoss VLT 5000, Instruction Manual

Page: 20 / 33

19
MG.10.P2.22 - VLT is a registered Danfoss trademark
Message
Translation
Examples
EXAMPLE 1: Start Motor, Run Speed 40%
All values are in hexadecimal.
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7
Slave
Address
Function Coil Addr HI Coil Addr LO # of Coils HI # of Coils LO Byte Count Force Data HI
Coils (0-7)
01 0F 00 00 00 20 04 7C
Byte 8 Byte 9 Byte 10 Byte 11
Force Data
LO
Coils (8-15)
Force Data HI
Coils (16-23)
Force Data
LO
Coils (24-31)
Error Check
04 99 19 [37] [43]
Message r Message r
Message r Message r Message retur
etur
etur etur eturned to Modbus master fr
ned to Modbus master fr
ned to Modbus master fr ned to Modbus master fr ned to Modbus master from Modbus R
om Modbus R
om Modbus R om Modbus R om Modbus RTU option car
TU option car
TU option car TU option car TU option card
d
d d d
Modbus function 0F
HEX
( Force Multiple Coils ).
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 TU option car TU option car TU option car TU option card fr d fr d fr d fr d from Modbus master om Modbus master om Modbus master om Modbus master om Modbus master
Modbus message string:
[01] [0F] [00] [00] [00] [20] [04] [7C] [04] [99] [19] [37] [43]
{
Start Command: 0000010001111100 = 047C
HEX
(reversed)
(see FC Protocol Control Word Bit Descriptions )
Modbus message string:
[01] [0F] [00] [00] [00] [20] [04] [7C] [04] [99] [19] [37] [43]
{
NOTE: Speed Command: 4000
HEX
= 100% speed
40% of 4000
HEX
= 1999
HEX
(reversed)
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6
Slave
Address
Function Coil Addr HI Coil Addr LO No. of Coils
HI
No. of Coils
LO
Error Check
01 0F 00 00 00 20 [54] [13]
All manuals and user guides at all-guides.com