Danfoss VLT AutomationVTDrive FC322 Design Manual page 220

Automation VT Drive FC322 Design Guide
7.10.3 Force/Write Multiple Coils (0F HEX)
This function forces each coil in a sequence of coils to either ON or OFF. When broadcast the function forces the same coil references in all attached
slaves. .
The query message specifies the coils 17 to 32 (speed set-point) to be forced.
Field Name
Slave Address
Function
Coil Address HI
Coil Address LO
Quantity of Coils HI
Quantity of Coils LO
Byte Count
Force Data HI
(Coils 8-1)
Force Data LO
(Coils 10-9)
Error Check (CRC)
Response
The normal response returns the slave address, function code, starting address, and quantity of coiles forced.
Field Name
Slave Address
Function
Coil Address HI
Coil Address LO
Quantity of Coils HI
Quantity of Coils LO
Error Check (CRC)
MG.20.X1.22 - VLT
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7 RS-485 Installation and Set-up
Example (HEX)
01 (frequency converter address)
0F (write multiple coils)
00
10 (coil address 17)
00
10 (16 coils)
02
20
00 (ref. = 2000hex)
-
Example (HEX)
01 (frequency converter address)
0F (write multiple coils)
00
10 (coil address 17)
00
10 (16 coils)
-
®
is a registered Danfoss trademark
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