Control Word According To Fc Profile (Ctw) - Danfoss VLT AutomationDrive FC 300 Design Manual

FC 300 Design Guide

Control Word According to FC Profile (CTW)

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To select FC protocol in the control word, set par.
8-10 Control word profile to FC protocol [0]. The
control sends commands from a master (PLC or
PC) to a slave (adjustable frequency drive).
Explanation of the Control Bits
Bit
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Bits 00/01
Use bits 00 and 01 to choose between the four
reference values, which are pre-programmed in par.
3-10 Preset reference according to the shown table:
NOTE
Make a selection in par. 8-56 Preset
Reference Select to define how Bit
00/01 gates with the corresponding
function on the digital inputs.
* default setting ( )
How to Program
Bit value = 0
Reference value
Reference value
DC brake
Coasting
Quick stop
Freeze output
Ramp stop
No function
No function
Ramp 1
Data not valid
Relay 01 open
Relay 02 open
Parameter set-up
Parameter set-up
No function
display text [ ] value for use in communication via serial communication port
MG.33.B3.22 - VLT is a registered Danfoss trademark
Master => slave
1 2 3
CTW MRV PCD
PCD read/write
Bit value = 1
external selection lsb
external selection msb
Ramp
No coasting
Ramp
use ramp
Start
Reset
Jog
Ramp 2
Data valid
Relay 01 active
Relay 02 active
selection lsb
selection msb
Reverse
Programmed ref. Par.
value
1 3-10 [0]
2 3-10 [1]
3 3-10 [2]
4 3-10 [3]
..... 10
..... PCD
Bit 01 Bit 00
0 0
0 1
1 0
1 1
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