Danfoss FC 300 Design Guide

FC 300 Design Guide
How to Program
" Control Word Accord ing to FC Pro file (CTW)
To select the 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 (adj. frequency drive).
Master => slave
1 2 3 ..... 10
CTW MRV PCD ..... PCD
PCD read/write
Explanation of the Control Bits
Bit Bit value = 0 Bit value = 1
00 Reference value e x ternal selection lsb
01 Reference value external selection msb
02 DC brake Ramp
03 Coasting No coasting
04 Quick stop Ramp
05 Freeze output use ramp
06 Ramp stop Start
07 No func tion Reset
08 No function Jog
09 Ramp 1 Ramp 2
10 Data not valid Data valid
11 Relay 01 open Relay 01 active
12 Relay 02 open (FC 302 only) Relay 02 active (FC 302 only)
13 Pa rameter set-up selection lsb
14 Parameter set- up selection msb
15 No func tion Reverse
Bits 00/01
Usebits00and01tochoosebetweenthefour
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 corre sponding
function on the digital inputs.
Programmed ref.
value
Par. Bit 01 Bit 00
13-10[0]00
23-10[1]01
33-10[2]10
43-10[3]11
Bit 02, DC brake:
Bit 02 = ’0’: DC braking and stop. Set braking current and d uration in par. 2 -01 DC Brake
Current and 2-0 2 DC Braking Time. Bit 0 2 = ’1’ leads to ramping.
*
default setting ()display text []value for use in communication via serial communication port
277
MG.33.B
6.22 - V LT is a registered Danfoss trademark

Danfoss FC 300 Specifications

General

Brand	Danfoss
Model	FC 300
Category	DC Drives
Language	English