Danfoss FCM 300 PROFIBUS, Manual, Page: 22 / 39

MG.90.A2.02 – VLT is a registered Danfoss trademark
22
FCM 300 PROFIBUS / VLT 2800 PROFIBUS
Control word
The control words are used to send control
commands to the frequency converter when the
telegram is sent from the master.
■
Control word / status word
The bits of the “Control word” tell the VLT how to
react, while the “Status word” bit status will tell the
master the condition of the VLT.
Control word
According to PROFIDRIVE control word (para. 512=0) According to VLT standard (para. 512=1)
Bit Bit = 0 Bit = 1 Bit = 0 Bit = 1
00 (LSB) OFF 1 ON 1 Preset reference
01 OFF 2 ON 2
02 OFF 3 ON 3 DC brake Ramp
03 Motor coasting Enable Coasting Enable
04 Quick-stop Ramp Quick-stop Ramp
05 Freeze output frequency Ramp enable Freeze output Ramp enable
06 Ramp stop Start Ramp stop Start
07 No function Reset No function Reset
08 Jog 1 OFF ON No function Jog
09 Jog 2 OFF ON
10 Data not valid Valid Data not valid Valid
11 No function Slow down No function
12 No function Catch-up No function
13 Setup select Setup select
14
15 (MSB) No function Reversing No function Reversing
The FC motor Series Design Guide (MG.03.BX.02) and the VLT 2800 Series Design Guide (MG.28.EX.02) holds a
detailed description of the control word.
DP
Status word
When the frequency converter returns the frame to
the master, the same two bytes operate as status
from the frequency converter with the following
functions:
Status word
According to PROFIDRIVE control word (para. 512=0) According to VLT standard (para. 512=1)
Bit Bit = 0 Bit = 1 Bit = 0 Bit = 1
00 (LSB) Control not ready Ready
01 VLT not ready Ready VLT not ready Ready
02 Motor coasting Enable Coasting Enable
03 No fault Trip No fault Trip
04 ON 2 OFF 2 R e s e r v e d
05 ON 3 OFF 3 R e s e r v e d
06 Start enable Start disable R e s e r v e d
07 No warning Warning No warning Warning
08 Speed
≠
ref. Speed = ref. Speed
≠
ref. Speed = ref.
09
10 Out of range Frequency OK Out of range Frequency OK
11 Not running Running Not running Running
12
13 Voltage OK Limit Voltage OK Above limit
14 Torque OK Limit Current OK Above limit
15 (MSB) No thermal warning Thermal warning No thermal warning Thermal warning
The FC motor Series Design Guide (MG.03.BX.02) and the VLT 2800 Series Design Guide (MG.28.EX.02 ) holds a
detailed description of the status word.