Danfoss VLT Micro Drive FC 51 Series User Manual

Coil number Description Signal direction
1 - 16 Frequency converter control word (see table below) Master to slave
17 - 32 Frequency converter speed or set-point reference
Range 0x0 - 0xFFFF (-200% ... ~ 200%)
Master to slave
33 - 48 Frequency converter status word (see table below) Slave to master
49 - 64 Open loop mode: Frequency converter output fre-
quency
Closed loop mode: Frequency converter feedback
signal
Slave to master
65 Parameter write control (master to slave)
0 = Parameter changes are written to the RAM of
the frequency converter
1 = Parameter changes are written to the RAM and
EEPROM of the frequency converter
Master to slave
66 - 65536 Reserved
Coil 0 1
01 Preset reference LSB
02 Preset reference MSB
03 DC brake No DC brake
04 Coast stop No coast stop
05 Quick stop No quick stop
06 Freeze outp No freeze outp
07 Ramp stop Start
08 No function Reset
09 No jog Jog
10 Ramp 1 Ramp 2
11 Data not valid Data valid
12 Relay 1 off Relay 1 on
13 Not used Not used
14 Setup 1 Setup 2
15 Not used Not used
16 No reversing Reversing
Frequency converter control word (FC profile)
Coil 0 1
33 Control not ready Control ready
34 Unit not ready Unit ready
35 Coasted Not coasted
36 Error, tripped
37 Error, no trip
38 Not used Not used
39 Error, trip locked
40 No warning Warning
41 Not on reference On reference
42 Hand mode Auto mode
43 Out of freq. range In frequency range
44 Not running Running
45 No res. brake fault Resistor brake fault
46 No voltage warning Voltage warning
47 Not in current limit Current limit
48 No thermal warning Thermal warning
Frequency converter status word (FC profile)
Register number Description
00001 – 00006 Reserved
00007 Last error code. See section
Exception and Error Codes .
00008 Reserved
00009 Parameter index*
00100 – 00999 000 parameter group (parameters 001 through 099)
01000 – 01999 100 parameter group (parameters 100 through 199)
02000 – 02999 200 parameter group (parameters 200 through 299)
03000 – 03999 300 parameter group (parameters 300 through 399)
04000 – 04999 400 parameter group (parameters 400 through 499)
……
49000 – 49999 4900 parameter group (parameters 4900 through 4999)
50000 Input data: Frequency converter control word register (CTW).
50010 Input data: Bus reference register (REF).
……
50200 Output data: Frequency converter status word register (STW).
50210 Output data: Frequency converter main actual value register (MAV).
Table 5.1: Holding Registers
* Used to specify the index number to be used when accessing an indexed parameter
5 Modbus RTU VLT
®
Micro Drive FC 51 Operating Instructions
28 MG.02.A4.02 - VLT
®
is a registered Danfoss trademark
5

Danfoss VLT Micro Drive FC 51 Series Specifications

General

Brand	Danfoss
Model	VLT Micro Drive FC 51 Series
Category	Media Converter
Language	English