Specifications

Coil
Number
Description Signal
Direction
1-16 Frequency converter control word
(see Table 7.16)
Master to
follower
17-32 Frequency converter speed or set-
point reference Range 0x0-0xFFFF
(-200% ... -200%)
Master to
follower
33-48 Frequency converter status word
(see Table 7.16 and Table 7.17)
Follower to
master
49-64 Open loop mode: Frequency
converter output frequency
Closed loop mode: Frequency
converter feedback signal
Follower to
master
65 Parameter write control (master to
follower)
Master to
follower
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.
66-65536 Reserved
Table 7.14 Coil Register
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 freq. No freeze freq.
07 Ramp stop Start
08 No reset Reset
09 No jog Jog
10 Ramp 1 Ramp 2
11 Data not valid Data valid
12 Relay 1 off Relay 1 on
13 Relay 2 off Relay 2 on
14 Set up LSB
15
16 No reversing Reversing
Table 7.15 Frequency Converter Control Word (FC Profile)
Coil 0 1
33 Control not ready Control ready
34 Frequency converter not
ready
Frequency converter ready
35 Coasting stop Safety closed
36 No alarm Alarm
37 Not used Not used
38 Not used Not used
39 Not used Not used
40 No warning Warning
41 Not at reference At reference
42 Hand mode Auto mode
43 Out of freq. range In frequency range
44 Stopped Running
45 Not used Not used
46 No voltage warning Voltage warning
47 Not in current limit Current limit
48 No thermal warning Thermal warning
Table 7.16 Frequency Converter Status Word (FC Profile)
RS-485 Installation and Set...
VLT
®
HVAC Basic Drive FC 101 Design Guide
MG18C502 - Rev. 2013-09-06 89
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