CORRIGO E VENTILATION VARIABLES FOR EXOLINE AND MODBUS 3.6 MANU

Chapter 7 Frequency converters 77
ECBlue
ECBlue frequency converters are controlled via Modbus. Communication, alarms and certain
indications can be read.
The following signals can be read/written from/to the frequency converter:
Address
Modbus register
Name
Scale
Type
3
30003,40003
FB Speed reference (SP)
1
%
5
30005,40005
FB Control word
-
0 = Off
3 = On
15
30015,40015
RPM
Rpm
16
30016,40016
Current
100
A
34
30034,40034
Output
1
kW
21
30021,40021
DC voltage
1
V
13
30013,40013
Alarm
-
Error code
Eltwin A/S EC controller (for heat exchangers)
Communication takes place using address 7, 9600 bps, 8 bits, no parity and 1 stop bit.
Version 1.01, 2015-04-03
Address
Modbus register
Name
Scaling
Type
1
30001
Running mode
-
Bit 0 = Operation
0: Stop
1: Run
Bit 3 = Reset
1: Reset
2
30002
Speed
1
0…100.0 %
3
30003
Supply voltage
-
V(RMS)
4
30004
Error code
1
Bit 0: Excess
current/Ground fault
Bit 1: Excess current
from DC link 265V~
Bit 2: Undervoltage
from DC link 170V~
Bit 3: Hardware error
Bit 4: External error,
input
Bit 5: Overload
Bit 6: Overheating,
stop
Bit 7: Overheating,
reduced
Bit 8: Rotor cover
error
Bit 9: Rotor cover
input
Bit 10: DIP 1
Bit 11: DIP 2
Bit 12: DIP 3
Bit 13: DIP 4
Bit 14: Not used
Bit 15:
Communication error
5
30005
Speed output
1
RPM
6
30006
Voltage output
1
Volt
7
30007
Motor current, DC link
1
mA
8
30008
Motor output
1
W