3.3.1 Connecting the BMS (Business Management System) Modbus RTU
The following MODBUS functions are supported by the VMI® PRO 1000 system:
Code
Type de Register
0x01
Read Coil Status
0x02
Read Input Status
0x03
Read Holding Register
0x04
Read Input Register
0x05
Force Single coil
0x06
Preset Single Register
0x16
Mask Write Register
Modbus tables:
Acces
Datum
s
Register
address
R/W
00001 0
R/W
00002 1
R/W
00003 2
R/W
00004 3
W
00005 4
R
10001 0
R
10002 1
R
10003 2
R
10004 3
R
10005 4
R
10006 5
R
10007 6
R
30001 0
R
30002 1
R
30003 2
R
30004 3
R
30005 4
R
30006 5
R
30007 6
R
30008 7
R
30009 8
R
30010 9
R
30011 10
R
30012 11
R
30013 12
R
30014 13
Register numbers
1 – 9999
10001 – 19999
40001 - 49999
30001 – 39999
Datum
Boost
Preheating
Holidays
Fixed
Filter reset
Failures
Standby
Filter Failures
Motor Failures
Resistor Failure
Probe Failure
Sensor Failure
Supply flow
Supply temperature
Outdoor temperature
Supply humidity
Outdoor humidity
Duration of operation
Sensor 1: Room
Sensor 1: Temperature
Sensor 1: Humidity
Sensor 1: C02
Sensor 1: PM01
Sensor 1: PM2_5
Sensor 1: PM10
Sensor 1: Battery
Read n consecutive output bits
Read n input bits
Read n internal or output words
Read n input words
Entry of 1 bit
Entry of 1 word
Entry of n words
Values
Additional information
1 if active
Boost mode status
1 if active
Preheating status
1 if active
Holiday mode status
1 if active
Fixed mode status
1: reset
Reset the filter
1 if failure
Global error
1 if active
Standby mode status
1 if failure
No filter or filter full
1 if failure
Indicates a motor failure
1 if failure
Indicates a resistor failure
1 if failure
Indicates a probe failure
1 if failure
Indicates a sensor failure
m3/h
From 200 to 1,000
°C
(Value + 40) * 10
°C
(Value + 40) * 10
%
Relative humidity
%
Relative humidity
Days
200= 200d
1: Living room; 2: Kitchen;
3: Bathroom 1
4: Bathroom 2; 5: Bedroom 1;
From 1 to 10
6: Bedroom 2; 7: Bedroom 3;
8: Bedroom 4; 9: Laundry space;
10: Corridor
°C
(Value + 40) * 10
%
Relative humidity
Ppm
Future use
Future use
Future use
%
Type of function
31