1150.11E
January 2007
www.produal.fi
Enquiries: T:
05 230 9200
F:
05 230 9210
Copyright
2005 Produal Oy. All rights reserved
Products meet the requirements of directive 89/336/EEC and standards EN50081-1: 1992 (Emission) and EN50082-2: 1995 (Immunity).
Modbus
Registers
The controller supports the following Modbus registers and function codes. The default communication speed is
9600 bps, 8 data bits, Parity None and 1 Stop Bit.
Register
Parameter Description
Data Type
Range
FUNCTION CODE 01 - READ COILS
1
Overdrive mode
Bit0
On - Off
2
NIGHT- mode
Bit1
On - Off
3
SERVICE ALARM
Bit2
On - Off
5
Fan Speed 1 asked
Bit4
On - Off
6
Fan Speed 2 asked
Bit5
On - Off
7
Fan Speed 3 asked
Bit6
On - Off
8
Fan Speed 4 (Auto) asked
Bit7
On - Off
FUNCTION CODE 02 - READ DISCRETE INPUTS
1
Occupied by PIR ( NIGHT mode to DAY-mode )
Bit0
On - Off
2
Manually Occupied ( NIGHT mode to DAY-mode )
Bit1
On - Off
3
DAY EXTENSION ( NIGHT mode to DAY-mode )
Bit2
On - Off
4
EXT.S (External Sensor)
Bit3
On - Off
5
Fan Speed 1 run
Bit4
On - Off
6
Fan Speed 2 run
Bit5
On - Off
7
Fan Speed 3 run
Bit6
On - Off
FUNCTION CODE 03 - READ HOLDING REGISTERS
2
Coils 16 - 01
16 bit
3
Fan Speed (Set by Network)
Signed 16
0 - 1 - 2 - 3 - 4
4
Cooling Output (Set by Network)
Signed 16
0,0 … 100,0 (%)
5
Heating Output (Set by Network)
Signed 16
0,0 … 100,0 (%)
6
Set Point (Set by Network)
Signed 16
5,0 … 37,0 (C)
13
DAY EXTENSION period
Signed 16
1 … 480 (min)
FUNCTION CODE 04 - READ INPUT REGISTERS
1
Discrete Inputs 16 - 01
16 bit
2
Coils 16 - 01
16 bit
3
Fan Speed (Set by Network)
Signed 16
0 - 1 - 2 - 3 - 4
4
Cooling Output (Set by Network)
Signed 16
0,0 … 100,0 (%)
5
Heating Output (Set by Network)
Signed 16
0,0 … 100,0 (%)
6
Set Point (Set by Network)
Signed 16
5,0 … 37,0 (C)
7
Temperature
Signed 16
-60,0 … 60,0 (C)
8
CO2
Signed 16
0 … 2000 (ppm)
9
Current Cooling Output
Signed 16
0,0 … 100,0 (%)
10
Current Heating Output
Signed 16
0,0 … 100,0 (%)
11
Current Fan Speed
Signed 16
0 - 1 - 2 - 3
