S&P CTBH ECOWATT Serie Mode D'emploi page 25

MODBUS message
Direction Function
8 bits 8 bits
Format for each byte in RTU mode is:
• System codes: 8–bit binary
• Bits per Byte: 1 bit to START (start)
8 bits for data, the most significant bit is sent first
1 bit for parity (Even parity is required)
1 bit for STOP (end)
7.2. MODBUS MEMORY MAP
Holding registers
N°REG. Register
0 TipoMotor
1 ModoFun
2 SensorPI
3 Sensor1
4 Sensor2
5 PIRange
6 SetPoint
7 Kp
Dates CRC verification
N x 8bits 16 bits
Min. Max. Description
0 1
0=PI_Pressure
1=PI_Airflow
2=Proportionnel
3=Max-Min
0 7
4=PI_Presión+RTC
5=PI_Caudal+RTC
6=Proporcional+RTC
7=Max-Min+RTC
0=Internal
1=IN1 0-10V
0 4 2=IN1 4-20mA
3=IN2 0-10V
4=IN2 4-20mA
1=0-10V %HR
2=4-20mA %HR
3=0-10V °C
0 7
4=4-20mA °C
5=0-10V CO2
6=4-20mA CO2
7=NTC 100K
1=0-10V %HR
2=4-20mA %HR
0 6 3=0-10V °C
4=4-20mA °C
5=0-10V CO2
6=4-20mA CO2
50 1250 SensorPI=0
50 2500 SensorPI<>0
100 9900 Sensor<>0
0=Internal
1=IN1 0-10V
2=IN1 4-20mA
0 5 3=IN2 0-10V
4=IN2 4-20mA
5=ConsolaMODBUS
(PROSYS ECOWATT)
1 250 Increases 1
Default
0=AC
1
1=DC
0
0
0=NO
0
0=NO
0
400Pa
5
20
Comments
Motor type
Operation mode
Sensor type in PI
PRESSURE or PI VOLUME
mode
Sensor type in
PROPORTIONAL mode
and analog input signal 1
Sensor type in
PROPORTIONAL mode
and analog input signal 2
Range sensor in PI
PRESSURE mode
Set point in PI PRESSURE
mode
Proportional constant in PI
PRESSURE mode
25
EN