Modbus addresses
54
BA-42820-02-V03
Water sampling station
EASYPRO
Operating instructions
Address
Read
Write
Description
Meaning
2104
x
The assigned input of the controller
n
0 = Sensor 1
n
1 = Sensor 2
n
2 = Sensor 3
n
3 = Sensor 4
n
4 = Virtual input 1
n
5 = Virtual input 2
n
6 = Virtual input 3
n
7 = Virtual input 4
n
8 = Timer switch
2105
x
Control output Y (active control)
500 = 50,0 % (2 Byte signed int)
x
x
Control output Y (only manual mode)
2106
x
Control output 2 Y2 (active control)
500 = 50,0 % (2 Byte signed int)
Second side if 2-side control is active.
x
x
Control output 2 Y2 (only manual mode)
2107 – 2108
x
x
Setpoint 1
Number of positions after the decimal point, see unit (4 bytes signed
int.).
2109 – 2110
x
x
Setpoint 2
If 2-side control is active (4 byte signed int).
2111
x
x
Xp
Number of positions after the decimal point, see unit (2 bytes unsigned
int.).
2112
x
x
D
Derivative time in s (2 byte unsigned int).
2113
x
x
I
Reset time in s (2 byte unsigned int).
2114
x
x
Minimum and maximum alarm
Write:
0 = clear alarm
Read:
Bit 0 = minimum alarm is active
Bit 1 = maximum alarm is active
2115
x
x
Y alarm
Write:
0 = clear alarm
Read:
Bit 0 = Y alarm is inactive
Bit 1 = Y alarm is active
2116
x
x
Manual mode
Bit 0: Manual mode on
Bit 1: Lower (with 2-side control)
Further non channel-related data.
2220 – 2223
x
Analogue outputs 1 – 4
421 = 4.21 mA (2 byte signed int)
Tab. 44: Modbus addresses
