8. Setting of parameters
Page 112
105204
– WTS-300-E - V4.1 - 20.01.2022
Section 8.11: Level
“Configuration” (A parameters)
Configuration temperature sensor
Range
Def.
A50 Function of second sensor
0: deactivated
1: Safety temperature sensor
2: Heating temperature sensor
3: Sensor activation
(only for recording, no control function)
4: as 3: - but temperature is shown on the display
in OFF mode
0 .. 4
0
A51 Sensor type
(Sensor 1 / sensor 2)
0: KTY81/210
1: PT100 three-wire
2: PT1000
3: KTY81/110
0 .. 3
0
Configuration analogue input
Range
Def.
A54* Function analogue input 4 .. 20 mA
0: deactivated
1: Determination of litres via filling pressure
(see section 10.5)
2: Low pressure monitoring (antifreeze function)
(see section 10.8)
0 .. 2
0
A55 Error monitoring 4-20mA input
(F83)
0: deactivated
1: Alarm is activated when < 3.5 mA and > 21 mA
2: Alarm is activated when < 3.5 mA
0 .. 2
0
Configuration of analog inputs (I/O extension module)
Range
Def.
A56* Function analogue input I1
(4..20 mA)
(optional via I/O extension module)
0: deactivated
1: litre determination via filling pressure
2: Low pressure monitoring (see section 10.8)
0 .. 2
0
A57*
Function analogue input
I2
(4..20 mA)
(optional via I/O extension module)
0: deactivated
1: litre determination via filling pressure
2: Low pressure monitoring (see section 10.8)
0 .. 2
0
A58 Fault monitoring 4..20 mA input (F83)
Alarm at less than 3.5 mA
0: deactivated
1: activated, alarm when I1 is less than 3.5mA
2: activated, alarm when I2 is less than 3.5mA
3: activated, alarm if I1 or I2 is less than 3.5 mA
0 .. 3
0
* Prioritisation of analogue inputs (parameter [A54 => A56 => A57]).
Example: If low pressure monitoring was parameterised in parameter [A54],
the same setting in parameters [A56 + A57] would be ignored.
