ProMinent Beta BT4b - 7.2 Description of the Terminals; 7.2.1 External Control Terminal

7.2 Description of the Terminals
7.2.1
"External Control" Terminal
The "external control" terminal is a five-pole panel terminal. It is
compatible with two
- and four-pole cables.
The "Auxiliary Frequency" function can only be used with a five-pole
cable.
Electrical interface for pin 1 "Pause" - pin 2 "Extern Contact" - pin 5
"Auxiliary frequency"
Specification Value Unit
Voltage with open contacts 5 V
Input resistance 10 kΩ
Max. pulse frequency 25 pulse/s
Minimum pulse duration 20 ms
Activation via:
n zero volt connection contact (load
: 0.5 mA at 5 V) or
n semi-conductor switch (residual voltage < 0.7 V)
Pin Function 5-wire cable 2-wire cable
1 Pause brown bridged at pin 4
2 Extern Contact white brown
3 - blue -
4 Ground mass black white
5 Auxiliary
Frequency
grey -
Refer to the Description of Functions for the hierarchy of
functions and operation modes.
The pump does not work if:
n the cable is connected and pin 1 and pin 4 are open.
The pump works if:
n the cable is connected and pin 1 and pin 4 are connected
.
n no cable is connected.
The pump performs one or more strokes if:
n Pin 2 and pin 4 are connected to each other for at least 20 ms
.
Pin 1 and pin 4 then also have to be connected to each other.
The pump works at a preset stroke rate if:
n Pin 5 and pin 4 are connected to each other. Pin 1 and pin 4 then
also have to be connected to each other. The auxiliary frequency
is factory-preset to maximum stroke rate.
1
54
2
3
P_BE_0014_SW
Fig. 5: Assignment on the pump
2
45
1
3
P_BE_0015_SW
Fig. 6: Assignment on the cable
"Pause" function
"Extern Contact" operating mode
"Auxiliary frequency" operating mode:
Electrical Installation
22