6. Electrical and Output 66–75
66. What power supply does the capacitive level switch require?
The required power supply depends on the selected electronic configuration and should be specified on the product datasheet.
67. What output signals are available?
Depending on the model, relay, transistor, or other switching outputs may be available.
68. Can it directly control a pump?
It can provide a switching signal for pump control, but an appropriate relay, contactor, PLC, or control system may be required depending on the pump load.
69. Can it connect to a PLC?
Yes. A compatible switching output can be connected to a PLC or industrial control system.
70. Can it be used as a high-level alarm?
Yes.
71. Can it be used as a low-level alarm?
Yes.
72. Can it provide overflow protection?
Yes. A high-level installation can provide an additional overflow protection signal.
73. Can it provide pump dry-run protection?
Yes. A low-level configuration can be used to detect insufficient liquid before pump operation.
74. Is a capacitive level switch suitable for automatic control?
Yes. Its switching output can be integrated into automatic process control systems.
75. Can the switching logic be configured as normally open or normally closed?
Depending on the electronic configuration, switching logic can be provided or configured to meet the control-system requirements.
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