Electrical Connection Of Potential-Free Pressure Switches; Electrical Connection For A 2-Wire Test Item - WIKA CPH6000 Betriebsanleitung

6. Commissioning, operation

6.2.3 Electrical connection of potential-free pressure switches

Only potential-free (passive) switches, as shown in the drawing and using the supplied test cable, should be connected to the
pressure calibrator.
A current or voltage input could damage the CPH6000.
Potential-free switches

6.2.4 Electrical connection for a 2-wire test item

Before connecting a test item, the instructions in chapter 4.2 "Electrical connections" should be read and then followed.
Example:
Wiring diagram of a pressure sensor from WIKA (2-wire connection) which
must be checked/calibrated.
Example
Test item is a pressure sensor from WIKA with a mA signal:
▶
Without its own power supply, the DC 24 V voltage must be activated via the menu (see chapter 6.8 "Operating modes")
WIKA operating instructions, pressure calibrator model CPH6000
Switching types:
Normally closed/
normally open
Low/High window
EN
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