WIKA CPG2300 Series, Operating Instructions Manual

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16 Operating Instructions CPG2300 Series
Portable Digital Pressure Gauge
CPG2300 Series
5.4 Electrical Connections
For RS-232 serial port operation, connect the CPG2300 to the host computer per Fig-
ure 5.4a. Notice that the host TRANSMIT line is connected to the CPG2300 RECEIVE
line (TX to RX), and vice versa.
The power connector is a 2.1 mm standard power jack. The center pin is +12 Vdc and
the outside is ground (see Figure 5.4b).
Figure 5.4a - RS-232 Hookup
Figure 5.4b - DC Input
5.5 Power On
After the pressure connections are secure, press the power switch ( ). The CPG2300
will run through a brief initialization sequence and then will display the sensor channel(s)
that was active when turned off last.