1592001431 XC650CX GB r3.5 21.07.2020 XC650CX 9/56
5. WIRING & ELECTRICAL CONNECTIONS
5.1 General warnings
Before connecting cables make sure the power supply complies with the instrument’s
requirements.
Separate the probe cables from the power supply cables, from the outputs and the power
connections.
Do not exceed the maximum current allowed on each relay 5A resistive, in case of heavier
loads use a suitable external relay.
5.2 Wiring connections
NOTE
24V version: use terminals 1-2 for power supply;
5.3 Probes connection
5.3.1 General warnings
Pressure probe (4 - 20mAor ratiometric): respect the polarity. If using terminal ends be sure
there are no bear parts which could cause short circuiting or introduce noise disturbance at high
frequencies. To minimize the induced disturbances use shielded cables with the shield connected
to earth.
Temperature probe: it is recommended to place the temperature probe away from direct air
streams to correctly measure the temperature.
5.3.2 Probe wirings
Low voltage side : Keep the cables away from the power cables. Use shielded cable to lengthen the
cables.
NOTE1: The PIN 4 is the common line for the temperature probes
NOTE2: The PIN 6 gives a 12Vdc supply for the 4-20mA pressure transducers
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