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Users Manual WP 900 UHF.pdf - Jotron

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Installation Guide<br />

T942C- and T942C/2 Central Unit<br />

TD 91684GB<br />

Handook page<br />

15/128<br />

1.3.9 Connection of Supply Voltage<br />

1 Connect the supply voltage to connector J03 screw 1 and 2. (See also the<br />

document System Installation, under Power Supply.)<br />

Supply voltage in<br />

Supply voltage out<br />

to other units<br />

Supply voltage out to<br />

digital inputs/outputs<br />

J03<br />

1 +12V<br />

2 GND<br />

3<br />

4<br />

5<br />

6<br />

Figure 15. Connector J03<br />

Note: If the digital inputs and outputs are to be used they must be provided with supply<br />

voltage.<br />

2 Supply the digital inputs and outputs with voltage via connections between J03 and<br />

J11/J12 (see drawing below).<br />

J03<br />

1 +12V in<br />

2 GND in<br />

3<br />

4<br />

5<br />

6<br />

J11<br />

1 +12V<br />

to external<br />

digital inputs<br />

6 GND<br />

J12<br />

1 +12V<br />

to external<br />

6 GND<br />

digital outputs<br />

Figure 16. Connection of digital inputs or outputs.<br />

If galvanic isolation is required, remove the connections between J03 J11/J12, and<br />

connect a separate power supply to J11/J12.<br />

2003-01-08 / Rev.C<br />

13

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