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model 2704 controller installation and operation handbook - Soliton

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<strong>2704</strong> Controller Installation<br />

2.3.3. Sensor Input Connections<br />

The fixed PV input can accept a range of sensors including Thermocouple, RTD (Pt100),<br />

Pyrometer, Voltage (e.g. 0-10Vdc) or Milliamp (e.g. 4-20mA) signals. These sensors are<br />

used to provide inputs to Control Loop 1.<br />

Thermocouple or Pyrometer<br />

Use the correct type of<br />

compensating cable<br />

to extend wiring<br />

+<br />

-<br />

VH<br />

VI<br />

V+<br />

V-<br />

RTD (Pt100)<br />

3-wire<br />

platinum<br />

resistance<br />

thermometer<br />

For 2-wire<br />

this is a<br />

local link<br />

VH<br />

VI<br />

V+<br />

V-<br />

Voltage 0 to 10V or 0 to 2V<br />

Current 0 to 20mA (4 to 20mA)<br />

+<br />

0 - 10<br />

Volt<br />

source<br />

-<br />

VH<br />

VI<br />

V+<br />

V-<br />

+<br />

Current<br />

source<br />

-<br />

2.49Ω<br />

resistor<br />

supplied<br />

VH<br />

VI<br />

V+<br />

V-<br />

mV (up to 80mV)<br />

VH<br />

+<br />

VI<br />

mVolt<br />

source<br />

V+<br />

-<br />

V-<br />

Figure 2-6: Wiring Connections For PV Input<br />

Installation <strong>and</strong> Operation H<strong>and</strong>book. Part No HA026502 Issue 1.0 Apr-00 2-7

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