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model 2704 controller installation and operation handbook - Soliton

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

Transducer<br />

Power<br />

Supply<br />

Provide 5V<br />

or 10Vdc to<br />

power Strain<br />

Gauge<br />

Transducer<br />

G3<br />

or<br />

G5<br />

C<br />

External calibration<br />

resistor (may be fitted<br />

in transducer).<br />

To<br />

Fixed<br />

or<br />

Module<br />

PV<br />

Input<br />

B<br />

A<br />

+<br />

_<br />

A<br />

B<br />

C<br />

D<br />

D<br />

Note: To minimise noise pick up it is<br />

recommended that screened cables are used for<br />

strain guage power supply connections.<br />

Potentiometer<br />

Input<br />

(100Ω to<br />

15KΩ)<br />

Motorised<br />

valve<br />

position<br />

feedback<br />

Remote SP<br />

VU<br />

+0.5v<br />

Wiper<br />

0v<br />

A<br />

B<br />

C<br />

D<br />

Dual PV<br />

Input<br />

(Modules 3<br />

& 6 only)<br />

To accept<br />

two inputs<br />

from a high<br />

level <strong>and</strong> a<br />

low level<br />

source.<br />

The two<br />

inputs are<br />

not isolated<br />

from each<br />

other.<br />

DP<br />

Current<br />

source<br />

+<br />

-<br />

+<br />

-<br />

Current<br />

source<br />

2.49Ω<br />

0-2V<br />

input<br />

100Ω<br />

0-20mA<br />

input<br />

The common connections to terminal D must be<br />

returned separately to D as shown in the dual<br />

current example above.<br />

A<br />

B<br />

C<br />

D<br />

Figure 2-14: Wiring Connections for IO Modules<br />

Installation <strong>and</strong> Operation H<strong>and</strong>book. Part No HA026502 Issue 1.0 Apr-00 2-17

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