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IQ204/ADL Autodialling Controller Data Sheet - Trend

IQ204/ADL Autodialling Controller Data Sheet - Trend

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<strong>Data</strong> <strong>Sheet</strong><br />

<strong>IQ204</strong>/<strong>ADL</strong><br />

HARDWARE (Continued)<br />

Auxiliary output supply: An auxiliary output supply of 24 Vdc at<br />

200 mA is available at terminals on the input and output rails.<br />

This is in addition to the full complement of inputs, outputs, NDP<br />

or GDP+, and an external 2-line display panel. If the modem is<br />

in use, it consumes the equivalent of 20 mA maximum (reduces<br />

auxiliary output supply to 180 mA).<br />

If more current is required from the auxiliary output supply, it can<br />

be compensated for by reducing input consumption.<br />

The auxiliary output supply is part of a 24 Vdc supply protected<br />

by a 500 mA self-resetting thermal device (effectively 380 mA at<br />

maximum temperature, 45 °C, 113 °F). This protected supply<br />

powers the inputs and the auxiliary output supply.<br />

# )<br />

I A @ = HO F H JA JE <br />

E F K JI<br />

= K N EE= HO I K F F O<br />

@ A ) <br />

The current consumed by these items is shown in the table:<br />

Area<br />

Inputs<br />

Analogue<br />

Digital<br />

Modem<br />

V<br />

oltage<br />

Load<br />

Item<br />

Current<br />

(IQ powered)<br />

Current<br />

(externally powered)<br />

Thermistor<br />

Auxiliary<br />

Supply<br />

24 Vdc Current<br />

P er Channel<br />

Total (maximum)<br />

0 mA<br />

20<br />

mA<br />

160 mA<br />

0 mA<br />

0 mA<br />

2 mA<br />

16 mA<br />

total<br />

20 mA<br />

180 mA<br />

376 mA<br />

For example:<br />

If an <strong>IQ204</strong>/<strong>ADL</strong> with modem connected has 8 digital inputs, 4<br />

voltage and 4 current (IQ supplied) inputs, what current can be<br />

taken from the auxiliary output supply<br />

ignore voltage inputs<br />

digital inputs (8 x 2)<br />

16 mA<br />

analogue current inputs (4 x 20) 80 mA<br />

modem<br />

20 mA<br />

Available for auxiliary output supply = 380 -16- 80 - 20 = 264mA<br />

I/O Channels: the <strong>IQ204</strong> is supplied with 8 digital inputs, 8 analogue inputs and 8 analogue outputs (voltage only).<br />

Digital inputs (Channels D1 to D8)<br />

Analogue voltage outputs (Channels B1 to B8)<br />

, <br />

<br />

" 8<br />

! !<br />

" 8<br />

" 8<br />

8<br />

4<br />

4<br />

2 <br />

Analogue inputs (Channels A1 to A8)<br />

The channels can be linked for thermistor (T), current (I), or<br />

voltage (V).<br />

8<br />

8<br />

<br />

# 8<br />

) <br />

" 4<br />

& <br />

1<br />

8 6<br />

8<br />

<br />

8<br />

" 8<br />

8<br />

" 8<br />

6 1 8<br />

The current sensor, I, is IQ powered. For an externally powered<br />

current sensor, the channel should be linked for I, and connected<br />

as a voltage input, V.<br />

<strong>IQ204</strong>/<strong>ADL</strong> Autodailling <strong>Controller</strong> <strong>Data</strong> <strong>Sheet</strong> TA200489 Issue 1/E 01/11/06<br />

5

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