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MAXIM Installation Instructions

Page 28 © Mass Electronics Pty Ltd 2011Edition 2.0 dated 20/11/2013

A single transformer may be used to supply voltage to more than one controller, but you must ensure

that the planned load is well within the rating of the transformer. The transformer output terminal

designated as AC Neutral must be solidly earthed to the main earth link of the enclosure panel. The

power input terminals are Terminals 1 and 2 and are detailed in Table 3-2 below.

3-3.1.1 Power Input

The MAXIM I, II, III, and 1010 controllers may by powered by either an AC or a DC power source. The

operating voltage must meet the requirements of Safety Extra Low Voltage (SELV) to EN60730. The

transformer used must be a safety transformer in compliance with EN60742 and be designed for

100% duty. It must also be sized and fused in compliance with local safety regulations. Power input

specifications for these controllers are detailed in Table 3-1 below.

Controller AC Power Source DC Power Source

MAXIM I and II

24 VAC ±10%, 50/60 Hz,

Nominal Transformer

rating:

5VA

24 V DC ±10%

Nominal Transformer

rating:

5VA

MAXIM III

24 VAC ±10%, 50/60 Hz,

Nominal Transformer

rating:

10VA

24 V DC ±10%

Nominal Transformer

rating:

10VA

MAXIM 1010

24 VAC ±10%, 50/60 Hz,

Nominal Transformer

rating:

16VA

24 V DC ±10%

Nominal Transformer

rating:

16VA

Table 3-1: MAXIM I, II, III and 1010 Power Source Specifications

Terminal AC Supply DC Supply

1 24VAC 24VDC

2 0VAC (Neutral) 0VDC

Table 3-2: MAXIM I, II, III and 1010 Controller Power Input Terminals

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 59 60

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Innotech Maxim Manual de usuario Pagina 28

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