AB Quality GuardPLC 1600 Manuel d'instructions d'installation - Page 5

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Low Voltage Directive

The power supply of the GuardPLC controller must meet Council Directive

73/23/EEC Low Voltage, by applying the requirements of EN 61131-2

Programmable Controllers, Part 2 - Equipment Requirements and Tests, as well as

either of the following:

• EN 60950 - SELV (Safety Extra Low Voltage)

• EN 60204 - PELV (Protective Extra Low Voltage)

General Safety

Open-style devices must be provided with environmental and safety protection by

proper mounting in enclosures designed for specific application conditions. See

NEMA standards publication 250 and IEC publication 60529, as applicable, for

explanations of the degrees of protection provided by different types of enclosures.

Mounting

IMPORTANT

The GuardPLC 1600 cannot be panel-mounted. Mount the GuardPLC 1600

controller to a DIN rail by following the four steps below.

1. Hook the top slot over the DIN rail.

2. Insert a flathead screwdriver into the

gap between the housing and the latch

and pull the latch downward.

3. Hold the latch down as you push the

housing back onto the DIN rail.

For effective cooling:

• Mount the controller horizontally.

• Provide a gap of at least 100 mm (3.94 in.) above and below

the controller.

• Select a location where air flows freely or use an additional

fan.

• Do not mount the controller over a heating device.

GuardPLC™ 1600 Controllers

(3)

(2)

Publication 1753-IN001B-EN-P - March 2004

(1) Top Slot

DIN Rail

Latch