Siemens SIPART PS2 Instrukcja obsługi - Strona 16

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Connecting

4.1 Connection safety note

NOTICE

Maximal values for terminals 41/42 and 51/52

The following maximum values concern only terminals 41, 42, 51, and 52:

• Maximum voltage:

• Maximum current:

• Maximum performance:

No safe separation between the terminals can be guaranteed.

NOTICE

Installing/connecting

Only qualified personnel is permitted to install and connect the mechanical limit switch

module.

NOTICE

To observe before connecting

Before you connect the mechanical limit switch module, observe the following conditions:

• Only qualified personnel is permitted to connect the mechanical limit switch module.

• Isolate all wires from power and make sure the device is truly isolated from power.

• Construct the cross-sectional area of the connection cables in such a way that it is

• Selected the wires on the basis of the following rule: The temperature at which the wires

• Operate the Ex-version only in intrinsically safe circuits with approved switching

NOTICE

Preparing the cables or stranded wires

1. Insulate the cables in such a way that the insulation is flush with the terminal when

2. Fit ferrules to the ends of stranded wires.

– Not Ex: AC 250 V or DC 24 V

– Ex: 30 V DC

– Not Ex: 4 A AC/DC

– Ex: 100 mA DC

– Ex: 750 mW

appropriate for the permitted current load.

are permitted to be used must be 25°C above the maximum ambient temperature.

amplifiers.

plugging in the wires.

SIPART PS2 with mechanical limit switch module

Operating Instructions (Compact), 04/2007, A5E01179056-01