Siemens SIPART PS2 사용 설명서 - 페이지 15

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Siemens SIPART PS2에 대해서도 마찬가지입니다: 설치 지침 (4 페이지), 설치 지침 (4 페이지), 하드웨어 설치 매뉴얼 (30 페이지), 기술 설명 (26 페이지), 간결한 사용 설명서 (35 페이지), 키트 설치 지침 (9 페이지), 설치 지침 (11 페이지)

Connecting

4.1

Low-voltage supply

When you supply the module in the non-intrinsically safe version with low voltage, you must

be sure to observe the following safety rules before starting work on the device:

1. Isolate the device from power. Use a circuit breaker positioned near the device to do

2. Make sure that the device cannot be switched back on inadvertently.

3. Make sure the device is truly isolated from power.

Assembling the components

For the composition of the components it must be ensured that only positioners and option

modules that are certified for the relevant operating range are combined.

This condition applies in particular to the safe operation of the positioner in the areas of

zone 1, 2 and 22, in which the atmosphere can be potentially explosive. Make sure you

observe the device categories 2 and 3 of the device itself as well as the ones of its option

modules.

Protection against mechanical influences

In order to guarantee the degree of protection IP66/NEMA 4x, you must protect the module

against mechanical influences. This is achieved by selecting a suitable installation location

or by installing a suitable protection device. This required protection applies to the operation

of the module with the following voltages:

• > AC 16 V

• > DC 35 V, low voltage

SIPART PS2 with mechanical limit switch module

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

DANGER

this.

WARNING