Siemens SIMATIC ET 200S 매뉴얼 - 페이지 23

{카테고리_이름} Siemens SIMATIC ET 200S에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Siemens SIMATIC ET 200S 28 페이지. Distributed i/o digital electronic module 4do dc24v/2a hf
Siemens SIMATIC ET 200S에 대해서도 마찬가지입니다: 운영자 매뉴얼 (18 페이지), 매뉴얼 (16 페이지), 사용자 설명서 (16 페이지), 사용자 설명서 (26 페이지), 매뉴얼 (37 페이지), 매뉴얼 (24 페이지), 기능 설명서 (40 페이지), 운영 지침 (4 페이지), 원본 사용 설명서 (19 페이지), 원본 사용 설명서 (20 페이지), 매뉴얼 (34 페이지), 매뉴얼 (14 페이지), 매뉴얼 (24 페이지), 원본 사용 설명서 (17 페이지), 원본 사용 설명서 (19 페이지), 매뉴얼 (16 페이지), 매뉴얼 (12 페이지), 매뉴얼 (32 페이지), 매뉴얼 (18 페이지), 매뉴얼 (12 페이지), 매뉴얼 (28 페이지), 매뉴얼 (22 페이지), 매뉴얼 (22 페이지), 매뉴얼 (36 페이지), 매뉴얼 (16 페이지)

Connecting

5.1

Introduction

You can connect current transmitters to the 2AI 4WIRE HS analog input modules to act as:

● Connecting 4-wire transducers.

In this chapter you will find out how to connect the measuring encoders and what to watch

out for when doing so.

Cables for analog signals

You should use shielded and twisted-pair cables for the analog signals. This reduces the

effect of interference. You should ground the shield of the analog cables at both ends. If

there are differences in potential between the cable ends, an equipotential bonding current

that may interfere with the analog signals will flow across the shield. If this is the case, you

should only ground the shield at one end of the cable.

Analog input modules

The analog input modules are galvanically isolated:

● Between the logic and backplane bus

● No isolation: Link between M

Connecting measuring encoders to analog inputs

There can be only a limited potential difference U

lines M- of the input channels and the reference point of the measuring circuit M

ensure that the permitted value is not exceeded, you must take different steps depending on

the whether the encoders are isolated or non-isolated. The steps you have to take are

described in this chapter.

2AI I 4WIRE HS analog electronic module (6ES7134-4GB62-0AB0)

Manual, 01/2008, A5E01076124-02

Note

Ensure that this difference in potential U

is a possibility of exceeding the permitted value, establish a connection between terminal

and the central grounding point.

ANA

and central grounding point

ANA

does not exceed the permitted value. If there

ISO

(common mode) between the measuring

. To

ANA