Distech Controls SC-AI-420 설치 매뉴얼

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Distech Controls SC-AI-420 설치 매뉴얼
SC-AI-420
Analog Isolation Module
Product Description
This document describes the hardware installation procedures for the SC-AI-420 Analog Isolation Module.
The analog isolation module is a 2 wire loop-powered 4-20 mA signal isolator with one input/output channel. It will accept one analog current or voltage
input signal, isolate it and sink a current output signal. The input has several fixed ranges for various applications.
The device derives operating power from the output current loop that is provided by the receiving device and has an on-board transformer that provides
complete input/output signal isolation. Both the input and output are sinking type and the input signal types are easily selected with DIP switches.
The product comes with standard snap-track for easy mounting.
General Installation Requirements
For proper installation and subsequent operation of each device, pay special attention to the following recommendations:
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Upon unpacking the product, inspect the contents of the carton for shipping damages. Do not install damaged device.
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Avoid areas where corroding, deteriorating or explosive vapors, fumes or gases may be present.
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Ensure that all equipment is installed according to local, regional, and national regulations.
Personal injury or loss of life may occur if you do not follow a procedure as specified.
Equipment damage or loss of data may occur if you do not follow a procedure as specified.
Take reasonable precautions to prevent electrostatic discharges to the controller when installing, servicing or operating
the controller. Discharge accumulated static electricity by touching one's hand to a well-grounded object before working
with the controller.
Figure 1: SC-AI-420 Analog Isolation Module
I n s t a l l a t i o n G u i d e