Yokogawa SAI143-H47 Module

Yokogawa SAI143-H47 DCS New Module 

Overview

The DC/DC circuit converts the battery voltage of the back plane to 5 VDC,which is supplied to all logical circuits on the board. Should the voltagedisappear, a signal is activated in the back plane.  

The battery voltage is fused. If the fuse is blown a signal is activated in theback plane. The fuse is accessible on the front panel of the board, and can beused for disconnecting the power.  

On the front panel are two green LEDs for indicating 5V power and normalpolling. 

The control logic is used for decoding the address bus and for generatingsignals to read/write the status register and read the input buffers.  

The address bus, the data bus and the control signals are buffered beforeentering the board. 

The status register is a read/write register. On reset the status is zeroed. Thus itis possible to check the function of the board.  

The signals on the inputs are buffered before entering the data bus. 

The inputs are divided into six groups, where each group has a common returnconductor. The inputs are protected by transient suppressors. Each input isequipped with an LED that is lit when the input is active. These LEDs are notvisible from the front panel. 

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FAQ

Q) What is your advantage?
A)Competitive Price Fast Delivery Thoughful service.

Q) What about payment?
A)T/T, Western Union, Credit Card.

Q) What is the warranty?
A)The  Process Automation warranty  is 12 months from date of shipment. 

 
Q) What is the price?
A) The target pricing is to be competitive with the 3 rd  party surplus market. The pricing is subject to change, and the percentage as compared to new varies by product.

Company Profile

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