Yokogawa AAP849-S00 Module

High Quality Yokogawa AAP849-S00 DCS Module

Overview

1. Power supply 

Power supply for processor, memory and logic of the loop processor board. 

2. Control logic 

Control logic for activation and blocking of hardware signals to the back plane.LEDs for indication of status and communication are also controlled in this block. 

3. LED indications

LEDs for indicating status of fire, fault, communication and voltage. 

4. Drivers 

Drivers for adapting hardware signal to the back plane. 

5. CPU/Memory/watchdog 

This is the main block of the SPK-2 board. The CPU controls both of the detectorloops and the communication with the LPK-2. The memory circuits contain theprogramme code, default data for the detectors and status information. Thewatchdog supervises the processor and checks for hang-ups in the programmeexecution. 

6. Address switch 

The 8-bit address of the SPK-2, i.e. the loop number, is set with the DIP switch.

7. LPK communication 

Interface for back plane communication. 

8. DC/DC converter 

The DC/DC-converter converts the battery voltage from the back plane to 30 VDC,for the detector loops.

9. Signal filter 

Signal filter for the communication signals. 

10. Communication direction switch

For closed loops the choice of direction for the communication is made with thisswitch. 

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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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