High QualityYokogawa ACB41 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 detector loops and the communication with the LPK-2. The memory circuits contain the programme code, default data for the detectors and status information. The watchdog supervises the processor and checks for hang-ups in the programme execution.
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 this switch.
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| SB401-10 S1 | PW702 S1 | MRI-234*B |
| SB401 | PW604 | F9900RR |
| SB301 | PW602 | F9900RP |
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| 125768-01 | 16249-51-4 | Triconex 2481 |
| 125800-01 | 16267-1-2 | Triconex 2551 |
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.
Our products are all genuine imported goods in stock, which can be tested, worry-free after-sales service, and quality guaranteed.
We have tens of thousands of models and tens of thousands of stocks in stock, welcome to consult!
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All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
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Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
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- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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On the basis of the same quality, we provide:
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