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ABB DM818C-800-45 Process Control AC System

¥668.00

Part Number:DM818C-800-45

DM818C-800-45 If there are quality issues, you can help repair them

If there is any need, please contact us and we will reply to you as soon as possible

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Contacts:kelly CHEN

Description

Group A LEDs (Fig. 5-3) are used during diagnostic mode

operation to display test results.

On controller reset, all front panel LEDs turn on. Next, the

controller reads the dipswitches, executes the selected test,

and displays the result on the group A and B LEDs. Group A

LEDs display the test number on LEDs one through six. If LED

eight is on, the test failed. The display is latched on for

1/4-second for viewing ease, then the LEDs blank out for about

1/8-second, and the test is repeated. Group B LEDs display a

running tally of successes and failures. LEDs one through four

tally the passes; LEDs five through eight tally the failures.

If a test fails with the Halt On Failure selected (dipswitch SW2,

pole one on), the status LED turns red. The test number that

failed is displayed on the group A LEDs.

For group tests (10, 20), each test is run in numerical order.

On a failure, group A LED eight flashes and LEDs one through

six display the test number that failed. When all tests in the

group are done, the error count is incremented and displayed

on the group B LEDs

The reliability of any stand-alone product or control system is

affected by the maintenance of the equipment. ABB recom

mends that all equipment users practice a preventive mainte

nance program that will keep the equipment operating at an

optimum level.

This section presents procedures that can be performed

on-site. These preventive maintenance procedures should be

used as guidelines to assist you in establishing good preven

tive maintenance practices. Select the minimum steps

required to meet the cleaning needs of your system.

Personnel performing preventive maintenance should meet the

following qualifications:

Should be qualified electrical technicians or engineers that

know the proper use of test equipment.

Should be familiar with the controller, have experience

working with process control systems, and know what pre

cautions to take when working on live AC systems.

 

Details: If you need an urgent delivery order, please feel free to contact us, and we will do our best to meet your needs.
Price issue: If you find that other suppliers offer a cheaper price for the same product, we are also willing to provide you with a reference price and give you further discounts.
Contact Us:+86 18106937731
Whatapp:+86 15359293870
Email: geabbdcs@gmail.com / 2872270648@qq.com
Contact Person: Chen

 

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