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The execution controller Current Location:Home > Products > The execution controller

FJQ-3phase shift or zero thyristor trigger additional device

Add Date:2012-5-9 13:41:09 | Visits:

Product brief introduction: FJQ-3SCR trigger additional device and XMT - -76- XMT -, -26-, TEE - - - 6- - any output phase-shift controllable silicon trigger signal to the master control instrument can be conveniently connected, to trigger mode to drive the three road SCR, the three-phase load voltage adjustment control. And XMT - -77- XMT - -27, - P, TEE - - - 7- - any output zero thyristor trigger signals to a main control instrument is connected, and can be conveniently to zero trigger mode to drive the three road SCR, the three-phase load of power regulating control. Not only can be used for the three bidirectional controllable silicon, and can also be used for the six one-way controlled silicon or independent trigger six bidirectional thyristor in parallel using.

The additional device can reduce the system cost, convenient installation, strong anti-interference capability, reliable operation, and can be widely applied to various electric resistance furnace with high precision temperature control.

One, the main technical parameters:

Input:1master controlling meter A single phase shift trigger signal or A B phase-shift trigger signal master controlling meter A single phase zero trigger signal or AB phase zero trigger signal

The 2 output: amplitude width≥ 3V,≥ 40 μ s three-phase six trigger signal

3phase: maximum conduction angle greater than 150 degrees

4zero trigger cycle time: master controlling meter decided by

5 power: voltage:220V or380V ± 15%;50Hz± 1Hz ( frequency: with the main control instrumentation identical)

The 6installation hole size: 92x 85

7installation methods: built-in type screen

 

Two, wiring, installation, use guide:

The 1Wiring Regulations see photos. Mounting hole wiring board

2according to the selection of main control instrument and load conditions selected wiring diagram of a wiring diagram, strictly according to the selected terminal wiring diagram.

3following the occurrence of phenomena of wiring error:

A. master controlling meter is full output, but the three-phase voltage across the load to the power supply voltage of95%, B, C two-phase power supply fault phase can be caused by, B, C two-phase power line into the line on the solution.

B. as main control instrument has the output load voltage without voltage, or the severe wobble, try will be added at the input end of the"1","2" terminal swap. As long as in strict accordance with the additional device manual wiring and operation does not occur, the abnormal condition.

The 5 driving induction furnace, transformers and inductive load should be separate orders.

6in particular: the additional device operating voltage must be with the main control instrument in power coincide, such as the main control instrument using the 380V voltage, additional device should also use the 380V voltage specification, all three-phase power should be strictly in accordance with the attached wiring diagram provided the phase sequence connection, or because the phase inconsistency caused a road load can not be full power operation or load two terminal voltage jitter, issues such as out of control.



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