Product Description

Electronic governors S6700E, S6700H are now widely used in DCEC and Chongqing CUMMINS generator sets, with stable performance.

S6700H electronic speed controller detailed introduction:

1. Overview of S6700H Electronic Speed ​​Controller

The S6700H electronic speed controller is a fully electronic device. It can respond quickly and accurately to instantaneous load changes to control the engine speed for closed-loop control.

Its basic feature is to adjust the "starting fuel" and "speed fluctuation" of the engine. This feature can make the engine reach the rated speed and output power while reducing the smoke emission and maintain stability.

And S6700H speed controller has reverse power supply protection, actuator fault protection, loss of speed sensor signal protection. There is also overspeed protection and protection after system fault input.

2. Technical parameters of S6700H electronic speed controller

  Environment: Working ambient temperature -40~80

       Relative humidity 95%

Input and output: input voltage 24VDC

         Actuator current range up to 10A

         Speed ​​sensor signal 1-20V

Features: Rated frequency range 1k~5kHZ

     Frequency fine adjustment range exceeds 200HZ (when connected to 5k)

     Steady frequency band 0.5%

     Transient frequency deviation suddenly reduced by 10%

     Transient frequency deviation sudden increase -7%

     Frequency recovery time 2S

     Frequency reduction 0-3% (adjustable when pins 10 and 11 are shorted)

     Temperature drift 1% (maximum)

S6700H electronic speed controller function description:

1. Applied functions

1> Speed ​​closed-loop control

2> Parallel control

3> Fine adjustment of external speed

4> External idle speed/rated speed conversion

2. Protection function

1>Reverse power protection

2>Actuator fault protection

3>Protection of lost speed signal

4> Overspeed and external high level input alarm

S6700H Electronic Speed ​​Controller About Parallel

There are two ways to distribute power in parallel:

1. Use the "DROOP" potentiometer to set the frequency/power curve. When paralleling, the frequency of each unit is the same, and the corresponding power can be found on the curve.

2. Connect the load distributor to the 13th pin, and the distributor will automatically distribute the power. The 13th pin can input a voltage range of 0~9V. When the unit is single, input 4V, and the engine speed is the same when the input is disconnected. Increase Voltage will reduce the speed.

S6700H Electronic Speed ​​Controller Use and Maintenance

Wiring method

The S67600H electronic speed controller is very sturdy and can be installed in the engine's control cabinet.If there is water, fog water, condensate, etc., the controller should be installed vertically to allow moisture to drain; avoid very high temperature Places that radiate heat; if there is a large electromagnetic field, special shielding devices are required.