Datong Autosun Power Control YSD OT2106A Mode d’emploi

Installation and Use Manual

Datong Autosun

Power Control Co.,LTD

OT2106A

Electronic Engine Governor

Speed Controller

OT2106A Electronic Engine Governor Speed Controller

SAFETY PRECAUTIONS....................................................................................................................2

一、OVERVIEW.........................................................................................................................................1

1.1 OUTLOOK............................................................................................................................................ 1

1.2 DESCRIPTION.......................................................................................................................................1

1.3 APPLICATIONS..................................................................................................................................... 2

1.4 FUNCTIONS.......................................................................................................................................... 3

1.5 SPEED AND SPEED FREQUENCY.......................................................................................................... 3

1.6 RELEVANT DEVICES............................................................................................................................ 4

二、SPECIFICATIONS......................................................................................................................... 4

三、INSTALLATION.............................................................................................................................. 4

3.1 DISMOUNTING..................................................................................................................................... 4

3.2 INSTALLATION REQUIREMENTS...........................................................................................................4

3.2.1 Installation order................................................................................................................. 5

3.2.2 Power requirements............................................................................................................. 5

3.2.3 Requirements for the installation location........................................................................ 5

3.3 INSTALLATION DRAWINGS AND ELECTRICAL CONNECTION DIAGRAM................................................ 6

3.3.1 Connecting Wires.............................................................................................................. 7

3.3.2 Electrical connection............................................................................................................8

3.4 INSTALLATION AND WIRING CHECK.................................................................................................... 8

3.4.1 Actuator installation check..................................................................................................8

3.4.2 Check electrical connections............................................................................................... 8

3.4.3 Speed sensor installation check.......................................................................................... 8

四、COMMISSIONING........................................................................................................................ 8

4.1 PRE-SET...............................................................................................................................................8

4.2 START ADJUSTMENT............................................................................................................................ 9

4.3 SPEED DROOP ADJUSTMENT.............................................................................................................. 11

4.4 GENERAL OPERATION....................................................................................................................... 12

五、PRINCIPLE....................................................................................................................................... 12

六、COMMON MALFUNCTION AND TROUBLESHOOTING.......................... 13

6.1 COMMON MALFUNCTION...................................................................................................................13

6.2 TYPICAL MALFUNCTION.....................................................................................................................14

OT2106A Electronic Engine Governor Speed Controller

Safety Precautions

Warning—Read the Instructions

Before installation, operation, commissioning or maintenance for this equipment, you should read the

full text of this manual, be familiar with all of the system components, operating procedures, safety

instructions, and related precautions. If you did not follow the requirements to perform operation and use,

may cause personal injury or property damage.

Warning—Overspeed Protection

The engine shall be equipped with a device being independent of the overspeed shutdown device to

protect against overspeed or damage to the engine resulting in personal injury or property damage.

Warning—Proper Use

Without the authorization of this product manufacturers and technical guidance, any unauthorized

modification of the system in machinery, electric or structure or use, may cause the damage to the product

itself, and even lead to personal injury or property damage.

Warning—Properly Shut Down

The electronic governor must be in the case of system power supply turned on to stop the engine

according the instructions; if illegal operation, directly turn off the power supply to carry out stop during

the engine operating, the engine is likely to arise uncontrolled serious accident, may cause property

damage or casualties. Solution to this problem is: linkage should contain a return spring, the spring force

size should be able to ensure that once the actuator power down, pulling the fuel delivery immediately to

the minimum position, making the engine shut down.

Warning—Battery Charge

Should ensure that the battery voltage of power supply of the product being within the specified

range. If the battery voltage does not meet requirements, this will result in the system not to work or run

unstable. Battery charging without delay should be given to ensure that the output voltage stability.

Warning—Prohibit directly using charger for power supply

When cutting off the connection of unit battery charger and the controller, the former output voltage

will exceed the latter power supply voltage range, so using the charger directly for the controller power

supply will cause permanent damage to the controller.

The Company reserves the right to modify any part of this manual. We guarantee that the information

provided in this manual is accurate and reliable, but unless otherwise expressly written commitment, the

Company assumes no responsibility.

OT2106A Electronic Engine Governor Speed Controller

一、Overview

1.1 Outlook

The OT2106A electronic engine governor speed controller(controller for short) is made of metal and

consists of circuit boards inside. All the adjustable potentiometer of circuit boards are on the panel and marked

with printed label, the terminals are arranged at the front end of the controller. The real pictures were shown in

figure 1-1.

figure 1-1 real pictures of the controller

1.2 Description

Rated Speed Potentiometer: This is used for setting rated speed. At rated speed condition, it can make sure

that the engine speed is equal to the set value. When adjusting clockwise, speed increase; when

adjusting anti-clockwise, the speed reduced.

Start-up oil quantity potentiometer: for engine starting enrich. This feature is automatically enabled in the

engine startup process, when the startup is over, this function will be automatically replaced by

speed control function. Adjustment range: 25% to 100% of the controller output signal, turn

clockwise will increases the start-up oil quantity.

Stable potentiometer; Gain potentiometer; Compensation potentiometer: these three potentiometers are used

to adjust and correct the control characteristics of the amplifier circuit, so that the controller can adapt different

types of engine. Stable potentiometer is used to adjust the recovery time of dynamic process; Gain

potentiometer can adjust the biggest speed amplitude when the load has a sudden change; Compensation

potentiometer is used to adjust the response of actuators and the engine. All these three potentiometer increase

with clockwise adjustment, decrease with counter-clockwise adjust.

Rising time potentiometer: used to adjust the speed up time when the engine runs from the idle speed to the

rated speed. Adjusting range: 5 seconds ~ 35 seconds, it will increase with clockwise adjustment.

Idle Speed potentiometer: used to set the idle speed. In idle condition, it can make sure that the engine speed is

OT2106A Electronic Engine Governor Speed Controller

equal to the set value. Speed will increase when turning clockwise; Speed will decrease when turning

anti-clockwise.

Terminal 1, 2:18 VDC ~ 36 VDC 12W-- power supply, "-" is for negative, "+" is for positive.

Terminal 3: open: shutdown - shutdown switch. Open: actuator move to the minimum position, Closed: the

engine can normally operates.

Terminal 4: open: overspeed protection - overspeed protection switch. Open: activate the overspeed

protection function, when speed is over, the actuator move to the minimum position; Closed: overspeed

protection function is not available. When the drag speed is lower than the minimum control speed, the PID

controller circuit has not been working, It makes the controller output a start signal which is set by start-up oil

quantity .

Terminal 5: Closed: rated speed-- idle/rated switch. Closed: the rated speed; Open: idle speed.

Terminal 7, 8: Speed input--speed signal input. The input range: 1 ~ 30 VRMS (ac voltage RMS, RMS

means square), regardless of polarity.

Terminal 9,10: Position output - the position signal. Output to the driver, '-' is for negative, '+' is for

positive.

Terminal 11, 12: speed trim – speed trim potentiometer is more than 100 Ω.In differential mode, it can be

used to complete a manual synchronization or add and subtract load.

Terminal 13,14,15: differential rate - more than 2 k Ω circle rate potentiometer. They are used to adjust rate.

Terminal 6: spare - manufacturer reserves, no electrical connections.

Terminal 15,16: synchronizer signal input--provide for synchronizer, It is used in the speed and phase

matching.

Terminal 15, 17: load distributor signal input - load distribution wire and connected with other similar

controllers distribution line.

Note: differential rate and speed trim should be set within the reference speed of 10% / V.

1.3 Applications

Controller is mainly used for speed control of diesel engine, gasoline engine, gas machine (engine as

general designation). The engine controlled by the controller is only used for driving a generator and make up

generator sets (generators for short) with the controller. It could be used in three types application: single,

parallel with another machine and parallel in network.

The controller is a component of the system, the relationship with the application system is shown in

figure 1-2.

OT2106A Electronic Engine Governor Speed Controller

Motor

Actuator

Engine

Speed Sensor

Controller

Generator

figure 1-2 The relationship with the application system

1.4 Functions

The controller is the core component of the engine speed control function, controlling the whole process

of engine operation: start, idle, acceleration, rated, load/unload and so on. there are two control modes for

engine speed in response to load changes: no differential mode and differential mode. In addition, the

controller also has a normal shutdown, startup enriched fuel control, setting the speed protection value, output

overload protection.

1.5 Speed and Speed Frequency

The engine speed is described by gear teeth (tooth frequency) which is detected by the engine speed

sensor ;

Through speed sensor, Speed controller perceives the engine speed characteristics;

The control target is frequency (Hz) signal output by speed sensor, rather than the speed (r / min) of

engine crankshaft;

The engine speed (r/min) is proportional to the voltage signal frequency sensed by the sensor. The

frequency is called speed frequency (Hz). Each speed sensor output feature frequency (Hz) which was convert

proportionally from each feature speed (r/min), such as idle speed (r/min), rated speed (r/min) was

correspondingly called idle frequency (Hz), rated frequency (Hz), etc.

The relationship between speed and the speed frequency: f = n * z / 60. And n is the engine speed (r /

min), z is the flywheel teeth.

OT2106A Electronic Engine Governor Speed Controller

1.6 Relevant Devices

Drives, actuators, sensors are relevant devices, they are used together with the controller. For details, see the

drive, actuators, sensors manual.

二、Specifications

Power supply voltage: 20 ~ 32 VDC

Power: 12 W

Speed Frequency range: Select the following four speed frequency ranges through DIP switches on the

board

500 ~ 1500 Hz 2000 ~ 6000 Hz

1000 ~ 3000 Hz 4000 ~ 12000 Hz

Speed input signal: 1 ~ 30 Vrms, input AC impedance 1000 Ω / kHz, DC resistance of 300 Ω

External speed trim: 100Ω potentiometer, providing ± 5% of the speed of adjustment

Raising speed time: 5 ~ 35 s

Output position signal: 0 ~ 200 mA, load impedance 30 ~ 45 Ω

Actuator Compensation: time constant adjustment range is 0 ~ 500 ms

Differential rate: 0 ~ 8% 2000Ω potentiometer

Application temperature range: -40 ~ +85 ℃

Storage temperature range: -55 ~ +105 ℃

Relative Humidity: 38 ℃95% when

Vibration and shock: 4 Gs vibration frequency range 5 ~ 500 Hz; Shock 60 Gs

Weight: about 1.2 kg

三、Installation

3.1 Dismounting

Before unpacking, please check the label on the box, check whether the product is consistent with the

order and make a record, if there is any question, please contact the supplier immediately.

After opening the package, carefully inspect the controller housing for deformation, scratching, loosing or

any component damaged and so on. If there is any question, please contact the supplier immediately.

3.2 Installation Requirements

OT2106A Electronic Engine Governor Speed Controller

3.2.1 Installation order

• set the speed frequency range switch, see 3.3.1;

• Installing the controller, see 3.2.3 and figure 2-2;

• Electrical connection, see 3.3;

• Check the installation, see 3.4.

3.2.2 Power requirements

The controller requires a power supply of 18VDC ~ 36VDC, 12W DC. There is an internal DC / DC switching

power supply, which need surge to start. A low-output impedance power supply (for example, using storage

battery directly for power supply) is required and the controller power on and off by a power switch adopted at

the terminal 2 to meet the switching power timing requirements. The AC - DC converter power supply is not

recommended. For the correct power connection , see figure 3-1.

figure 3-1 correct power connect

WARNING: If you use the battery to power the controller, a charging device shall be equipped to maintain a

stable voltage supply and make sure that the controller is not connected solely with the charging device. Before

removing the battery cables, you should turn off the charging device first, avoiding controller damage from the

charging device.

3.2.3 Requirements for the installation location

When selecting the installation position of the controller, please consider the following conditions:

• conducive to air cooling;

• Having adequate space for easy operation and maintenance;

• Avoid installing near water or easy to form water vapor environment;

• away from high-voltage, high-current cables, or equipment which is easy to produce electromagnetic

interference;

• Installation position can not have violent vibration;

• surrounding temperature is within the specified range: -40 ° C ~ + 85 ° C.

Note: Do not install the controller on the engine

OT2106A Electronic Engine Governor Speed Controller

3.3 Installation drawings and electrical connection diagram

Controller installation outline is shown in figure 3-2. Electrical connection is shown in figure 3-3.

figure 3-2 Controller installation Outline Drawing

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