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Introduction

© Rice Lake Weighing Systems

 

 All Rights Reserved

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1.0

Introduction

This manual is intended for use by service technicians responsible for installing and servicing SCT-3300 Signal Conditioning 

Transmitters/Indicators.

This instrument must not be opened by the user. Any attempt to repair or alter the unit can expose the user to 

the danger of electric shock and will void the warranty. If a problem with the unit or system is experienced, 

please notify the manufacturer or the dealer.

1.1 Safety

Safety Signal Definitions:

Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes 

hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes 

hazards that are exposed when guards are removed.

  Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.

Indicates information about procedures that, if not observed, could result in damage to equipment or corruption 

to and loss of data.

General Safety

Do not operate or work on this equipment unless this manual has been read and all instructions are understood. 

Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake 

Weighing Systems dealer for replacement manuals. 

Failure to heed could result in serious injury or death.

Electric shock hazard! 
Do not install in areas subject to explosion hazard.
There are no user serviceable parts. Refer to qualified service personnel for service. 
Always disconnect from main power before performing any work on the device.
Do not allow minors (children) or inexperienced persons to operate this unit.
Do not operate without all shields and guards in place.
Do not use for purposes other then weighing applications.
Do not place fingers into slots or possible pinch points.
Do not use this product if any of the components are cracked.
Do not make alterations or modifications to the unit.
Do not remove or obscure warning labels.
Do not use near water. 

Failure to follow could result in damage to equipment or corruption to and loss of data.

Keep away from heat sources and direct sunlight.
Protect the instrument from environmental factors: rain, snow, dust, etc.
Clean the instrument with a damp cloth, do not use anything but water
Always mount the instrument and platform in a vibration free setting.
All instrument connections must be made with respect to local zone and environment standards.

IMPORTANT

DANGER

WARNING

CAUTION

IMPORTANT

WARNING

IMPORTANT

Содержание SCT-3300

Страница 1: ...SCT 3300 Signal Conditioning Transmitter Installation Manual PN 190937 Rev A March 11 2020...

Страница 2: ...marks of their respective companies All information contained within this publication is to the best of our knowledge complete and accurate at the time of publication Rice Lake Weighing Systems reserv...

Страница 3: ...34 9171 and asking for the training department 1 0 Introduction 1 1 1 Safety 1 2 0 Installation 2 2 1 Load Cell Connections 2 2 2 Start Up 2 2 3 Weight Oscillations Vibration 2 2 4 Installation Consid...

Страница 4: ...SCT 3300 ii Visit our website www RiceLake com Rice Lake continually offers web based video training on a growing selection of product related topics at no cost Visit www ricelake com webinars...

Страница 5: ...uctions are understood Failure to follow the instructions or heed the warnings could result in injury or death Contact any Rice Lake Weighing Systems dealer for replacement manuals Failure to heed cou...

Страница 6: ...nd free from mechanical constraints Using a voltmeter make sure the output is positive and increases when weight is applied to the scale If the output is negative check the load cell connection and in...

Страница 7: ...ion Check 1 With a voltmeter measure the load cells excitation supply on the terminals 1 and 2 to read the actual 10 VDC excitation value 2 When the scale is empty measure the signal in mV on the term...

Страница 8: ...n an analog output of 0 20 mA output on terminals 21 23 Close the J1 jumper to obtain an analog output of 4 20 mA output on terminals 21 23 If dead load exceeds 17 mV put a resistance of 10K 1 8 of Wa...

Страница 9: ...1 before adjusting the span calibration Section 3 1 2 on page 6 3 1 1 Zero Calibration Make sure the scale is empty verify the output is 0 VDC 0 mA or 4 mA and adjust as needed See Table 3 1 Make sure...

Страница 10: ...DIP switches of coarse zero and the fine zero to set the output to those values usually the DIP switch 1 is in position ON 3 Measure the supply about 10V 3 on the terminals 1 and 2 4 Multiply this va...

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Страница 12: ...sure Plastic resin with DIN or Omega clips Power 20 28 VDC Precision 0 25 Repeatability 0 01 Power Consumption 6 VA Protection Degree IP 50 Capacity 6 parallel load cells 350 ohm Load Cell Connection...

Страница 13: ......

Страница 14: ...nada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 Rice Lake Weighing Systems is an ISO 9001 registered company Rice Lake Weighing Systems Specifications subject to change wit...

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