Rice Lake Weighing Systems SCT-1100, SCT-2200 Operating Manual

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SCT-1100 Advanced Series

Weight Transmitter

Technical Manual

Version 8.0

PN 185658 Rev BJuly 24, 2019

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An ISO 9001 registered company

Rice Lake Weighing Systems

is a registered trademark of

Rice Lake Weighing Systems.

All other brand or product names within this publication are trademarks or

registered trademarks 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 reserves the right to make

changes to the technology, features, specifications and design of the equipment without notice.

The most current version of this publication, software, firmware and all other product

updates can be found on our website:

www.ricelake.com

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Contents

Technical training seminars are available through Rice Lake Weighing Systems. Course descriptions and dates can be viewed at www.ricelake.com/training or obtained by calling 715-234-9171 and asking for the training department.

Contents

1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3.1 Panel Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1 Location Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Electrical Precautionary Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Maximum Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4 Grounding the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4.1 Load Cells and Junction Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.5 Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.6 Connection to the Load Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.6.1 Input/Output Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.0 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1 Basic Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.1 Turn on the Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.2 Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.3 Power Off the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.4 Zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.5 Tare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Multi-Range Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.3 Display Configuration Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4 Selecting the Channel to be Displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.5 Simultaneous Transmitter Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.6 Selecting Printing Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.7 Selecting the Operating Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.7.1 Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.7.2 Alibi Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.7.3 Sensitivity Times Ten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7.4 Peak Hold Weight Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.0 Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1 Setup Mode Navigation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2 Quick Setup Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.2.1 Default Factory Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2.2 Quick Scale Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2.3 Analog Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2.4 Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2.5 Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Setup Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.3.1 Type Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.2 F.Mode Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.3 Setup Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.3.4 Diagnostic Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.4 Configuration Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

4.4.1 Filter Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

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SCT-1100 Weight Transmitter

Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. Visit www.ricelake.com/webinars

4.5 Input/Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.5.1 Input Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.5.2 Output Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

4.6 Analog Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.0 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1 Calibration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1.1 Calibration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.2 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.3 Calibration Single Channel (Known Weight) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.4 Calibration Multi Channel (Known Weight) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.5 Calibration With Linearization Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.5.1 Dependent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.5.2 Independent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.6 Theoretical Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.6.1 Independent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.6.2 Dependent Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.7 Gravity Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5.8 Zero Dead Load A/D Counts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.0 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.1 Serial Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.1.1 COM1 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.1.2 COM2 Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.2 Serial Port Transmission Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.2.1 PC Port Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.2.2 PRN PORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.2.3 PC PORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6.3 Serial Commands Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.4 Transmission Protocols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.4.1 Standard String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.4.2 Extended String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.4.3 Multi-Scale String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.4.4 Secondary Mode Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.5 Connection to a Remote Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

7.0 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

8.0 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

9.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

ii Visit our website www.RiceLake.com

Page 5

Introduction

DANGER

WARNING

CAUTION

IMPORTANT

WARNING

1.0 Introduction

The purpose of this manual is to help the user understand the SCT-1100 functioning modes, key functions, and display indications. This manual applies to indicators using version 8.00 or higher of the STC-1100 firmware. Configuration and calibration of the indicator can be accomplished by pressing the indicator front panel keys, the serial command set or RLTools utility. The SCT-1100 is designed to work with up to 4 load cells in either a dependent or independent channel mode.

Manuals and additional resources are available from the Rice Lake Weighing Systems website at Warranty information can be found on the website at www.ricelake.com/warranties

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.

www.ricelake.com

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!

There are no user serviceable parts. Refer to qualified service personnel for service.

The unit has no power switch, to completely remove DC power from the unit, disconnect the DC power cable from the main socket.

For pluggable equipment the socket outlet must be installed near the equipment and must be easily accessible.

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.

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SCT-1100 Weight Transmitter

IMPORTANT

General Safety (Continued)

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.

Do not wash, dip in water or spill liquid on the instrument.

Do not use solvents to clean the instrument.

Do not install in areas subject to explosion hazard.

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.

1.2 Options

Features Include:

• 5-key, dual function, tactile feel keypad

• 6-digit LED display, 0.50" (13mm) high

• (6) red LED Annunciators

• NEMA type 1 plastic enclosure

• 12 - 24 VDC power

• Mountable to a DIN 35mm rail

• (1) 6-wire load cell connection with Remote Sense

• (3) 4-wire load cell connections

• Two configurable digital inputs and two configurable digital outputs

• Analog Output

• 0-20 mA, 4-20 mA (Maximum 350,000 ohm)

• 0-5 VDC, 0-10 VDC (Minimum 10,000 ohm)

• (1) RS-485 bidirectional port configurable for connection to a PC/PLC

• (1) RS-232 bidirectional port for connection to a printer or PC

• Unit of measure conversion

• Switching of net/gross weight setpoint on the gross weight/net weight/pieces,

• Alibi memory

• Peak detector

• Weight or Theoretical calibration with up to 3 linearity points

• Diagnostic information via serial port, message display, printing, simulation of key pressure

• Reading of the net, gross and tare weights. Clearing and entering tare, scale switch, setting of output values

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Page 7

1.3 Overview

2.9

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Ǝ

Ǝ

Ǝ

Ǝ

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4 5 6

Note

The indicator has a plastic case with external dimensions as shown in Figure 1-1.

Introduction

Figure 1-1. SCT-1100 Dimensions and Components

No. Description

1 (+) 12-24 Vdc power supply input 2 GND power supply input 3 Digital I/O 4 Analog output 5 Connection for serial line RS-485 6 Connection for serial line RS-232 7 Connections for load cell

Table 1-1. SCT-1100 Components

For detailed call out of pin designations, See Section 2.5 on page 7

Page 8

SCT-1100 Weight Transmitter

765432

10 11 1298

1.3.1 Panel Display

The front panel of the SCT-1100 consists of a display with six digits that are 0.5 in (13 mm) high, six LED annunciators and a five-key keyboard.

Figure 1-2. SCT-1100 Front Panel

Item No. Symbol Description

1 lb Units – lb is printed on the instrument; kg, Ton, g, stickers are included for changing the units on the overlay 2 >0< Illuminates when the weighing system is within ±1/4 division of zero 3 ~ (tilde) Illuminates when the weight is unstable 4 NET Illuminates when a tare is established, measuring net weight 5 F Illuminates:

• when the specification function of the instrument is active (set in F.Mo d EF Un Ct parameter) See Section 3.7 on page 14

• when a key is pressed

Turns off:

• when the specification function of the instrument is disabled

• with an active function (a key is released)

Blinking means the instrument function is active for five seconds 6 W1 Indicates the activation of the first output (Sp1) 7 W2 Indicates the activation of the second output (Sp2) 8 ZERO – Clears the displayed gross weight of up to ± 2% of the total capacity; Cancels tare

At power up: Momentary press during startup displays current settings. See Section 3.1.1 on page 10

In setup: scroll through parameters

In numeric input: decreases the digit to be modified 9 TARE – Momentary press executes semiautomatic tare; Cancels tare

At power up: Momentary press during startup displays setup mode. See Section 4.1 on page 17

Long press allows for entering a manual tare from the keyboard

In setup: scroll through the parameters

In numeric input: increases the digit to be modified

10 MODE – Executes a specific function (set in the setup mode) See Section 3.7 on page 14

Long press allows for toggling the displayed channel (if configured in independent channels mode (Ind . C h )

At power up: Momentary press during startup displays quick setup menu. See Section 4.2 on page 18

In setup: enter into a parameter or to confirm a setting

In numeric input: confirms the entry made

11 PRINT – Executes a specific function (set in the setup mode) See Section 4.4.1 on page 26.

Executes a printout or transmission of data from the serial port dedicated to the printer

In setup: enter into a parameter or to confirm a setting

In numeric input: confirms the entry made

12 ON/OFF – Turns the instrument on and off

In setup: press multiple times to display SA v E? and/or press to exit a step without confirming the setting

In numeric input: momentary press clears the present value

Long press beyond -o ff -: Displays information of the scale (capacity, division, minimum weight for each configured range, gravi-

tational acceleration value, number of configured channels)

Table 1-2. SCT-1100 Front Panel

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Page 9

Installation

IMPORTANT

2.0 Installation

Rice Lake Weighing Systems recommends the instrument and the platform (transducer) be installed on a flat level surface, that is stable and vibration free.

2.1 Location Selection

The following should be considered when selecting a location for the equipment:

• Dust-free

• Free of strong breezes or vapors

• Moderate temperature and humidity (59 to 86°F and 40-70%)

• Use waterproof conduit and couplings in order to protect the load cell cables

• Use a waterproof junction box to connect the cells

• Avoid welding with load cells installed

2.2 Electrical Precautionary Measures

The following electrical precautionary measures must be considered when installing this equipment:

• Main power supply must be maintained within ± 10% of the rated voltage

• Electrical best practices must be observed by the installing technician

• Follow recommended minimal separation distances given for cable categories, See Section 2.3

• The extension leads of the load cells, or signal amplifiers connecting to the serial ports and analog output, must be within stated maximum lengths, See Section 2.3

• It is recommended that load cell cables are shielded and run in conduit at an acceptable distance from power transmission lines to avoid signal interference and signal noise

• All cable not in conduit or otherwise shielded should be of minimal length and terminated as close to conduit exit as possible to avoid extraneous signal noise

• If the instrument is situated inside an electric panel, the power supply cable must be shielded and as short as possible, separate from every coil supply cable, inverter, electromotive force, and others. In addition, provide dedicated power supply to the instrument

• Install RC filters on the contact coils, solenoid valves and all devices producing electric fields

• It is recommended to leave the instrument powered on at all times to avoid condensation forming on the inside of the instrument

2.3 Maximum Cable Length

Load Cell Cable

The maximum length of a standard load cell cable with sense wires is:

• 150’ at 30#AWG

• 300’ at 24#AWG

RS-232 Cable

The maximum length of the RS-232 cable is 50' with a maximum baud rate of 19200.

RS-485 Cable

The maximum RS-485 cable length is 4000', See

Analog Output Cable

The maximum length of the analog current output cable at 4-20mA is 300'. The maximum length of the analog voltage output cable at 0-10Vdc is 150'.

Section 6.3 on page 42

Page 10

SCT-1100 Weight Transmitter

structure (silo)

structure

Load cell

U-bolt between plate under cell

and weighing structure (not

supplied)

04,6 –

16 mm²

earth cable

section (not

supplied)

08 – 50 mm²

earth cable

section (not

supplied)

SCT

IMPORTANT

2.4 Grounding the System

A centrally located, single point ground, such as the ground bar of the electric panel, must be created and/or identified for proper grounding and functioning of the system. The ground must be sized so that the total resistance of grounding is lower than 1Ω. Connect grounding points of all instrumentation, load cells, and weighing structure to this single point ground.

2.4.1 Load Cells and Junction Box

When the load cells are connected to the instrument through a junction box, the shielding of the load cell cables and the instrument must be connected to the junction box grounding.

When the load cells are directly connected to the instrument, the load cell cable shielding must be connected to the single point ground.

System cabling should be kept as short as possible to minimize noise potential. After exiting conduit or other shielding, a ferrite device should be used prior to conductor termination.

After platform and the load cell are properly grounded, connect the shield from the load cell cable to the instrument ground. See

Figure 1-1 on page 3.

Non weighing

Weighing

Grounding Strap

Junction

box

Figure 2-1. Grounding Example

Procedures not expressly described in this manual are considered improper use of the equipment.

Ensure the platform is level or the loading cells are shimmed evenly.

All connections must meet all local zone and environment standards.

Follow the recommended electrical precautionary measures described in Section 2.2 on page 5.

Make sure that the grounding is made correctly, See Section 2.4.

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Page 11

2.5 Wiring Schematic

I/O BOOT

Load Cell 1

RS-232

RS-485

Analog Output

12/24 VDC

Load Cell 2, 3, 4

Load Cell 2

Load Cell 3

Load

Cell 4

SIG +

SIG – EXC + EXC –

SIG +

SIG – EXC + EXC –

SIG +

SIG –

EXC +

EXC –

SIG +

SIG –

EXC + EXC –

SEN + SEN –

181920212223242526272829303132333435

Note

Installation

Figure 2-2. SCT-1100 Wiring Schematic

The CELL1 terminal board of the indicator can be connected to a six-wire load receiver (wiring must be jumpered if connecting to 4-wire load cell. See Figure 2-3 on page 8); CELL2, CELL3 and CELL4 are only for four-wire connection. See Figure 2-2.

Number Label Description

VE 12-24 Vdc Power Supply

1 +Vdc +12-24 Vdc 2 GND 0Vdc (GND)

Inputs and Outputs

Optoisolated Inputs Positive Logic (12-24Vdc,5-20mA max)

3 COM Common

4 IN1 Input 1 5 IN 2 Input 2

Relays

6 RL1 Relay 1 7 RL2 Relay 2 8 COM Common Relay

The maximum resistance applicable on the output current is 350 Ω and the minimum resistance applicable on the output voltage is 10 kΩ.

Output

Number

Analog Output

Voltage

Current

Serial Port

RS-485

RS-232

Label Description

9 I+ +20mA

10 I- -0mA (GND)

11 V+ +10V 12 V- 0V (GND)

13 (A) 485 + Line 14 (B) 485 - Line

15 TX Transmission 16 RX Reception 17 GND Ground

Table 2-1. SCT-1100 Wiring Schematic

Number

Load Cell 1

Load Cell 2

Label Description

18 SIG+ Signal + 19 SIG- Signal 20 SEN+ Sense + 21 SEN- Sense 22 EXC+ Excitation + 23 EXC- Excitation -

24 SIG+ Signal + 25 SIG- Signal 26 EXC+ Excitation + 27 EXC- Excitation -

Number Label Description

Load Cell 3

28 SIG+ Signal + 29 SIG- Signal 30 EXC+ Excitation + 31 EXC- Excitation -

Load Cell 4

32 SIG+ Signal + 33 SIG- Signal 34 EXC+ Excitation + 35 EXC- Excitation -

Page 12

SCT-1100 Weight Transmitter

IMPORTANT

Note

EXC- SIG+

181920212223

SEN+EXC+ SEN- SIG-

CELL 1

18192021222332333435

EXC- SIG+SEN+EXC+

CELL 4 CELL 1

EXC- EXC+ SEN- SIG-SIG+SIG-

2.6 Connection to the Load Cell

The load cell 1 terminal board of the SCT-1100 must be connected to the 6-wire load cell; if using a 4-wire load in the load cell 1 terminal board, cell excitation must jumper to sense, See Figure 2-3. Load cells 2, 3, and 4 must be connected to 4-wire load cells, See Figure 2-4.

Sense is always enabled and, when not using 6-wire load cell, the sense terminals must be jumpered to the same polarity excitation wires.

The sense compensates for drops in voltage along the cable that connects the instrument to the load cell. Voltage is lost when the instrument and the load cell are greater than 30ft apart. A cable is typically provided with a load cell. When exceeding the length of the provided load cell cable, six wires must be used to compensate for voltage drop. It is, however, recommended to never cut or shorten the load cell cable.

Figure 2-3. Jumpered 6-Wire Connect

4-WIRE CONNECTION 6-WIRE CONNECTION

Figure 2-4. 4- and 6-Wire Connections

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Page 13

2.6.1 Input/Output Wiring

60 VDC 150mA max

OUTPUTS

48 VAC 150mA max

1234567 8

+24Vdc G ND C O M IN 1 IN 2 R L 1 R L 2 C O M

POWER IN RELAYS

Installation

Figure 2-5. Input/Output Wiring

• Output power: 48 Vac, 150mA max (or 60 Vdc, 150mA max)

• Input voltage: 12Vdc - 24 Vdc max

• Input current: 5 mA - 20 mA max

Page 14

SCT-1100 Weight Transmitter

Note

3.0 Operation

3.1 Basic Operation

Power must be provided to the SCT-1100 through an external AC/DC charger that supplies a stabilized voltage of 12 VDC to 24 VDC while connected to an appropriately rated AC power supply. Connect the two power supply wires to the appropriate terminals on the side of the instrument, See Figure 1-1 on page 3.

3.1.1 Turn on the Instrument

Press until the instrument turns on, then release. The instrument executes a start up procedure and displays the installed software version.

An auto zero function zeros the instrument at startup if the weight detected on the scale is ± 10% of the capacity. If the weight is not within this tolerance the instrument displays ZE RO and, after 10 seconds, the current weight is displayed.

The auto zero function at start-up can be disabled in the setup mode.

SE tu P C o n F i G PAr AM A u to-0 in Table 4-6 on page 24.

See

To view the following settings momentarily press while the display self-check is running:

• XX .Y Y – X X is the software release and YY is the sub release

• XX .Y Y – X X indicates the type of instrument, YY indicates the software version

• XX .Y Y.ZZ – the installed software version

• XX X X X X – the name of the installed software

• XX X . XX X – capacity and division of channel 1

• h i r ES – displayed together with the gravitational acceleration value of the area of use

The instrument then executes a self-check.

3.1.2 Standby

Press until OFF displays. The LED at the left of the display remains on.

3.1.3 Power Off the Instrument

To completely power off the unit, remove the power supplied voltage.

3.1.4 Zero

Press to zero a gross weight within ± 2% of the total capacity (or as set). Weight value displays as 0 and the relative annunciators illuminate.

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Page 15

Operation

Note

3.1.5 Tare

Semiautomatic Tare

Press to tare the weight value on the scale. tArE displays momentarily and then 0 (net weight). The relative annunciators illuminate.

Manual Tare

Press for a few seconds. -tM- displays and then 0 0 00 0 0 . Enter the desired tare value with the following keys:

selects the digit to be modified (moves left to right, selected digit blinks)

•

• decreases the blinking digit

• increases the blinking digit

•

momentary press clears the present value, long press returns to the weigh mode without saving changes

• confirms the entered tare value

The tare value is subtracted from the weight on the scale and the relative annunciators illuminate.

The entered tare will be rounded off to the nearest division.

Cancel a Tare

A tare value can be manually canceled in multiple ways:

• Unload the scale and press or

• Press without unloading the scale

• Enter a manual tare equal to zero

Locked or Unlocked Tare

When a tare value is entered manually, automatically or from storage the tare value displays with a negative sign when the scale is unloaded. This is known as a locked tare. An unlocked tare is automatically canceled each time the scale is unloaded.

To set the tare type:

1. Turn on the instrument and press while the firmware version displays. F .M o d e displays.

2. Press to enter the menu.

3. Press or until tArE displays. Press to select.

4. Press or to scroll through options.

• Lo C K – locked tare

• u n Lo CK – unlocked tare

• di SA b – disable tare

5. Press

6. Slowly press multiple times until SA V E? displays.

• Press to confirm and store to the instrument memory

• Press any other key to cancel and exit without saving

to confirm selection.

Page 16

SCT-1100 Weight Transmitter

Note

3.2 Multi-Range Function

The multi-range function allows for subdividing the scale capacity in two, each up to 3000 divisions.

Example: with a 10 kg cell platform it is possible to approve the weighing system with: Single range: 6 kg capacity and 2 g division (3000 div.) Dual range: 6/3 kg capacity and 2/1 g division (3000 + 3000 div.)

Multi-range functioning is indicated by illumination of the relative LED identifying the operating range; when the weight on the scale enters into the second range, the division of the second range is enabled. The first range division is restored only when the weight on the scale goes below the gross zero of the scale.

The selection of the range number with multi-range functioning is made during the instrument’s calibration, See Section 5.0 on page 32.

3.3 Display Configuration Data

The INFO function makes it possible to view the configuration data, such as:.

• First range capacity, first range minimum weight, first range division

• Second range capacity, second range minimum weight, second range division (if set)

• Gravitational Acceleration Value

The minimum weight corresponds to 20 net weight divisions

The data of the second range appears only if a range is configured

To view the configuration data:

1. Press and hold until inF O displays.

2. Release . The capacity value of the first range displays. Press or to scroll forward or back through the following data.

• First range capacity Ch1. MA X

• First range minimum weight Ch1.Min

• First range division Ch 1.E

• Second range division Ch1. MA X

• Second range minimum weight Ch1. Mi n

• Second range division Ch1. E

• Gravitational Acceleration Value GrAVit

• Number of Configured Channels ConF .C h

3. Press to return to the weigh mode.

Pressing when information of the currently active channel is displayed allows for the data of the other configured channels to be viewed. This selects and pauses the information for each channel, otherwise the information automatically cycles through all channels.

For example, if channels 2 and 3 are configured, for the maximum capacity of the 1st range:

1st range capacity channel 1 (1 C h 1 .MAX ). Press . 1st range capacity channel 2 (Ch2 .MAX ). Press . 1st range capacity channel 3 (Ch3. MA X).

3.4 Selecting the Channel to be Displayed

When indicator has multiple scale channels configured in tra n s M type mode or i nd .Ch type mode, it is possible to select the channel to be displayed using the key. See Section 4.3.1 on page 21 for configuring type parameters and Section 4.4 on

page 24 for configuring the number of channels.

1. Press and hold . The currently selected channel displays first followed by ChAn momentarily. A menu of available chanels displays.

2. Select the channel to be displayed. Press to confirm.

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Page 17

Operation

Note

3.5 Simultaneous Transmitter Mode

The tr a n sM mode makes it possible to have simultaneous transmission of the values on each single channel via the serial line. In addition, through the optional alibi memory board, the transmitted weight values can be stored in a computer for data processing and/or integration. The filed values can then be recalled from the PC serial line or directly on the instrument’s display. See Section 4.3.1 on page 21 for configuring type parameters and Section 4.4 on page 24 for configuring the number of channels.

In this mode the zero tracking and the scale keys , and are disabled. It is not possible to set functioning modes and the alibi mode is set automatically.

To set the transmitter mode:

1. Turn on the instrument and press while the firmware version displays. tY P E displays. Press to enter the menu.

2. Navigate to select t r An S M displays. Press to select.

3. Slowly press multiple times until SA V E? displays. Press

to confirm.

Operation

In the simultaneous transmitter mode it is possible to view the weighing information. See Section 3.7.2 on page 14 regarding Reviewing Stored Weigh Information.

• Press to switch channels, if the scale is configured as multichannel

• Only functions which can be enabled through serial commands can be performed; not all serial commands can be

performed; See Section 6.3 on page 42; it is not possible to carry out other operations in the simultaneous transmitter mode.

• The list of usable serial commands includes:

DINT, PCOK, STAT, KEYP, KEYR, KEYEE,KEYED

Pressing simulation of the scale keys through the KEYP and KEYR commands allows for management of the functions linked to the

key.

PID, ALRD, ALDL, VER, REXT, REXTA, READ, MVOL, RAZF, CGCHN, ECHO, DISP,

3.6 Selecting Printing Functions

Use the following procedure below to set printing functions (See Section 4.3.2 on page 21):

1. Turn on the instrument and press while the firmware version displays. F. Mo dE displays.

2. Press to enter the menu.

3. Press or until rE AC T displays. Press to enter the menu.

4. Press or to scroll through the options.

• ZE ro – rearms print at zero; only prints after rearming

• i n St – rearms print when weight becomes stable

• AL W A yS – prints when print key is pressed, regardless of condition

5. Press to confirm.

6. Slowly press multiple times until SA V E? displays.

• Press to confirm and store to the instrument memory

• Press any other key to cancel and exit without saving

Page 18

SCT-1100 Weight Transmitter

3.7 Selecting the Operating Mode

In addition to the standard weighing mode, the instrument can be set to carry out four alternative operational functions. Each operating mode activates certain LEDs.

To set the operating mode:

1. Turn on the instrument and press while the firmware version displays. F. Mo dE displays. Press to enter the menu.

2. Navigate to Fun C t. Press to enter the menu.

3. Select operating mode:

• Co nver – convert displayed value to a calculated value, See Section 3.7.1

• Al i b i - Alibi memory, See Section 3.7.2

• Vi SS – sensitivity times ten, See Section 3.7.3 on page 15

• PE A k – peak hold detector, See Section 3.7.4 on page 16

4. Press to confirm selection.

5. Slowly press multiple times until SA V E? displays.

• Press to confirm and store to the instrument memory

• Press any other key to cancel and exit without saving

3.7.1 Conversion

This function toggles the displayed weight between the scale unit of measure and an alternative unit measure.

• Long press to set the conversion factor

• Short press to toggle between the unit of measures

• Press to save the conversion value

3.7.2 Alibi Memory

The alibi memory allows for transmitted weight values to be filed in the PC for data processing and/or integration. The filed values can then be recalled from the PC serial line or directly on the instrument’s display for a following check.

Storage of a weight value occurs following the reception of the serial command or by pressing . The instrument transmits the gross and tare weights and an ID on the serial port.

The ID has the format: <Rewriting number>-<Weigh number>

• The rewriting number is a five digit number from 00000-00255; it indicates the number of complete rewritings of the alibi

memory

• Weigh number is a six digit number from 000000-131072; it indicates the weigh number in the current rewriting of the

alibi memory. The weigh number is increased by 000001 with each weigh storage. Once the value reaches 131072, it restarts from 000000.

The storage of a weigh value occurs only if the gross weight is greater than or equal to zero, it is stable and valid (not in underload or overload). Depending on how F.M od E r EACt has been configured in the technical set up, the storage of a weight by pressing a key is possible only if the condition is met (weight exceeds zero, weight instability or always).

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Page 19

Reviewing Stored Weigh Information

Note

To review stored information:

1. Press . r E W.id displays.

2. Enter the rewriting number (from 00000-00255).

3. Press .  displays.

4. Enter the weigh number (from 000000-131072).

5. Press . The weigh information displays.

6. Press or to view the weigh information.

• ch .x - x is the scale number (from 1-4)

• u myy - y y is the unit of measure (lb, kG, G )

• G r oS S momentarily displays and then the gross weight value

• tA r E orTa r E Pt (manual tare) momentarily displays and then the tare weight value

7. Press to return to the weigh mode.

Operation

If the alibi memory is empty and is pressed, mode.If the entered ID is not valid,





displays momentarily and the instrument returns to the weigh

displays and the instrument returns to the weigh mode.

Clearing the Alibi Memory

The alibi memory can be cleared directly on the instrument in the SE T UP i n i. ALparameter.

1. Turn on the instrument and press while the firmware version displays. F. Mo dE displays.

2. Press until SEt Up displays. Press to enter the menu.

3. Press or until in i. AL displays. Press . i. AL ib .?displays.

4. Press to clear the alibi memory or any other key to cancel.

• AL .OK displays if the operation is successful

• AL .ER R displays if the memory was not successfully cleared (repeat procedure)

5. Press to return to the weigh mode.

It is not possible to clear an individual weigh record.

3.7.3 Sensitivity Times Ten

This mode converts the weight to sensitivity times ten for display and is used for testing during calibration.

Press to toggle the weight display between standard sensitivity and sensitivity times ten.The last digit on the right of the display has a sensitivity equal to the scale’s division divided by 10.

Page 20

SCT-1100 Weight Transmitter

Note

3.7.4 Peak Hold Weight Detection

This mode can be used to store the maximum (peak) weight value measured during the weighment.

Operation

If Peak Hold Weight Detection has been set as the functioning mode, the following functions are enabled while in weigh mode:

1. Press to enable the peak weight detection. -PEAK- displays alternately with the maximum weight value reached up to that point.

2. Press again to terminate the peak weight detection. Peak weight detection also terminates if the weight surpasses the maximum capacity of the instrument. In both cases, PEAK.o F displays and then the current weight on the scale displays. The detected weight value will be:

• The maximum before a rapid decrease of the weight (measurement of the highest weight)

• The maximum and persistent weight detected on the scale

Exit the peak mode to toggle from one scale to another when multiple scales are connected to the instrument.

Setting Sampling Time

To set the minimum sample time of the peak weight detection while in weigh mode:

1. Press and hold .

2. Select PI C . tl M. displays followed by a number which corresponds to the minimum time length of the impulse expressed in hundredths of seconds.

3. Press or until the desired value displays. See Table 3-1 for a list of settable values.

4. Press to confirm. The instrument returns to the weigh mode

Time in

1/100 sec

1 400 1 1 2 200 1 1 3 100 1 1 4 100 4 2

5 50 4 2 10 25 4 2 20 12 4 2 50 6 4 2

100 6 8 2 127 6 12 2

Table 3-1. Sample Times in Peak Weight Detection

Sample per

Second

Acquired

Values

Mediated

Values

The peak detection function sensitivity is dependent on the parameter set. The higher the number of samplings, the greater the sensitivity. If an unexpected peak is detected immediately, decrease the sensitivity.

Example: If 0.000 lb is on the load cell of 20 lb (350 Ω), and the sampling time is equal to 1, when the peak function is enabled, 0.005 lb displays.

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Page 21

Setup Mode

4.0 Setup Mode

The setup mode is used to set the functioning parameters of the instrument. There are two setup menus in the SCT-1100.

• The Quick Setup Menu is a limited menu that includes settings essential to basic scale configuration such as quick calibration and communication. To enter the quick setup menu, press to turn the instrument on. Press as the

firmware version displays. See Section 4.2 on page 18 for more information on the quick setup menu

• The Setup mode Menu is a more in-depth menu that incorporates all configuration settings. To enter the setup mode,

press to turn the instrument on. Press as the firmware version displays. See Section 4.3 on page 20 for more

information on the Setup mode menu

4.1 Setup Mode Navigation

Use the keys on the front panel of the indicator to navigate trough the menu options as follows:

Key Function

Scroll through parameters

In numeric input: decreases the digit to be modified Scroll through the parameters

In numeric input: increases the digit to be modified Quickly position at the first step of a menu

In numeric input: selects the digit to be modified, from left to right Enter into a parameter or confirm a setting

In numeric input: confirms the entry made

Exit a step without confirming the setting

In setup: press multiple times to display SA v E? prompt and/or press to exit a step without confirming the setting

In numeric input: clears the present value

Table 4-1. Key Functions in Setup Mode

Page 22

SCT-1100 Weight Transmitter

Press and to set decimals and minimum division.

Press , and to set the total capacity of the load cells. Press , and to set the mV/V sensitivity of the load cell. Press , and to set the dead load present on the load cell.

Press , and to set the scale capacity.

Apply calibration weight. Press , and to enter calibration weight that was applied.

Set the analog output on net or gross weight.

Select channel to be configured.

Set the maximum value of the analog output. Set the analog output when the scale shows zero weight. Set the minimum value of the analog output.

Set the key to be emulated by the input.

Press and to select number of channels. Press and to select channel to calibrate.

Press and to set channel type ind.ch, transm, or dep.ch.

For new acquisition of zero, with scale empty. Establishes new zero reference.

Disabled.

Setpoint on the gross weight.

Setpoint on the net weight.

Press , and to set number of additional units. Press and to set baud rate.

Set the output normal state.

Quick calibration of zero.

Check the load cell signal in millivolts.

FUNC

set.Add

baud

OUT.01

No/NC

485

oUTPUT

Ao ZER

MODE

chan

Ao MAX

INP.02

Ao MIN

INP.01

OUT.02

nChan

Chan

type

CEL.CAP CEL.SEN DEAD.LD

CAPAC

0.CALIB ZERo SPAN

ADC.uV

AN.oUT

INPUTS

NoNE

GRoS

NET

DIV.DEC

Note

4.2 Quick Setup Menu

When settings are complete pres weigh mode. Pressing any other key exits the setup and discards changes.

Figure 4-1. Quick Setup Menu

s until the indicator displays SAVE?. Press to save set up and return to

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Page 23

Setup Mode

4.2.1 Default Factory Calibration

The instrument is shipped with the following default calibration settings: See Table 4-4 on page 22 to return indicator to default settings.

• Capacity – 10,000 lb

• Load cell sensitivity – 2.000 mV/V

• Division – 1

4.2.2 Quick Scale Setup

Use this procedure to set the scale(s). Cells may need to be rimmed and summed with a junction box if more than one is connected. See Section 5.2 on page 33 for full calibration procedures

1. Restart indicator. Momentarily press during startup to display quick setup menu. tyPE displays. Press to set parameter.

2. Navigate to select desired channel type. Press . nChandisplays. Press to set parameter.

3. Navigate to select number of channels to be used. Press

to set parameter.

4. Navigate to select a channel to configure. Press

5. Navigate to select decimal and minimum division settings

6. Set the total capacity of the scale. Press to confirm. CEL.CAP displays. Press to set parameter.

7. Set the total capacity of the load cells. Press to confirm. CEL.sen displays. Press to set parameter.

8. Set the mV/V sensitivity of the load cells. Press to confirm. dead.Ld displays. Press to set parameter.

9. Set the dead load. If unknown, enter all zeros. Press to confirm.

10. If configuring multiple channels, navigate to return to Chan. Repeat steps 6-18 for each channel to be configured.

div.deC displays. Press to set parameter.

. If multiple channels are chosen, Chan displays. Press

. Press . CAPAC displays. Press to set parameter.

11. Press

12. Press to confirm. Store displays momentarily and the instrument reboots.

until the instrument displays SAVE?.

4.2.3 Analog Output

See Section 4.6 on page 30 for Analog Output Settings.

4.2.4 Inputs

See Section 4.5.1 on page 27 For Input setup parameters.

4.2.5 Output Functions

SeeSection 4.5.2 on page 28 for Output Functions.

Page 24

SCT-1100 Weight Transmitter

F.Mode

diaG

div.int

adC.vu

adC.pnt

WeIGHT

CAL.PTS

DISPLA

kEYB.

SER

CTS.ST.

oUTPUT

iNPUTS

AN oUT

SER.NUM

S.RADio

PRG.VER

RS.ZERo

TARE

REACT

FUNCT

type

ind.ch transm dep.ch

conver

alibi

viss

peak

setup

ConfiG

dsp.rf

serial

ini.al

inputs

output

an.out

defau

i.aLib.?

inp.1

inp.2

zero inst

aLWAYS

LOCK

disab

unLOCK

NORM

2.5 5

10 20

zero none

dis.hey

off

mode tare

disab

ENAB

4.3 Setup Mode Menu

LEGEND

= USER & TECH MENU

= ONLY TECH MENU

Figure 4-2. Setup Mode Menu

See Figure 4-5 on

page 24.

See Figure 6-1 on

page 39.

See Figure 4-6 on

page 27.

See Figure 4-7 on

page 30.

20 Visit our website www.RiceLake.com

Page 25

Setup Mode



rs.zero

tare

reaCt

f.mode

conver

funCt

alibi

viss

peak

zero inst

aLWAYS

LOCK

disab

unLOCK

disab

ENAB

4.3.1 Type Parameters

Select the application type:

• an independent scale on each channel

• a scale with dependent channels summed or

• scales with independent channels simultaneously viewable on the PC.

Settings Description

in d .C h Instrument connected to 1, 2, 3 or 4 independent scales; to set channels, see Section 3.4 on page 12. de p.Ch Instrument connected to a scale with 2, 3, or 4 dependent load cells (could be digitally summed) tr ansM Independent channel; transmits values read by each chanel through the serial line; See Section 3.5 on page 13

Table 4-2. Type Parameter

4.3.2 F.Mode Parameters

The function mode parameters set the functionality of the scale. The function mode parameters set four operations that can be accessed with the > key. It also sets the functionality of printing, taring and zeroing.

Figure 4-3. F.Mode Menu

Parameter Settings Description

Fu nc t Functioning Mode

NOTE: For the details of the operating modes, see Section 3.7 on page 14. Once the functioning mode is selected, if a printer is configured, the printout is automatically enabled. This parameter is not displayed if trA nSM is set in the tY PE parameter.

Co nver Convert the current displayed value to a calculated value; if the Mode key is pressed for 1 second, the conversion value

can be edited, See Section 3.7.1 on page 14

Al ibi Alibi memory, See Section 3.7.2 on page 14 vi ss Sensitivity times ten when the mode key is pressed, See Section 3.7.3 on page 15 PE AK Peak hold detector displays PEAK and alternates with displaying the highest captured value after the mode key is

pressed, See Section 3.7.4 on page 16

reaC t Sets the re-enable function of printout based on this criteria: rearm at zero, rearm when weight is unstable, or always print when the print

button is pressed, See Section 3.6 on page 13

ze ro Rearms print function after weight returns to zero; only prints once after rearming in st Always prints when print key is pressed AL WA YS Instability rearms the print function when the weight becomes unstable; only prints once after rearming and weight

becomes stable

ta re When a tare value is entered manually, automatically or from storage the tare value displays with a negative sign when the scale is unloaded.This is

known as a locked tare. An unlocked tare is automatically canceled each time the scale is unloaded, See Section 3.1.5 on page 11

Lo Ck Retains tare value until manually cleared di sa b Tare value cannot be entered Un loC k Tare value is automatically cleared when gross weight is zero

rs .z ero Enables restoring the last captured zero after a power cycle

di sa b Disables restore zero after power cycle En ab Enables restore zero after power cycle NOTE: This parameter does not display if TrA nS M is selected in the TY P E parameter.

Table 4-3. Function Mode Parameter

Page 26

SCT-1100 Weight Transmitter

setup

ConfiG

dspr.rf

serial

ini.al

inputs

output

an.out

defau

i.aLib.?

inp.1

inp.2

NoRM.

1 hz

2.5 hz 5 hz

10 hz 20 hz

zero none

dis.hey

off

mode tare

4.3.3 Setup Parameters

See Figure 4-5 on

page 24.

See Figure 6-1 on

page 39.

See Figure 4-6 on

page 27.

See Figure 4-7 on

page 30.

Figure 4-4. Setup Menu

Parameter Settings Description

Co nfi G Configuration Parameter - See Table 4-6 on page 24 ds p, rf Sets the speed of the display refresh

no r m The function is disabled 20 hz 20 display update / sec refresh rate 10 hz 10 display update / sec refresh rate

5 h z 5 display update / sec refresh rate

2. 5 h z 2.5 display update / sec refresh rate 1 h z 1 display update / sec refresh rate

Seri a L Serial Communications Setup, See Table 6-3 on page 40 in i. a L

in put s Input Configuration – sets the function of each input ou tp ut Output Configuration; See Table 4-9 on page 28 An .o u t Analog Output Configuration; See Table 4-10 on page 30 De FA U

Initialize alibi memory – The initialization cancels all the data stored in the alibi memory; press to enter the operation, theni.A Lib.? displays; press again to confirm or any other key to cancel; AL. OK

displays if the operation is successful; if not, A L. ERR displays; the

parameter displays only if the alibi functioning mode is selected

Default settings – restores instrument default settings; press ; de fa u? displays; press to confirm or exit by pressing any other key

NOTE: Returning the instrument to default settings cancels the present calibration.

Table 4-4. Setup Parameters

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Page 27

4.3.4 Diagnostic Menu

See the Figure 4-2 on page 20 for the diagnostic (diAG) menu structure.

Settings Description

Pr G. ver

di v. i nt

ad C.Uv

ad C.Pnt

WeiG h t

CA L.Pt s

di sP LA

Ke yb

Ser

Cts. S t

ou t PU t

in PUt s

An Out Analog Output Test – provides a basic test to verify correlation of weight and analog output; See Section 4.6 on page 30

SEr. n uM Serial Number – displays the instrument’s serial number S. ra dio

Press to display the software version

Press to display the calibration internal divisions; The parameter displays only in a primary instrument

Press to display the microvolts relative to the weight on the scale; use configured channel of the scale; in the dEP .C h mode it is also possible to view the sum of the microvolts of the configured channels;

Su M displays briefly; if the instrument displays the message ER RO R check the connection of the SCT to the junction box and load cells; the parameter displays only in a primary instrument

NOTE: The maximum input voltage the instrument accepts is 30 mV (30000 µV); the scale system is powered by the instrument at 5 Vdc; in a properly operating system there will be less than 30000 µV with full capacity on the scale system

Press to display the A/D converter points relative to the weight on the scale; press points for each configured channel; in the deP . CH mode the sum of the microvolts of the configured channels can be viewed. (C S uM

displays momentarily)

Press to display the weight on the scale; press

Press to alternately display the A/D converter points and the corresponding weight value; use display to each calibration point and relative weight value

Display Test – press to turn on display segments one at a time; continue pressing ; The instrument turns on the display segments, one at a time, then exits automatically from this step

Keyboard Test – press , then 0000 displays; press the keys on the keyboard, one at a time, to display related codes; press any key three times to exit

RS-232 Serial Port Test – press , then XY; X displays, in which Y indicates the status of the PC serial port

•  – Serial port is not working

•  – Serial port is working

Press

CTS Status Test – press to view the CTS signal status of the printer connected to the PRN serial port

Output Test – press , then rEL.1 displays and output 1 is enabled; press

Input status – press , then 1. b x- Y; X displays, in which y indicates the input status

Press

Press , then 00000 displays. Enter a value between 00000 and 65535 and confirm by pressing ; the instrument assigns the corresponding analog value in output

Press on the same entered value

Press to select the desired radio channel; OKdisplays if the configuration is successful, E R R o R displays if not successful

or to change the status of the serial port

•  – disabled

•  – enabled

or to change the input status

or to view the weight on each connected scale

or to display the microvolts for each

or to display the A/D converter

or to switch the

or to enable the other outputs

Table 4-5. Diagnostics Menu

Setup Mode

Page 28

SCT-1100 Weight Transmitter

fiLT.50

CONFIG

param

Grav.

Calib

0.CALib

yes

Chan 1..4

nChan 1..4

stabiL

div.stb. XX

CyCLe C.PERC XX

Enab C.PERC XX

DISAB

0.traCK

0-perC

auto-0

FLT.3 - .0

CUSToM

FF400

FF200.3 - .1

FF50.3 - .1

DYN.3 - .0

H.R.6 - .0

FF100.4 - .1

TR 1/2 TR 1/4

TR NO TR 10

TR 8 TR 6 TR 4 TR 2 TR 1

4.4 Configuration Menu

See Section 5.1 on

page 32.

Parameter Settings Description

nCha n Ch . 1

Ch an C h. 1

Fi LT . 50 no = disable

Ch .2 Ch .3 Ch .4

yes = enable

Selection of number of channels to be utilized

Selection of active channel; 1 to 4 in scales with non dependent channels functioning mode (ind . Ch /tr an sm )

NOTE: The parameter is not displayed if dEP .C h is set in the channel application, SE t uP

Enable or disable the 50Hz filter

Table 4-6. Config Menu Parameters and Settings

Figure 4-5. Configuration Menu



Co nFi G  nCh An.



tY PE. parameter or in the event of a single

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Page 29

Parameter Settings Description

PA ra M Metrologic parameters

St abiL Select and set the type and degree of filtering; See Section 4.4.1 on page 26

FL t 0 - 3 – filter for simple weighing Cu St oM – customizable filter for manufacturer use F. F. 200 .1 - 3 – filter at 200 Hz F. F. 50. 1 - 3 – filter at 50 Hz dy n. 0 - 3 – filter for crane scale h. r. 0 - 6 – filter for high resolution F. F. 100 .1 - 4 – filter at 100 Hz F. F. 40 0 – filter at 400 Hz

NOTE: The F. F. 20 0.1 -3 and F .F .4 00 filters cannot be used in the dE P. Ch 2, 3 and 4 channel functioning modes.

With a Legal for Trade instrument, only the FL t 0 , FL t 1, FL t 2, F Lt 3 parameters can be selected.

Au to -0 Automatic acquisition of the gross zero at startup (default is 2% of capacity)

di SA b – disabled En Ab – enabled on scale 1 CY CL E – Executed cyclically on all the present scales. This parameter is not visible if there is only one scale

NOTE: If auto zero parameter is enabled, 0.PEr C displays and a value between 1 and 50 as a percentage of the capacity of the auto zero must be set.

0- PErc

0. tr aCK Zero tracking – This menu allows setting the zero tracking (compensation parameter of the scale’s thermal drift); the

di v. S t b Divisions by stability – enter the number of divisions by which the instrument detects the weight stability; a higher

Gr aV,  Gravity acceleration – See Section 5.7 on page 37 Ca li b  Scale calibration – See Section 5.0 on page 32

0. C a L ib  Zero calibration – See Section 5.0 on page 32

Zero capacity – This menu allows to set (0-50%) of capacity that can be zeroed by pressing zero key ( ); Entering 0% disables the zero key ( )

set value corresponds to the number of divisions tracked off in 1 second

tr 1/2 – ± half division tr 1/4 – ± one fourth of a division tr No – tracking disabled tr 10 – ± ten divisions tr 8 – ± eight divisions tr 6 – ± six divisions tr 4 – ± four divisions tr 2 – ± two divisions tr 1 – ± one division

number of divisions makes stability more easily detected; Settable values are 0 (weight always stable) to 99

Table 4-6. Config Menu Parameters and Settings (Continued)

Setup Mode

Page 30

SCT-1100 Weight Transmitter

4.4.1 Filter Parameters

Standard digital filtering uses mathematical averaging to compensate for the noise that the A/D converter sends periodically because of external vibration. This filter compensation makes data less susceptible to a DC signal bias error for some signals.

Each of the filters of the SCT-1100 are intended to compensate for different types and intensities of digital noise and vibration. Below, find general usage for each family of filters and the A/D Rate and Window for each filter within those families:

Name A/D Rate Window

Static Weighing on platform

FLT 3 25 24 FLT 2 25 16 FLT 1 25 12 FLT 0 25 8 CU ST OM For manufacturer use

only High Speed Weight Capture F. F. 4 00 400 24 Filling or Dosing

F. 200.3 200 30 F. 200.2 200 32 F. 200.1 200 32

Instability, motion or vibration

F. 50 . 3 50 20 F. 50 . 2 50 22 F. 50 . 1 50 22

Table 4-7. Filter Values

Name A/D Rate Window

Suspended and oscillating loads

DY N.3 6 12 DY N.2 6 12 DY N.1 6 12 DY N.0 6 12

High Resolution Weighing

H. R .6 6 32 H. R .5 6 24 H. R .4 6 24 H. R .3 6 12 H. R .2 6 12 H. R .1 6 10 H. R .0 6 8

Filling or Dosing

F. 100.4 100 26 F. 100.3 100 24 F. 100.2 100 20 F. 100.1 100 10

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Page 31

Setup Mode

Note

setup

output

inputs

out. 1

out. 2

fun C 1 GRoS

0 Non e

30.net.t

29 err

28.k.tar

27.k.zer

26 k.C

25. k.m o d

23 k. pr

6 moti

5net.0

4 Gro.0

2 net

DRCT

STBL

iST. o n

ist.off

xxx.x

no/nC

oNSTAT

RL.iST

ENAB.TM

DELAY

inp.01

inp.02

zero

none

di s. k e y

off

pri n t

mode

tare

4.5 Input/Output Functions

The instrument is fitted with two opto-isolated inputs and two dry contact outputs. See specifications in Section 2.5 on page 7.

Some of functioning modes of the outputs are relative to the specific functioning modes of the instrument; see the following descriptions for the details.

Figure 4-6. Output Menu

4.5.1 Input Functions

The input configuration menu sets the function of each of the inputs

Parameter Settings Description

in pu ts in p .0 1

in p. 0 2

Input 1 or Input 2

NOTE: In the event two inputs are simultaneously enabled, only the lowest number input will activate.

Ze ro

no ne

di s. ke y

of f

pr in t

Mo de

ta re

– Zero key – Disabled (Default for input 1)

– Disables the keyboard

– Turning off the instrument

– C key – ON/OFF key

– Print key

– Mode key (Default for input 2)

– Tare key

Table 4-8. Input Functions

Page 32

SCT-1100 Weight Transmitter

Note

CCC

4.5.2 Output Functions

The parameters of each of the outputs is set in the setup outPut menu. See Figure 4-6 on page 27.

Some of functioning modes of the outputs are relative to the specific functioning modes of the instrument; see the following descriptions for the details.

Parameter Settings Description

FU nC

Define the functionality of each output 1 Gr o S Setpoint based on the gross weight (Default)

Functioning with hysteresis ( parameter set at )

Setpoint based on gross weight; Two setpoints for each output must be set; one which disables the output when the gross weight falls below that setpoint; and one which enables the output when the gross weight is equal or greater than that setpoint

1. Press and hold to enter the setpoint values for each configured output

2. Select InP . St P. S . 1 on displays (output 1 – this enables the setpoint). Press .

3. Enter the weight value. See Section 4.1 on page 17 for key function. Press to confirm. S.1 o FF displays (output 1 – this disables setpoint) Press .

4. Enter the weight value. Press to confirm

5. Repeat steps 1 to 8 for all outputs

6. Slowly press multiple times until SAV E? displays.

- Press to confirm and store to the instrument memory

- Press any other key to cancel and exit without saving

Functioning without hysteresis (rL . iSt parameter set at i St . oF F)

Enables output function on gross weight; One setpoint for each output is set

1. Press and hold to enter the setpoint values for each configured output

2. Select InP .St P. S.1 o n displays (output 1 – enabling setpoint) Press .

3. Enter the weight value; See Section 4.1 on page 17 for key function. Press to confirm.

4. Repeat steps 1 to 5 for all outputs

5. Slowly press multiple times until SA VE ?displays.

- Press to confirm and store to the instrument memory

- Press any other key to cancel and exit without saving

• The configuration of setpoints cannot be accessed if all outputs are set in the N O NE functioning mode, or if the selected functioning mode does not require entry of a setpoint value

• With the instrument off or in standby outputs are normally open

• The disabling setpoint must be equal to or less than the enabling setpoint; if the disabling setpoint is set at a value greater than the enabling setpoint the instrument sets the setpoint to zero until a valid value is entered

• If the enabling setpoint is set at a value lower than the disabling setpoint, the enabling setpoint is entered and accepted, however, the disabling setpoint will be set to zero

• A zero value is valid on both the enabling and disabling setpoints

• A setpoint value remains active while modifying the setpoint until the new value is confirmed

• The tare operations are active

• These outputs are enabled by pressing a key ( two seconds the output is disabled and remains disabled until the following pressing of the key

, , , or ); if the key press time is greater than

IMPORTANT: the weight thresholds set with are common to all connected scales; it is not possible to have different thresholds for different scales. The value assumes the unit of measure and decimals of the selected channel; for example, if 1000 is the set value, the setpoint values will be the following:

Channel Unit of Measure Decimals setpoint Value

1 kg 3 1.000 kg 2 g 0 1000 g 3 kg 2 10.00 kg 4 g 1 100.0 g

Table 4-9. Output Functions

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Page 33

Setup Mode

Parameter Settings Description

FU nC 0 no ne No function, the output is inactive

2 ne t Setpoint based on net weight. Setpoints are set in the same manner as gross weight; See 1 G ros in Table 4-9 on

page 28. In addition setpoints can be set and activated on a negative weight

• Positive weight (SiG n set at P O S it )

• Negative weight (SiG n set at n E GA t)

30 . net .t Setpoint based on the net weight with tare activated; selecting this mode the function of the output on the net weight is

activated if a tare is entered

29 E rr Error indication. Function of the output is enabled on an invalid weight (overload/underload), or without the signal

coming from the cell (disconnected cell)

NOTES:

• In the ind . Ch and trAn SM mode the output is enabled only when the condition takes place on the selected

channel.

• In the dEP .C h mode the output is enabled when the condition takes place on any of the set channels.

28 k .t ar Tare Key – function is enabled when TARE key is pressed 27 k . ze r Zero Key – function is enabled when ZERO key is pressed 26 k. c

25 k. M od Mode Key – function is enabled when MODE key is pressed 23 k. Pr Print Key – function is enabled when PRINT key is pressed 6 Not i Instability – Output is on for an unstable weight 5 n E t .o Setpoint based on net weight being at zero 4 G r o. 0 Setpoint based on gross weight being at zero

no /n c NO/NC Contacts

• n o – output normally opened

• n C – output normally closed

on St at Switching condition

• d rC t – the output is activated when the weight reaches the set threshold, (independently from the stability) and is disabled when the weight goes below the set disabling threshold

• S tb L – the output is activated when the weight, after reaching the set activation thresholds, becomes stable; the output is disabled when the weight, after going below the set disabling threshold, becomes stable

rL .i st Hysteresis

• i St .o FF – hysteresis disabled

• i St .o n – hysteresis enabled

En Ab.t M Enabling time – enter the length of time the output is enabled in seconds (4 digits with a decimal); the output is disabled once the set

time has passed, starting from the moment of the activation (see deL ay ); by setting 000.0 the output remains always active

NOTE: The delay time is only evaluated when a setpoint on gross weight, setpoint on net weight or is selected as an output function.

de La y Enables delay period – enter the enabling delay period in seconds (4 digits with a decimal);

The output is enabled once the set time has passed, starting from the moment the condition takes place; By setting 000.0 the output is enabled when the enabling condition takes place

NOTE: The output is enabled only if the enabling condition takes place for the length of time set. The delay is valid only for the enabling of the output. When the enabling condition no longer takes place the output is disabled.

In a switching condition with stability, the output is enabled only when the weight is stable. The delay time is evaluated when a setpoint on gross weight or setpoint on net weight is selected as an output function.

C Key – function is enabled when is pressed

Table 4-9. Output Functions (Continued)

Page 34

SCT-1100 Weight Transmitter

Note

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4.6 Analog Output

An optional analog output is configurable at 0-20mA, 4-20mA, 0-10Vdc, 0-5Vdc; with minimum and maximum settable values. The output voltage and the current from the interface are proportional to the gross weight or net weight present on the scale.

The analog output is updated every 20ms and takes on the value corresponding to the weight converted in that instant; therefore, as the filter is increased, the analog output update rate will slow down.

Scale needs to be calibrated per Section 5 before analog output can be calibrated

To configure the parameters, enter the setup mode and SEtuPAn.out.

Figure 4-7. Analog Output Menu

Parameter Description

ch an Select the active channel 1-4 in the scale with non dependent channels mode (/ ); The parameter is not displayed 

is set in the  parameter or in a single channel application, 

Mode Select the type of analog output:

Ao no – analog output disabled Ao Gro – analog output tracks gross weight Ao nEt – analog output tracks net weight

Once the functioning mode is confirmed, set the values of the analog output; the digital/analog converter values are entered (between 0-65535) which corresponds to an output value in voltage or in current The instrument keys have the functions:

– decreases the selected digit (blinking)

– increases the selected digit (blinking)

– selects the digit (blinking) from left to right

– press once to enter a value, the corresponding output analog value is enabled; press a second time to confirm and exit the step

– press to quickly zero the present value to 000000

Ao Max Set the maximum value of the analog output:

• With a positive weight – the value of the output when the weight is greater than or equal to the full scale capacity; also corresponds to the overload condition

• With negative weight – the value of the output when the negative weight is greater than or equal to the full scale capacity, also corresponds to the underload condition

The value can be between 0 and 65535 (values of the digital/analog converter); if a higher value is entered, the instrument zeros the value

Ao Zer Set the analog output value when the scale displays zero weight (supplied when the scale is in underload); this value can be

between 0-65535 (values of the digital/analog converter); if a higher value is entered, the instrument zeros it

Ao Min Set the minimum value of the analog output:

• With positive weight – the minimum value provided by the analog output, corresponding also to the underload condition

• With negative weight – the minimum value provided by the analog output, corresponding also to the overload condition

This value can be between 0 and 65535 (values of the digital/analog converter); If a higher value is entered, the instrument zeros it.

Table 4-10. Analog Output Parameters

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Page 35

Setup Mode

Ao = Analog output

Calibrating Analog Output

The following calibration procedure requires a multimeter to measure voltage or current output from the analog output module.

1. Enter setup mode and go to the A n out menu (see Table 4-10 on page 30).

• Set ao M I N to lowest weight value to be tracked by the analog output

• Set ao M A X to highest weight value to be tracked by the analog output

2. Connect multimeter to analog output:

• For voltage output, connect voltmeter leads to pins 3 and 4

• For current output, connect ammeter leads to pins 1 and 2

3. Adjust zero calibration: Scroll to the ao ZE R parameter. Check voltage or current reading on multimeter. Press and hold or to adjust the zero value up or down.

4. Return to normal mode. Analog output function can be verified using test weights.

Approximate Values Between The DA Converter and Analog Output

D/A Converter Voltage Current (mA)

1200 0 0 12700 -- 4 58600 -- 20 62650 10 --

Table 4-11. DA Converter and Analog Output

Positive Weight Negative Weight

Figure 4-8. Analog Output

Page 36

SCT-1100 Weight Transmitter

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5.0 Calibration

The type of calibration used is dependent on the type of application chosen for the instrument: independent channels (ind.Ch) and dependent channels for (dEP.Ch), which can be digitally equalized. See the type parameterin Table 4-2 on page 21.

5.1 Calibration Menu

Figure 5-1. Calibration Menu

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Page 37

Calibration

Note

5.1.1 Calibration Parameters

Parameter Settings Decription

NC han Select number of channels. See Table 4-6 on page 24 Ch an Select current channel to configure. See Table 4-6 on page 24 Gr aV, 9,75 00 1-9 ,8 4999

default: 9, 80 655

de c Decimal Point Location – when combined with the decimal point location, specifies the location of the decimal point or dummy zeroed in the

unit display

u. n . Units – specifies units for displayed and printed weight di v Display Divisions – selects the minimum division size for the displayed weight; scale capacity is determined by display division x graduations RA NGE 1 Maximum weight for first range or interval RA NGE 2 Maximum weight for second range or interval CA LL I B. P Calibration

NT P Number of calibration points TP O Set weight value of unloaded scale

DD T 1 Enter weight value of first sample weight

TP 1 Add first sample weight and set calibration point

DD T 2 Enter weight value of second sample weight

TP 2 Add second sample weight and set calibration point

DD T 3 Enter weight value of third sample weight

TP 3 Add third sample weight and set calibration point

TH EO . CA Theoretical Calibration

CE L. SE N Cell sinsitivity in mV/V

CE L .C AP Cell Capacity in the configured unit of measure DE AD . LD Weight of the structure bearing on the load cells KN O. W G T Known value of the sample weight

MA N. C AL Manual Calibration - manually change the weight and ADC value of calibration points

MO D. PN TH Select calibration point to change

WE IG HT Enter or confirm weight value

PO IN TS Enter or confirm ADC value

0.calib Performs a zero calibration

Gravity acceleration – select the acceleration value of calibration location and installation location of the instrument; manual entry of the g value: the gravitational acceleration value may be manually entered; the minimum decimal

value is 9.75001m/s

; any decimal number that is not between 9.75001 and 9.84999 m/s2 (inclusive), is incorrect.

Table 5-1. Calibration Parameters

In the case that a number needs to be entered to set a parameter, press to select the digit to be modified and or to increase or decrease the digit.

To navigate a menu to select an option, Press or .

5.2 Procedure

Use this procedure to set the scale(s). To connect more than four cells, it is necessary to trim the cells.

1. Restart indicator. Momentarily press during startup to display setup mode. tyPE displays. Press .

2. Navigate to select channel type. Press when the desired channel type is displayed to select it.

3. Navigate to s e t u p

4. Navigate to set the number of channels (Ch1 - Ch4). Press to confirm the desired number of channels. FiLt.SO displays.

5. Navigate to CALib. Press to set parameter. dECi displays. Press to set parameter.

6. Navigate menu to select the decimal point location parameter.

Co nF iG nChan. Press to set parameter.

. Press to confirm selection. u.M. displays. Press to set

Page 38

SCT-1100 Weight Transmitter

Note

By setting the divisions of the first range, the divisions for the second range are automatically set.

7. Navigate to select the unit of measure. Press to confirm selection. div displays. Press to set parameter.

8. Navigate to select the scale’s minimum division, or the first range of dual range. Press displays. Press to set parameter.

9. Enter the total capacity of the scale, or

Section 3.2 on page 12 for more information on multi-range functioning.

10. For dual range scale only:

• Navigate to select rA nG E 2 . Press to set parameter

• Enter the second range. Press to confirm. Calib.P displays.

ranG e 1 if using multi-range functioning. Press to confirm. See

to confirm value. rA n GE1

11. Press reboots.

Perform this procedure for each connected channel.

until the instrument displays SAVE?. Press to confirm. Store displays momentarily and the instrument

5.3 Calibration Single Channel (Known Weight)

Use this procedure to calibrate a scale in the ind.Ch, dEP.Ch or transMfunctioning mode and with a known calibration weight.

1. Restart indicator. Momentarily press during startup to display quick setup menu.

2. Navigate to ZEro. Ensure all weight is off the scale then press .

3. Wait until WEiGhtdisplays. Press to set parameter.

Enter the weight value of first sample weight. Press .

5. Place calibration weight on the scale. Press to confirm.

6. Wait until AdC.MUv displays, then remove the weight from the scale.

7. Press . SAVE? displays.

8. Press to confirm. Store displays momentarily and the instrument reboots.

5.4 Calibration Multi Channel (Known Weight)

Use this procedure to calibrate a scale in the

1. Restart indicator. Momentarily press during startup to display quick setup menu.

2. Navigate to nChAn. Press

3. Select number of channels. Press to confirm. Chan displays.

4. Select channel to be calibrated. Press to confirm.

5. Navigate to ZEro. Ensure all weight is off the scale then press .

6. Wait until WEiGhtdisplays. Press to set parameter.

7. Enter the weight value of first sample weight. Press .

8. Place calibration weight on the scale. Press to confirm.

9. Wait until AdC.MUv displays, then remove the weight from the scale.

10. Navigate to Chan. Repeat Steps 4-9 for each channel to be calibrated.

ind.Ch, dEP.Ch

to set parameter.

transM

functioning mode and with a known calibration weight.

11. Press . SAVE? displays.

12. Press to confirm. Store displays momentarily and the instrument reboots.

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Page 39

5.5 Calibration With Linearization Points

Note

5.5.1 Dependent Channels

Use this procedure to calibrate a scale in the dEP.Ch mode with linearization points.

1. Restart indicator. Momentarily press during startup to display setup mode.

2. Navigate to s e t u p

3. Navigate to set the number of calibration points. Press to confirm. tP 0 displays.

4. Ensure all weight is off the scale and then press .

5. Wait until ddt1 is displayed. Press to set parameter

6. Enter the calibration weight of the first point. Press to confirm. tP 1 (tP2, tP3) displays.

7. Place the calibration weight on the scale and then press . n tP displays when all points are complete.

The unit advances to (dd2, dd3) if using multiple points. Repeat steps 4 to 7 for each point.

8. Remove the weight from the scale.

Co nF iG Calib CALib.Pn tP. Press to set parameter.

Calibration

Press until the instrument displays

10. Press to confirm. Store displays momentarily and the instrument reboots.

SAVE?

5.5.2 Independent Channels

Use this procedure to calibrate a scale in the ind.Ch or transMfunctioning mode with linearization points.

1. Restart indicator. Momentarily press during startup to display setup mode.

2. Navigate to s e t u p

3. Select channel to calibrate (Ch1 - Ch4). Press to confirm. FiLt.SO displays.

4. Navigate to Calib

5. Enter the number of calibration points. Press to confirm. tP 0 displays.

6. Ensure all weight is off the scale then press .

7. Wait until ddt1 is displayed. Press to set parameter.

8. Enter the calibration weight of the first point. Press to confirm. tP 1 (tP2, tP3) displays.

9. Place the calibration weight on the scale and then press . n tP displays when all points are complete.

The unit advances to (ddt2, ddt3) if using multiple points. Repeat steps 7 to 9 for each point.

10. Remove the weight from the scale.

11. Repeat Steps 2 through 10 to calibrate each channel.

Press until the instrument displays

12.

13. Press to confirm. Store displays momentarily and the instrument reboots.

Co nF iG Chan. Press to set parameter.

CALib.Pn tP. Press to set parameter. n 1 displays.

SAVE?

5.6 Theoretical Calibration

A theoretical calibration can be used if a weight of known value is not available, or a manual calibration cannot be performed.

5.6.1 Independent Channels

Use this procedure to perform a theoretical calibration on a scale in the ind.Ch functioning mode

1. Restart indicator. Momentarily press during startup to display setup mode.

2. Navigate to s e t u p

3. Select channel to calibrate (Ch1 - Ch4). Press to confirm. FiLt.SO displays.

4. Navigate to CALib. Press . to enter menu. DECi displays. Press to set parameter.

5. Navigate to set the decimal place. Press to confirm. u.M. displays. Press to set parameter.

Co nF iG Chan. Press to enter the menu.

Page 40

SCT-1100 Weight Transmitter

Note

6. Navigate to set the weight unit. Press to confirm. diV displays. Press to set parameter.

7. Navigate to set the display divisions. Press

to confirm. rAnGE1 displays. Press .

8. Enter the total capacity of the scale or the first range in case of multi-range functioning. Press to confirm. rAnGE 2 displays. Press to set parameter.

9. Enter the second range or enter all zeros, if only one range. Press to confirm. CALib.P displays.

10. Navigate to thEo.CA displays. Press to confirm. CEL.SEn displays. Press to set parameter.

11. Enter cell sensitivity. Press to confirm

. CEL.CAP displays. Press to set parameter.

12. Enter cell capacity. Press to confirm. dEAd.Ld displays. Press to set parameter.

13. Enter the dead load. If unknown, enter all zeros. Press to confirm. Kno.WGT displays.

Cell Sensitivity - if several load cells are connected through a junction box enter the average sensitivity value of the cells.

Cell Capacity - if several load cells are connected through a junction box, enter the sum of the load cells.

By setting the value to zero, the dead load is acquired.

14. Repeat steps 3-13 for each connected scale.

15. Press

until the instrument displays SAVE?. Press to confirm. Store displays momentarily and the instrument

reboots.

5.6.2 Dependent Channels

Use this procedure to perform a theoretical calibration on a scale in the dEP.Ch functioning mode

1. Restart indicator. Momentarily press during startup to display setup mode. Type displays. Press to set parameter.

2. Navigate to select dEP.Ch. Press to confirm. F.Mode displays.

3. Navigate to s e t u p

4. Navigate to set the number of channels (Ch1 - Ch4). Press to confirm. FiLt.SO displays.

5. Navigate to CALib. Press . DECi displays. Press to set parameter.

6. Navigate to set the decimal place. Press to confirm. u.M. displays. Press to set parameter.

7. Navigate to set the weight unit. Press to confirm. diV displays. Press to set parameter.

8. Navigate to set divisions. Press

9. Enter the total capacity of the scale or the first range in case of multi-range functioning. Press to confirm. r AnGE2 displays. Press to set parameter.

10. Enter the second range or enter all zeros, if only one range. Press to confirm. CALib.P displays.

11. Navigate to thEo.CA. Press to enter menu. CEL.SEn displays. Press to set parameter.

12. Enter cell sensitivity.Press to confirm. CEL.CAP

13. Enter cell capacity. Press to confirm. dEAd.Ld displays. Press to set parameter.

14. Enter the dead load. If unknown, enter all zeros.

Cell Sensitivity - if several load cells are connected through a junction box enter the average sensitivity value of the cells.

Cell Capacity - if several load cells are connected through a junction box, enter the sum of the load cells.

By setting the value to zero, the dead load is acquired.

15. Press to confirm. Kno.WGT displays.

16. Repeat Steps 3-15 for each connected scale.

Co nF iG nChan. Press to set parameter.

to confirm. rAnGE1 displays. Press to set parameter.

displays.

Press to set parameter.

17. Press

until the instrument displays SAVE?.

18. Press to confirm. Store displays momentarily and the instrument reboots.

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Page 41

Calibration

Note

IMPORTANT

5.7 Gravity Setting

Use this procedure to correct the weight error caused by a different gravitational value between the calibration zone and the zone of use.

1. Calibrate the indicator. Restart.

2. Navigate to s e t u p

3. Enter the local gravity

Co nF iG Grav. Press to set parameter.

. Press . Default is 9.80390.

4. Slowly press

• Press

multiple times to exit the menus until SAVE? displays.

to confirm and return to the weigh mode

• Press any other key to cancel and exit without saving

The weight error caused by a different gravitational value between the calibration zone and the zone of use is automatically corrected.

Press and hold when turning on the instrument. The g value relative to the gravitation zone of the user displays for a few seconds, after the name and the installed software version.

To find the local gravity, enter the latitude and elevation into the International Gravity Formula.

Listed are links to websites that can be used to determine local latitude and altitude. Please note these website address are provided for reference only and may change.

Map Coordinates uses Google maps to find latitude and elevation: www.mapcoordinates.net/

Once local latitude and altitude have been determined, use the following link to calculate local gravity

http://www.sensorsone.com/local-gravity-calculator/

The gravity correction function has not been evaluated by an approvals agency, therefore it is up to the authorized scale dealer to ensure the device is accurate at the intended point of use.

5.8 Zero Dead Load A/D Counts

Table 5-2 lists the ideal A/D counts that result from input signals of 0Ð45 mV with zero deadload. Actual values will typically be

higher than the values shown in Table 5-2 but the ideal values can be used when calibrating the indicator with no attached scale.

Input Signal

(mV)

0 1830

2.5 543564

5.0 1085373

7.5 1627166 10 2168897

12.5 2710715 15 3252467

Table 5-2. Ideal A/D Raw Counts

Raw A/D

Count

Page 42

SCT-1100 Weight Transmitter

6.0 Communications

6.1 Serial Outputs

The instrument has two bidirectional serial outputs which are ASCII code compatible with most printers, remote displays, PCs and other devices. See Section 2.5 on page 7 for connection information.

Transmission of data through the serial ports can be configured in the parameters PC SEL, PCModE and Pr.ModE in the setup mode. See Section 6.2 on page 39

6.1.1 COM1 Serial Port

The COM1 serial port is bi-directional (half duplex) and uses RS-485 for transmitting data. It is mainly used to connect PCs, PLCs and additional remote displays. The transmission speed may be selected in the setup as: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 baud (bit/sec).

On the same RS-485 line, it is possible to connect up to 32 devices (instruments, RS-485/RS-232 signal converter). Considerations when making RS-485 connections:

• Use a Shielded Twisted Pair cable to make the connection (twisted and shielded pair(s) with single shielding for each pair through aluminum band and total shielding through external shielding)

• Using 2x24 AWG duplex cable with external shielding, the RS-485 cable should not exceed 4000' (1200 m); See

Section 2.3 on page 5

• With very long cables, cable capacity becomes a dominant factor in power consumption (normally near 50pF/m); cable capacity decreases as length increases; capacity also decreases when speed is increased; the maximum distance cannot be covered with the maximum possible speed

Baud Rate (bit/sec) Total Cable Capacity (pF)

1200 400000 2400 200000 4800 100000

9600 50000 19200 25000 38400 12000 57600 8000

115200 4000

Table 6-1. Cable Capacity

• Verify single point grounding on all equipment; See Section 2.4 on page 6

• Use correct single point grounding to avoid forming ground loops

• On the RS-485 network, two termination resistances equal to the impedance of the cable (typically 120 Ω) are normally connected on the two devices at the ends of the cable. The terminal resistance is not supplied with the ports of the instrument

• Consult the device product data sheet for all connected devices to ensure consistency in the markings

6.1.2 COM2 Serial Port

The COM2 serial port is bi-directional (full duplex) and uses an RS-232 for transmitting data. It is mainly used to connect printers, PCs, and PLCs. The transmission speed may be selected in the setup as: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 baud.

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Page 43

6.2 Serial Port Transmission Modes

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e-7-2

e-7-1 n-7-2 n-8-2

Communications

6.2.1 PC Port Selection

It's possible to select the serial port to be used as a PC port. When a port is selected for PC port transmission, the other serial port is selected as default for PRN port transmission.

This setting is made in theSEtuP Select the RS-485 serial port as the PC PORT and the RS-232 serial port sets as the PRN PORT. Select the RS-232 serial port as the PC PORT and the RS-485 port sets as the PRN PORT.

Parameter Settings Description

PC SeL Select the communication carrier for the ports

SEriALPCSEL step.

485 Communication between the instrument and the PC takes place through the RS-485 port and

232 Communication between the instrument and the PC takes place through the RS-232 port and transmission of data

transmission of data to the printer through the RS-232 port

to the printer through the RS-485 port

Figure 6-1. Serial Menu

Table 6-2. PC Port Selection

Page 44

SCT-1100 Weight Transmitter

6.2.2 PRN PORT

This section describes the selectable serial weight transmission modes of the PRN serial port through the parameter set in PR Mode

Parameter Settings Description

Com.Prn Serial Format for the printer port Pr. Mode Transmission to serial printer

Pr- no Transmission disabled

PrPC.HK

rEPE.6 The weight is displayed on the instrument and is transmitted to a 6 digit remote display

PrPC.EX PrPC.St

ALL.EXt ALL.Std

tPr Enables printing with ASCII compatible printer

NOTE: In the For the protocol and transmission mode specifications, see Section 6.2 on page 39.

BAUD.PR Set baud rate - selection of the data transmission speed (baud = bit/second); (9600 default) bit.pr Set parity, word, stop bit

Pwr.Prn Manufacturer Use Only Prn.Cts Manufacturer Use Only Pr.Conf Lang Select Language of Printouts



protocol, the serial output is automatically set at 4800, N-8-1 but can be configured differently.

Transmission of the weight string by pressing

PrPC.EX allows for transmission of the extended string by pressing enter See Section 6.4.2 on page 47; (or multi- scale string in the TRANSM mode)

PrPC.St allows for transmission of the standard string by pressing enter See Section 6.4.1 on page 47

Transmission when is pressed – the instrument transmits the weight data through the serial port when is pressed; Transmission takes place if the weight is stable and the net weight is > 20 divisions; re-enabling the transmission depends on how rEACt is set in the setup mode (passing by zero of the net weight, weight instability or always) Data is transmitted with the standard string Prin.St or the extended string; See Section 6.4 on page 47 for a description of the strings; The transmission is confirmed whentrAnSM displays

Continuous Transmission for interfacing to the PC, remote displays and other devices which request a constant stream of the data independently from the weight stability; the instrument transmits data with each A/D cycle:

• Baud rate at 9600 up to 10 transmissions per second are possible

• Baud rate at 115200 up to 16 transmissions per second are possible for the PC port and up to 12 for the printer port

The data transmits both positive and negative values

• ALL.Std - The data is transmitted using the standard string

• ALL.EXt - The data is transmitted using the extended string; (or multi-scale string in the TRANSM mode)

- See Section 6.4 on page 47 for a description of the strings

NOTE: Filter selection directly affects data transmission; To obtain 250TX/sec configure the filter F.F.400 (SEtuP



ConFiGPArAM.StAbiL)

Data is transmitted to the printer by pressing on the instrument; the print command is inhibited if the weight is in motion and in all other circumstances in which the data is not valid

NOTE: Language selection only available if tpr is selected

enter

Table 6-3. Serial Menu Parameters and Settings

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Page 45

6.2.3 PC PORT

This section described the selectable serial weigh transmission modes of the PC serial port.

Parameter Settings Description

CoM. PC PC Serial PCMode Transmission on the PC Serial

Modbus Transmission with the MODBUS protocol

• mod.typ displays; press ; select ascii or rtu; press

• Mod.add displays; press ; enter the address of the unit (0 to 98); press

• Enter baud rate; press

• Enter bit parameters; press

ALL.max

ALL.STD ALL.EHT

STAB.ST STAB.EH

onde Transmission requested on demand, from an external device – the instrument waits for a command before

repe.6 Transmission to 6 digit remote display / Reception of the “rEPE.6” string

prin.st prin.eh

485 Transmission in RS-485 serial mode; Protocol mimics the command that was sent; the instrument responds only

BAUD Set baud rate - selection of the data transmission speed (baud = bit/second) bit Set parity, word, stop bit.

• Baud rate at 9600 up to 10 transmissions per second are possible

• Baud rate at 115200 up to 16 transmissions per second are possible for the PC port and up to 12 for the printer port

The data transmits both positive and negative values

• ALL.Std - The data is transmitted using the standard string

• ALL.EXt - The data is transmitted using the extended string (or multi-scale string in the TRANSM mode)

- See Section 6.4 on page 47 for a description of the strings

• ALL MAX? - The weight is transmitted in hexadecimal format (for example: 03E8= 1000g), without decimal point

- This transmission protocol is recommended for applications where a high nubmer of output

transmissions is required. (up to 250TX/sec. with baud rate equal to 115200)

NOTE: Filter selection directly affects data transmission; To obtain 250TX/sec configure the filter F.F.400 (SEtuP



ConFiGPArAM.StAbiL)

Transmission on stability – each time a weight on the scale becomes stable, a communication string is transmitted on the PC port;

• The transmission takes place when the weight is stable and the net weight is greater than 10 display divisions

• Re-enabling the transmission depends on how rEACt has been set in the setup mode; See Table 4-3 on

page 21

• The data is transmitted with the standard string StAb.St or the extended string StAb.EX; (or multi-scale string in the TRANSM mode) See Section 6.4 on page 47 for a description of the three strings

transmitting data; See Section 6.3 on page 42 With baud rate at 9600, up to 10-11 requests per second are possible through the READ command; with baud rate at 115200, up to 16 requests per second are possible through the READ command; The data transmits both positive and negative values

The weight display occurs both in the instrument and is transmitted to a 6 digit remote display

The instrument communicates the weight data through the serial port when is pressed

• Transmission takes place if the weight is stable and the net weight is > 20 divisions; re-enabling transmission depends on how the rEACt is set in the setup mode (passing by zero of the NET weight, weight instability or always)

• Prin.St - The data is transmitted using the standard string

• Prin.EX - The data is transmitted using the extended string

- See Section 6.4 on page 47 for a description of the strings

• The transmission is confirmed when trAnSM displays

if its ID is the one requested (before the request the module ID must be input, i.e. 00READ<CRLF>); If a broadcast address command (99) is received no answer is given; If the command is correct it is executed

Table 6-4. PC Port Parameters and Settings

Communications

Page 46

SCT-1100 Weight Transmitter

Note

6.3 Serial Commands Format

Legend

[CC] o <II> Instrument ID, e.g. 00 (The ID is only used with RS-485 protocol)

<CR LF> Carriage Return plus Line Feed (ASCII character 13 and 10)

<ESC> ASCII character 27 <STX> ASCII character 02

B Space character, ASCII character 32

Table 6-5. Serial Command Legend

Serial Errors

The instrument transmits a response string or it transmits one of the following indications with each serial command received:

Status Response Description

OK<CR LF> Displays when a correct command is transmitted from the PC to the instrument; the OK does not imply that the instrument

executes the zero

ERR01<CR LF> Displays when a correct command is transmitted from the PC to the instrument, but the command is followed by unexpected

letters; for example READF, TARES instead of READ, TARE ERR02<CR LF> Displayed when a correct command is transmitted from the PC to the instrument, but contains wrong data ERR03<CR LF> Displayed when an incorrect command is received; when the command may not be used in the selected functioning mode; or

when the command is received while the keyboard buffer is already full ERR04<CR LF> Displayed when a nonexistent command is received

Table 6-6. Serial Status Response

NOTE: The instrument does not transmit an indication with momentary commands; for example, those made up of only one letter and then the parameter.

Version Reading Command

[CC]VER<CR LF> Instrument response: [CC]VER,vvv,DGT1Sbbb<CR LF> In which:

• vvv is the firmware version

• b is the space character, ASCII 32

Extended Weight Read Command

[CC]REXT<CR LF>

Instrument response in the V mode or in thedEP.Ch Instrument response in the

If the instrument is in the ind.Chmode (scale with independent channels) or in the dEP.Ch dependent channels and digitally equalized) the weight value is read relative to the active channel; to read the values of the other channels (if configured) switch to the desired channel. See Converter Channel Switching Command on

page 43.

If the instrument is in the values for all the configured channels

trAnSM mode: multi-scale string. See Section 6.4.3 on page 48.

trAnSM mode (scale with independent channels) it is possible to simultaneously read the

mode: extended string. See Section 6.4.2 on page 47.

Weight Read Command

[CC]READ<CR LF>

Instrument response: standard string (Section 6.4.1 on page 47).



mode (scale with

Weight Reading Command With Sensitivity Times 10

[CC]GR10<CR LF>

Instrument response: standard string (Section 6.4.1 on page 47).

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Page 47

Reading Command of MicroVolts Relative to the Weight

Note

[CC]MVOL<CR LF>

Instrument response in Response of the instrument in

ind.Ch mode: standard string (Section 6.4.1 on page 47).

trAnSM and dEP.Ch mode: multi-scale string (Section 6.4.3 on page 48).

Communications



mode (scale with

If the instrument is in the values for all the configured channels.

trAnSM mode (scale with independent channels) it is possible to read simultaneously the

Tare Command

[CC]TARE<CR LF> or [CC]T<CR LF>

Instrument response: [CC]OK<CR LF>

Zero Command

[CC]ZERO<CR LF> or [CC]Z<CR LF>

Instrument response: [CC]OK<CR LF>

Clear Command

[CC]CLEAR<CR LF> or [CC]C<CR LF>

Instrument response: [CC]OK<CR LF>

The command also works in the setup mode.

Converter Channel Switching Command

[CC]CGCHN<CR LF>

Instrument answer: [CC]OK<CR LF> if the CGCH command has been received.

In which: N is the number of the channel on which to position the instrument

Test Command

[CC]ECHO<CR LF>

Instrument response: [CC]ECHO<CR LF>

Print Command

[CC]PRNT<CR LF> or [CC]P <CR LF>

Instrument response: [CC]OK<CR LF> if the command has been received, no answer for the P command.

Tare Insertion Command

[CC]TMANVVVVVV<CR LF> or [CC]WVVVVVV <CR LF> In which: VVVVVV is the manual tare value with the decimal point, from 1 to 6 characters; the non significant zeros can be

omitted.

Instrument response: [CC]OK<CR LF> if the command has been received; no answer for the W command.

Page 48

SCT-1100 Weight Transmitter

Note

Command for Displaying Temporary Message on an Instrument

[CC]DISPNNVVVVVV <CR LF> In which:

• NN is the instrument display number, standard 00 (ASCII hex)

• V is the message:

• if present, it is shown on the NN display

• if not present, the command interrupts the possible visualization enabled with a previous DISP command, restoring the visualization of the weight data

If the display shown in the command is numeric (for example the standard display 00) and in the transmitted message there are two consecutive points, the message is stopped after the first of the two points. When the display is showing a message transmitted serially through the DISP command, the instrument does not display those messages usually shown in the scale status (ZERO, TARE, HOLD, etc.).

Instrument response: [CC]OK<CR LF>

The message remains for the time set through the DINT command

The ASCII characters having the decimal code greater than 31 are accepted.

Command for Setting Display Message Interval

[CC]DINTNNNN<CR LF> In which: NNNN is the visualization interval (in milliseconds), expressed in ASCII hex character; for example, in order to set a

visualization time of 2 seconds (2000 milliseconds, which converted into hex it becomes 07D0), the command becomes [CC]DINT07D0<CR><LF>.

By setting a time equal to zero, the message transmitted with the DISP command remains permanently shown on the display.

Instrument response: [CC]OK<CR LF>

PC Confirmation Command

[CC]PCOK<CR LF>

The instrument shows on the display the

 message for about two seconds.

Instrument response: [CC]OK<CR LF>

Serial Command which Returns the Instrument Status

[CC]STAT<CR LF>

Instrument response: [CC]STATXX<CR LF>

In which: XX is a decimal value which returns the status of the instrument; the possible values are:

XX Instrument Status

00 Normal scale status 01 Normal scale status in input 02 Instrument in technical setup 03 Instrument in boot phase 04 Instrument in rx/tx setup phase 05 Instrument in test phase of the serial ports 06 Instrument in print test 07 Instrument in firmware update phase 08 Instrument in standby 09 Instrument in automatic zero phase 10 Instrument in change channel 11 Instrument in inputs test phase

Table 6-7. Instrument Status Commands

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Page 49

Communications

Note

Key Press Simulation Command

[CC]KEYPXX<CR LF> In which:

XX Code of Pressed Key

05 Numeric 1 key 06 Numeric 2 key 07 Numeric 3 key 08 Numeric 4 key

09 Numeric 5 key 0A Numeric 6 key 0B Numeric 7 key 0C Numeric 8 key 0D Numeric 9 key 0E Numeric 0 key

Table 6-8. Key Press Simulation Commands

Instrument response: [CC]OK<CR LF>: accepted command. In the event the simulated key has two linked functions, key momentarily pressed or pressed at length, if the KEYP command is

followed by the release command (KEYR) within a maximum time of 1.5 seconds, the momentary key press is executed; otherwise the key pressed at length is executed.

- ZERO key

- TARE key

- MODE key

- PRINT key

- C key

Release Key Press Simulation Command

[CC]KEYR<CR LF>

Instrument response: [CC]OK<CR LF>

The instrument does not respond OK to the following momentary commands (P, Q, T, W, X, Z).

Scale Information Reading

[CC]RALL<CR LF>

Instrument response: [CC]SS,B,NNNNNNNUM,LLLLLLLUM,YYTTTTTTTTUM,XXXXXXXUM,SSS,AAA,CCC,TTT,XXXXX-YYYYYY<CR LF>.

In which:

Characters Description

SS UL Underload

OL Overload ST Stability of the display US Instability of the display

TL Active inclination input B Number of platform on which the totalization has been made NNNNNNNUM Net weight with unit of measure LLLLLLLUM Gross weight with unit of measure YY Tare Type; Blank spaces if semi-automatic tare; PT If preset tare

TTTTTTTTUM

XXXXXXXUM Not used

Tare value with unit of measure

Table 6-9. RALL Command Response Characters

Page 50

SCT-1100 Weight Transmitter

Note

Characters Description

SSS Scale status

• 000 Weighing

• 001 Numeric value input

• 002 Setup menu AAA Counter of pressed keys CCC Code of last key pressed TTT Not used XXXXX Last rewriting number stored in the alibi memory YYYYYY Last weigh number stored in the alibi memory

Table 6-9. RALL Command Response Characters (Continued)

Setpoint Command

[CC]STPTntxxxxxxtyyyyyy<CR LF> In which: n indicates the setpoint number (1, 2)

F if the following weight value indicates that the setpoint will disable the outputs (OFF).

O if the following weight value indicates that the setpoint will enable the outputs (ON).

xxxxxx and yyyyyy represent the weight value of the setpoint that disables or enables the outputs: the digits must be entered without the decimal point, omitting the non-significant zeros.

Instrument responses: [CC]OK<CR LF> correct syntax and correct values have been recieved

[CC]NO<CR LF> correct syntax but wrong values have been recieved

Example of instrument with capacity 10.000 kg and division 1 g: Command: STPT1F5000O6500 (Disabling first output at 5 kg and enabling at 6.5 kg)

Instrument response: OK

The ERR 02 code displays when:

One of the two entered values is greater than the capacity.

One of the two entered values has a minimum division that is inconsistent in comparison to the one set in the instrument.

The disabling value is greater than that of enabling.

The transmitted values are valid until the instrument is turned off. To permanently save these on the instrument use the saving command (CMDSAVE). To save various setpoints set all of them and at the end transmit the saving command.

Setpoint Saving Command

[CC]CMDSAVE<CR LF> Response: [CC]OK<CR LF>

Enable/Disable Keyboard

To enable the keyboard: [CC]KEYEE<CR LF>

Instrument response: [CC]OK<CR LF>

To disable the keyboard: [CC]KEYED<CR LF>

Instrument response: [CC]OK<CR LF>

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Page 51

Communications

Note

6.4 Transmission Protocols

The weight data transmission on the PC and PRN serial ports may take place in 3 formats: standard string, extended string or multi-scale string.

6.4.1 Standard String

String transmitted in the dependent or independent channel mode: [CC]hh,kk,pppppppp,uu <CR LF> String transmitted in the TRANSM mode: [CC]hh,pppppppp,uu <CR LF> In which:

Characters Description

[CC] The instrument ID as two ASCII decimal digits (RS-485 protocol) hh UL Underload

OL Overload ST Stability of the display

US Instability of the display , Comma character kk NT Net weight

GS Gross weight

GX Gross weight with sensitivity times 10

VL Value in microvolts relative to the weight

RZ Value in converter points relative to the weight , Comma character pppppppp 8 digits (including sign and decimal point) which identify the weight; the insignificant digits are filled with spaces; through the MVOL

and RAZF command the instrument transmits the relative value on 10 digits instead of 8 uu Unit of measurement kg, bg, bt, lb, mv (microvolts), vv (A/D counts); (b signifies blank) <CR LF> Carriage Return + Line Feed (ASCII decimal character 13 and 10)

Table 6-10. Standard String Characters

The transmitted weight is gross weight (GS) if no tare weight has been entered; otherwise, net weight (NT) is transmitted.

6.4.2 Extended String

Without APW (any mode other than in response to the REXT command): [CC]B,hh,NNNNNNNNNN,YYTTTTTTTTTT,PPPPPPPPPP,uu,(dd/mm/yybbhh:mm:ss|NO DATE TIME)<CR LF> With APW (in response to the REXT command): [CC]B,hh,NNNNNNNNNN,YYTTTTTTTTTT,PPPPPPPPPP,AAAA.AAAAA,uu<CR LF> In which:

Characters Description

[CC] The instrument ID as two ASCII decimal digits (RS-485 protocol) B Scale number is always 1 , Comma character hh UL Under load

OL Overload ST Stability of display

US Instability of display , Comma character NNNNNNNNNN Net weight on 10 characters including possible sign and decimal point , Comma character YY PT if the tare is manual, if YY = two empty spaces display with semiautomatic tare , Comma character

Table 6-11. Extended String Characters

Page 52

SCT-1100 Weight Transmitter

Note

Characters Description

TTTTTTTTTT Tare weight on 10 characters including possible sign and decimal point , Comma character PPPPPPPPPP Always 0 , Comma character uu Unit of measure Kg, bg, bt, lb; (b signifies blank) , Comma character dd/mm/yy Date in the dd/mm/yy format (only with REXD command) bb Two space characters, ASCII decimal 32 character (only with REXD command) hh:mm:ss Time format (only with REXD command) <CR LF> Carriage Return + Line Feed (ASCII decimal character 13 and 10)

Table 6-11. Extended String Characters (Continued)

The non significant digits of the net, tare, pieces and gross weights are filled with spaces (space characters, ASCII decimal 32 character).

If the optional TIME DATE board has not been detected, in response to the REXD command, only the weight is transmitted and not the date and time; in its place there is NO DATE TIME.

6.4.3 Multi-Scale String

The string can vary depending on the configured channels:

• [CC]hh,pppppppp,uu, (dd/mm/yybbhh:mm:ss|NO DATE TIME)<CR LF>

• [CC]hh,pppppppp,uu,hh,pppppppp,uu, (dd/mm/yybbhh:mm:ss|NO DATE TIME)<CR LF>

• [CC]hh,pppppppp,uu,hh,pppppppp,uu,hh,pppppppp,uu, (dd/mm/yybbhh:mm:ss|NO DATE TIME)<CR LF>

• [CC]hh,pppppppp,uu,hh,pppppppp,uu,hh,pppppppp,uu,hh,pppppppp,uu, (dd/mm/yybbhh:mm:ss|NO DATE TIME)<CR LF>

In which:

Characters Description

[CC] is the instrument code as two ASCII decimal digits (RS-485 protocol) For each set channel: hh • ST Stability of the display

, Comma character pppppppp 8 digits (including eventual sign and decimal point) which identify the weight. The insignificant digits are filled with spaces. Through the

, Comma character uu Unit of measure (b signifies blank)

, Comma character dd/mm/yy Date in the dd/mm/yy format (only with REXD command) bb 2 space characters, ASCII decimal 32 character (only with REXD command) hh:mm:ss Time format (only with REXD command)

• US Instability of the display

• VL Value in microvolts relative to the weight

• RZ Value in converter points relative to the weight

MVOL and RAZF commands the instrument transmits the relative value on 10 digits instead of 8.

• kg

• bg

• bt

• lb ,

• mv (microvolts)

• vv (converter points)

Table 6-12. Multi-Scale String Characters

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Page 53

Communications

Note

6.4.4 Secondary Mode Strings

Secondary Standard String

Standard string transmitted on the print port when PR.MODE= ALL.STD or PRPC.ST; SS,NT,WWWWWWWW,UU<CR LF>

In which:

Characters Description

SS Status:

• NV Weight not valid , Comma character NT ST Stable data

US Unstable data UL Underload

OL Overload , Comma character WWWWWWWW Weight , Comma character UU Unit of measure

Table 6-13. Secondary Standard String Characters

Secondary Extended String

Extended string transmitted on the print port when PR.MODE= ALL.EXT or PCPR.EX

C, SS,NT,WWWWWWWW,UU<CR LF> In which:

Characters Description

C Secondary or sum:

• S, if the sum is sent , Comma character SS UL Underload (not transmitted in the TRANSM mode)

OL Overload (not transmitted in the TRANSM mode) ST Stability of the display

US Instability of the display , Comma character WWWWWWWW weight , Comma character

Table 6-14. Secondary Extended String Characters

When the PR.MODE

=

PcPR.HK is set, only the weight is transmitted on the printer port.

6.5 Connection to a Remote Display

Use the following steps to connect the SCT-1100 to a remote display.

1. Restart indicator. Momentarily press during startup to display setup mode. tyPE displays.

2. Navigate to s e t u p

3. Press until the instrument displays instrument reboots.

Co nF iG SerialCoM.PCPCModeALL.STD. Press to confirm selection.

SAVE?

. Press to confirm.

Store

displays momentarily and the

Page 54

SCT-1100 Weight Transmitter

7.0 Troubleshooting

Use the following table to troubleshoot error messages on the instrument.

Message Description

AL . Er r Displays when not connected at start-up, if there are communication problems between the instrument and the board or when the alibi

memory operation is selected; The unit of measure conversion is automatically set, but not saved in the setup mode

bU Sy Printing - PRN serial port is occupied or the instrument is waiting to transmit a print job to a PC

Un S t A b Trying to print with an unstable weight

Un . Ov Er Trying to print with the weight in underload or in overload; with a weight of 9 divisions greater than the capacity or 100 divisions below the

gross zero The weight is 9 divisions above the maximum capacity

The weight is under the gross zero (- capacity – 9 divisions)

Gr os .E r Trying to print with a negative gross weight (equal or less than 0) NE t.Err Trying to print with a negative net weight (equal or less than 0)

Lo W Net weight less than the minimum necessary for the printing or the totalization

no .0 .U n S Weight did not exceed net 0 or was not stable

Co nv. Trying to print while the instrument is converting the unit of measure

no i n Second attempt to acquire the input weight (input/output mode, set as in .o ut )

no o u t Second attempt to acquire the output weight (input/output mode, set as in .o u t)

no 1 Second attempt to acquire the input weight (input/output mode, set as G. t .1 st.2n d) no 2 Second attempt to acquire the output weight (input/output mode, set as G. t .1 st .2 n d)

Pr EC Displays when trying to calibrate a point without first having confirmed the number of calibration points Er Mo t Weight is unstable during the acquisition of a point during calibration ER Pn t During the acquisition of a calibration point a null value has been read by the converter er-1 1 Calibration error – the sample weight used was too small. Use a weight equal to at least half of the scale capacity Er-1 2

Er -3 7 Scale must be calibrated. Perform a technical default (dE F A u ) parameter, before proceeding; See Table 4-4 on page 22.

Er-3 9 Scale must be calibrated. Perform a technical default (dEF Au ) parameter, before proceeding; See Table 4-4 on page 22.

C_ er_- 3 6 During calibration some internal negative points have been calculated:

C_ er_- 3 7 During the calibration some internal points less than the minimum value have been calculated:

HW -E r r HARDWARE ERROR: software not compatible with the installed hardware; the hardware expansion component which allows the soft-

Calibration error – the acquired calibration point

NOTE: Press to access the setup.

• The calibration point is less than the zero point

• the signal is negative (check the connections)

• The calibration point is equal to the zero point

• a capacity too high in relation to the division has been set

ware to function is missing

(tP 1 o t P 2 o tP3 ) is equal to the zero point ()

Table 7-1. Error Messages

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Page 55

8.0 Compliance

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Compliance

SCT indicator series

2014/30/EU EMC

2014/35/EU LVD

2011/65/EU RoHS

EN 61000-6-2:2015, EN 61000-6-4:2007+A1:2011, EN61326-1:2013, EN55011:2009 +A1:2010

EN 61010-1:2010

EN 50581:2012

May 3, 2019

Page 56

SCT-1100 Weight Transmitter

9.0 Specifications

Power DC

Power Supply 12-24 VDC Power Consumption 70 mA min to 100 mA max Excitation Voltage 5 VDC, 120mA, 8 x 350Ω Analog Signal Input ±39 mV Range Analog Signal 0..03 µV/gradation minimum Sensitivity 0.3 µV/gradation recommended

Operator Interface

Display LED 6 digits 0.51" (13 mm high) Keypad 5-key, membrane panel, tactile feel LED 6 status indicator red LEDs

Enclosure

Case Plastic console suitable for mounting on DIN

rail or on the wall

NEMA Type 1 plastic pluggable connectors Dimensions (W x H x D) 4.17" x 3.54" x 2.28" (106mm x 90mm x 58mm) Weight 1lb (0.5kg)

Operation

Resolution: Internal 1.5 million counts Weight display 800,000 minimum

A/D Sample Rate 4 channel A/D 24-bit sigma-delta conversion;

up to 200 conv./sec auto select

Tare Function Entire capacity can be subtracted

Auto Switch Off Programmable form 1 to 255 minutes

Communication

Digital inputs/Outputs 2 inputs opto isolated 12-24 VDC 2 outputs 150 mA 48 VAC/150 mA 60 VDC

Serial ports 1 RS-485 bidirectional port configurable for

connection to a PC/PLC or weight repeater 1 RS-232 bidirectional port for connection to a

PC/PLC or printer

Analog Output Standard Opto isolated, 16 bit

0-20 mA; 4-20 mA (max 350,000 Ω) 0-5 VDC, 0-10 VDC (min 10,000 Ω)

Environmental

Operating Temperature 5°F to 104°F (-15°C to 40°C) Storage Temperature -22° to 179°F ((-30°C to 80°C) Humidity 85% (non-condensing)

Load Cell

Connection 6 wires (CELL1) with Remote Sense,

4 wires (CELLS 2, 3, 4)

Compliance

The SCT complies with Part 15 of the FCC Rules. Operation is subject to the following conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference that may cause undesired operation.

Radio certificate number:

When paired with optional module: WiFi: US: ZXVHLK-RM04

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Page 57

Page 58

230 W. Coleman St. • Rice Lake, WI 54868 • USA

U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe +31 (0)26 472 1319

Rice Lake Weighing Systems is an ISO 9001 registered company.

www.ricelake.com

PN 185658 Rev BJuly 24, 2019

Rice Lake Weighing Systems SCT-1100, SCT-2200 Operating Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1.0 Introduction

1.1 Safety

1.2 Options

1.3 Overview

1.3.1 Panel Display

2.0 Installation

2.1 Location Selection

2.2 Electrical Precautionary Measures

2.3 Maximum Cable Length

2.4 Grounding the System

2.4.1 Load Cells and Junction Box

2.5 Wiring Schematic

2.6 Connection to the Load Cell

2.6.1 Input/Output Wiring

3.0 Operation

3.1 Basic Operation

3.1.1 Turn on the Instrument

3.1.2 Standby

3.1.3 Power Off the Instrument

3.1.4 Zero

3.1.5 Tare

3.2 Multi-Range Function

3.3 Display Configuration Data

3.4 Selecting the Channel to be Displayed

3.5 Simultaneous Transmitter Mode

3.6 Selecting Printing Functions

3.7 Selecting the Operating Mode

3.7.1 Conversion

3.7.2 Alibi Memory

3.7.3 Sensitivity Times Ten

3.7.4 Peak Hold Weight Detection

4.0 Setup Mode

4.1 Setup Mode Navigation

4.2 Quick Setup Menu

4.2.1 Default Factory Calibration

4.2.2 Quick Scale Setup

4.2.3 Analog Output

4.2.4 Inputs

4.2.5 Output Functions

4.3 Setup Mode Menu

4.3.1 Type Parameters

4.3.2 F.Mode Parameters

4.3.3 Setup Parameters

4.3.4 Diagnostic Menu

4.4 Configuration Menu

4.4.1 Filter Parameters

4.5 Input/Output Functions

4.5.1 Input Functions

4.5.2 Output Functions

4.6 Analog Output

5.0 Calibration

5.1 Calibration Menu

5.1.1 Calibration Parameters

5.2 Procedure

5.3 Calibration Single Channel (Known Weight)

5.4 Calibration Multi Channel (Known Weight)

5.5 Calibration With Linearization Points

5.5.1 Dependent Channels

5.5.2 Independent Channels

5.6 Theoretical Calibration

5.6.1 Independent Channels

5.6.2 Dependent Channels

5.7 Gravity Setting

5.8 Zero Dead Load A/D Counts

6.0 Communications

6.1 Serial Outputs

6.1.1 COM1 Serial Port

6.1.2 COM2 Serial Port

6.2 Serial Port Transmission Modes

6.2.1 PC Port Selection

6.2.2 PRN PORT

6.2.3 PC PORT

6.3 Serial Commands Format

6.4 Transmission Protocols

6.4.1 Standard String

6.4.2 Extended String