Sensotec SC1000 User manual

Pressure

Transducers

Load & Torque

Cells

Accelerometers

Displacement

Transducers

Instrumentation

Additional Channels for

SC Instrumentation

Temperature (RTD) Input,

Frequency Input

Sensotec, Inc.

2080 Arlingate Lane

Columbus, Ohio 43228 USA

Telephone: (614)850-5000

FAX: (614)850-1111

Toll Free: 1-800-848-6564

E-mail: service@sensotec.com

WWW: http://www.sensotec.com

Additional Channels for SC Series Instrumentation

Sensotec Document Number: 008-0608-01

Rev. -: March, 2002

IMPORTANT It is recommended that you read the “SC Series Instruction Manual”, Sen-

sotec document 008-0608-00 before using the channels described herein.

CAUTION: The operator of this instrument is advised that if the equipment

is not used in a manner not specified in this manual, the protection pro-

vided by the equipment may be impaired.

CAUTION: Only qualified, service-trained personnel who are aware of the

hazards involved should remove the cover from the instrument or connect

external wiring to the instrument.

Sensotec and the Sensotec logo are registered trademarks of Sensotec,

Inc.

Printed in U.S.A.

Sensotec continually improves its products, and thus the information herein

is subject to change without notice.

Additional Channels for SC Series Instrumentation page 3

CONTENTS

Contents

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 About This Manual . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.3 Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Related Documents . . . . . . . . . . . . . . . . . . . . . . 6

Chapter 2

RTD Input Channel . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 Getting Started Quickly . . . . . . . . . . . . . . . . . . . . 9

2.3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3.1 Channel Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3.2 4-Wire RTD Connection . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3.3 3-Wire RTD Connection . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3.4 2-Wire RTD Connection . . . . . . . . . . . . . . . . . . . . . . . . 11

2.4 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5 Channel Specifications . . . . . . . . . . . . . . . . . . . . 13

2.6 Channel Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.6.1

OPER

OPEROPER

OPERA

ATION

TIONTION

TION

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.6.2

DISP

DISPDISP

DISPL

LAY UNITS

AY UNITSAY UNITS

AY UNITS

Menu Item . . . . . . . . . . . . . . . . . . . . . 15

2.6.3

AUXn

AUXnAUXn

AUXn FUNCTION

FUNCTIONFUNCTION

FUNCTION

Menu Items . . . . . . . . . . . . . . . . . . . . 15

2.6.4

CALI

CALICALI

CALIB

BRATION T

RATION TRATION T

RATION TY

YPE

PEPE

Menu Item . . . . . . . . . . . . . . . . . . . 16

2.6.5

CALI

CALICALI

CALIB

BRATION D

RATION DRATION D

RATION DA

ATA

TATA

Sub-Menu . . . . . . . . . . . . . . . . . . . 17

2.6.6

CALI

CALICALI

CALIB

BRATE

RATERATE

RATE

Menu Item . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.6.7

DAC

DACDAC

DAC S

SETUP

ETUPETUP

ETUP

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.6.8

DIAG

DIAGDIAG

DIAGN

NOSTICS

OSTICSOSTICS

OSTICS

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . 20

2.7 Analog Output Configuration . . . . . . . . . . . . . . . . 21

2.7.1 Identifying the Output Type . . . . . . . . . . . . . . . . . . . . . 21

2.7.2 Channel Menu Items . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.7.3 Output Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.8.1 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.8.2 Common Problems and Solutions . . . . . . . . . . . . . . . . 22

2.9 Communication Commands . . . . . . . . . . . . . . . . 23

2.9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.9.2 Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Chapter 3

Frequency Input Channel . . . . . . . . . . . . . . . . . . . . . 33

3.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.2 Getting Started Quickly . . . . . . . . . . . . . . . . . . . . 33

3.3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.3.1 Channel Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

page 4 008-0608-01

3.3.2 NPN Open-Collector Connection . . . . . . . . . . . . . . . . . 34

3.3.3 PNP Open-Collector . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.3.4 TTL/CMOS Logic Connection . . . . . . . . . . . . . . . . . . . 35

3.3.5 Magnetic Pickup Connection . . . . . . . . . . . . . . . . . . . . 35

3.4 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.5 Channel Specifications . . . . . . . . . . . . . . . . . . . . 37

3.6 Channel Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.6.1

OPER

OPEROPER

OPERA

ATION

TIONTION

TION

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.6.2

AUXn

AUXnAUXn

AUXn FUNCTION

FUNCTIONFUNCTION

FUNCTION

Menu Items . . . . . . . . . . . . . . . . . . . . . 38

3.6.3

CALI

CALICALI

CALIB

BRATION T

RATION TRATION T

RATION TY

YPE

PEPE

Menu Item . . . . . . . . . . . . . . . . . . . 39

3.6.4

CALI

CALICALI

CALIB

BRATION D

RATION DRATION D

RATION DA

ATA

TATA

Sub-Menu . . . . . . . . . . . . . . . . . . . 40

3.6.5

CALI

CALICALI

CALIB

BRATE

RATERATE

RATE

Menu Item . . . . . . . . . . . . . . . . . . . . . . . . . 40

3.6.6

DAC

DACDAC

DAC S

SETUP

ETUPETUP

ETUP

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.6.7

DIAG

DIAGDIAG

DIAGN

NOSTICS

OSTICSOSTICS

OSTICS

Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . 42

3.7 Analog Output Configuration . . . . . . . . . . . . . . . 43

3.7.1 Identifying the Output Type . . . . . . . . . . . . . . . . . . . . . 43

3.7.2 Channel Menu Items . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.7.3 Output Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.8.1 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3.8.2 Common Problems and Solutions . . . . . . . . . . . . . . . . 44

3.9 Communication Commands . . . . . . . . . . . . . . . . 45

3.9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.9.2 Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Chapter 4

Setup Menu Reference . . . . . . . . . . . . . . . . . . . . . . . 55

4.1 Navigation instructions . . . . . . . . . . . . . . . . . . . . 55

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Warranty/Repair Policy . . . . . . . . . . . . . . . . . . . . . . 61

Additional Channels for SC Series Instrumentation page 5

INTRODUCTION1

Chapter 1

Introduction

1.1 About This Manual

1.1.1 Scope This manual will explain the setup, features and operation of additional Input and

Output channels that may be installed into Sensotec’s 3rd generation SC SEries

instruments. This series includes the models SC1000, SC2000, SC2001 and

SC3004.

1.1.2 Conventions This manual uses the following conventions to present information:

1.1.3 Organization Chapter 1, “Introduction”, offers general information about this instruction man-

ual.

Chapter 2, “RTD Input Channel”, explains how to wire, configure, operate and

calibrate the RTD Input channel.

Chapter 3, “Frequency Input Channel”, explains how to wire, configure, oper-

ate and calibrate the Frequency Input channel.

Chapter 4, “Setup Menu Reference”, is a list of all SETUP menus and a cross-

reference to related information in this instruction manual.

[TEXT IN BRACKETS] The label of a front panel button.

Text that appears on the display, such as error

messages or menu items.

-> Indicates that what follows is an item from a sub-

menu, such as

M MEN

MENMEN

DATA Serial communications commands sent to (or

replies from) the instrument

↵The carriage-return character, ASCII code decimal

Note

Notes contain important information set off from

the text.

A stop sign highlights procedures or information

necessary to avoid damage to equipment, dam-

age to software, loss of data, loss of calibration, or

invalid test results.

The caution symbol alerts that a specific proce-

dure or practice which, is not followed correctly,

could cause serious personal injury.

page 6 008-0608-01

1.2 Related Documents

SC Series Instruction

Manual

The “SC Series Instruction Manual”, Sensotec p/n 008-0608-00, describes the wiring,

setup and operation of the chassis and channels of SC Series Instruments. The chan-

nels described in this document are:

•Strain-Gage Input channel

•AC/AC-LVDT Input channel

•High-Level Input channel

•Relay Output channel

•DAC Output channel

•Split-Display Virtual channel

•Mathematics Virtual channel

A printed copy of this document is available for order, or you may download it for free

Sensotec’s web site, www.sensotec.com.

Customer Information

Sheet

Every instrument is shipped with a Customer Information Sheet which documents the

configuration of the instrument when it left the factory. Such information includes:

•Sensotec part number,

•date of manufacture,

•list of all installed channels and their setup information,

•customer specific SensoCode programming of Mathematics Virtual channels and

operation notes.

Communications

Guide

The “SC Series Communications Guide”, Sensotec p/n 008-0610-00, describes in

detail how to communicate with an SC Series instrument using RS-232 and RS-485.

Wiring diagrams, sample programs, and command descriptions are included.

A printed copy of this document is available for order, or you may download it for free

Sensotec’s web site, www.sensotec.com.

Additional Channels for SC Series Instrumentation page 7

INTRODUCTION1

page 8 008-0608-01

Additional Channels for SC Series Instrumentation page 9

RTD INPUT CHANNEL2

Chapter 2

RTD Input Channel

2.1 Features

The RTD Input channel provides a DC excitation current to and accepts millivolt

signals from a standard platinum, 100ΩResistance Temperature Detector (RTD).

These signals are digitized, converted into engineering units, and placed into the

track, peak and valley data values of the channel.

Setup and calibration of the channel is made at the factory for operation with a

customer-supplied Pt-100 RTD with a DIN-43760 standard calibration curve. Re-

calibration can be made manually through the SETUP mode with the known-load

calibration method and a customer-supplied RTD calibrator.

The engineering units used to display the temperature readings are field select-

able from a built-in conversion table. In addition, the engineering units used for

calibration can be independently selected.

Two rear panel control inputs can be field-configured for such functions as remote

track/hold, disabling peak/valley detection and clearing the peak/valley values. A

voltage or current digital-to-analog output is also provided.

2.2 Getting Started Quickly

As shipped from the factory, the RTD Input channel is calibrated for a standard

Pt100 (platinum, 100Ω@ 100ºC) RTD that conforms to the DIN-43760 / IEC751

standards (∝=0.00385). No further calibration is required prior to use.

Connect the RTD to the RTD Input channel according to “Wiring”on page 10.

page 10 008-0608-01

2.3 Wiring

2.3.1 Channel

Connector

The pin-out for the channel’s connector is shown in the following table.

The Analog Output and Analog Return pins are electrically isolated from all other pins

on the instrument.

Do not connect anything to the pins labeled as “N/C”. Damage to the instru-

ment or loss of accuracy may result.

2.3.2 4-Wire RTD

Connection

Use a 4-wire RTD connection when the highest possible accuracy is desired. The

excitation current from the instrument will be carried by two wires and the voltage drop

across the RTD will be sensed with the other two wires. Since the (+)Signal and (-

)Signal pins are high impedance inputs, there is little current flow through these wires

therefore the resistance of the wires doesn’t add to the resistance of the RTD.

Figure 2-1: “4-wire RTD Connection”to RTD Input Channel

Table 2-1: RTD Input Channel Pin Connections

Pin Label Function NOTES

1 (top) +EXC (+)Excitation referenced to pin 10

2N/C N/C DO NOT CONNECT!

3N/C N/C DO NOT CONNECT!

4 -EXC (-)Excitation referenced to pin 10

5 +SIG (+)Signal referenced to pin 10

6 -SIG (-)Signal referenced to pin 10

7 +OUT Analog Output referenced to pin 8

8 -OUT Analog Return -

9N/C N/C DO NOT CONNECT!

10 DGND Digital Ground -

11 AUX1 Auxiliary Function 1

(connect to pin 10 to activate)

referenced to pin 10

(bottom)

AUX2 Auxiliary Function 2

(connect to pin 10 to activate)

referenced to pin 10

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