SRS Labs PTC10 Bedienungsanleitung

Version 4.2 (May 14, 2019)

User Manual

PTC10

Programmable Temperature Controller

PTC10 Programmable Temperature Controller

Certification

Stanford Research Systems certifies that this product met its published specificationsat the timeof shipment.

Warranty

This Stanford Research Systems productis warrantedagainst defects in materials and workmanship fora period of

one (1) year from the date ofshipment.

Service

For warranty service or repair, this product must be returned to a Stanford Research Systems authorized service

facility. Contact Stanford Research Systems or an authorized representative before returning this product for repair.

Information in this document is subject to change without notice.

Stanford Research Systems, Inc.

1290-C Reamwood Avenue

Sunnyvale, California 94089

Phone: (408) 744-9040

Fax: (408) 744-9049

www.thinkSRS.com

Printed in the USA

Contents i

PTC10 Programmable Temperature Controller

Contents

Safety and preparation for use.......................................................................................v

Specifications ..................................................................................................................vii

Introduction 1

I/O cards ............................................................................................................................2

PTC320 thermistor/diode/RTD card.................................................................................... 2

PTC321 RTD reader................................................................................................................ 5

PTC323 2-channel thermistor/diode/RTD card................................................................... 6

PTC330 thermocouple reader.............................................................................................. 11

PTC420 AC output card........................................................................................................ 13

PTC430 50 W DC output card............................................................................................. 14

PTC431 100W DC output card............................................................................................ 15

PTC440 TEC driver ...............................................................................................................17

PTC510 analog I/O card....................................................................................................... 20

PTC520 digital I/O card........................................................................................................20

Operation 23

Quick start tutorial ........................................................................................................24

Turn the instrument on.......................................................................................................... 24

The Select screen...................................................................................................................24

Configure the sensor inputs................................................................................................... 24

If the sensor reading does not appear................................................................................... 25

Plot data.................................................................................................................................. 25

Test the outputs.....................................................................................................................26

Set the data logging rate.........................................................................................................27

Save data to and retrieve data from a USB memory device................................................27

Interface with a computer...................................................................................................... 28

Control a temperature........................................................................................................... 29

Acquiring and logging data ...........................................................................................36

Input filters..............................................................................................................................36

Custom calibration tables...................................................................................................... 36

Virtual channels ...................................................................................................................... 38

Logging data to internal memory........................................................................................... 39

Logging data to USB...............................................................................................................39

ADC sampling and logged data .............................................................................................39

Format of PTC10 log files...................................................................................................... 40

Using the system fan .....................................................................................................41

Using PID feedback........................................................................................................42

...................................................................... 42

Basic PID feedback concepts................................................................................................. 42

Manual tuning..........................................................................................................................43

Automatic tuning algorithms..................................................................................................46

Using the automatic tuner......................................................................................................49

Front-panel controls......................................................................................................52

Contents ii

PTC10 Programmable Temperature Controller

USB logging indicator .............................................................................................................52

.............................................................................................................................. 52

.............................................................................................................. 52

.......................................................................................................................53

..................................................................................................................54

........................................................................................................................... 54

................................................................................................................... 59

...................................................................................................................64

..................................................................................................................... 78

Firm ware updates..........................................................................................................85

Replacing the clock battery..........................................................................................86

Remote programming 87

Connecting to the PTC10...................................................................................................... 87

Communication, assembly, and run-time errors.................................................................. 90

Concurrent macros................................................................................................................90

Macro names.......................................................................................................................... 91

Command syntax ...................................................................................................................91

Rem ote instructions ......................................................................................................95

General instructions............................................................................................................... 95

IEEE 488.2 Instructions........................................................................................................... 99

Program submenu................................................................................................................103

System submenu...................................................................................................................106

<channel> submenu............................................................................................................110

Error codes...........................................................................................................................121

Startup macro.......................................................................................................................122

Sample macros.............................................................................................................123

Temperature profiles...........................................................................................................123

Control a feedback setpoint with an analog input..............................................................124

PID input scheduling.............................................................................................................124

Show channels with tripped alarms on the Numeric screen .............................................125

Make a virtual channel show the PID setpoint....................................................................125

Linearizing outputs when interfacing with external power supplies..................................125

Control instrument functions with the digital IO lines .......................................................126

Drive a solid state relay with the digital IO lines.................................................................127

PC applications 129

PTCFileConverter .......................................................................................................130

FileGrapher...................................................................................................................132

File menu...............................................................................................................................132

Edit menu..............................................................................................................................132

Process menu.......................................................................................................................134

Special menu.........................................................................................................................136

Command line and macro instructions...............................................................................137

Circuit description 141

Core system cards .......................................................................................................142

PTC212 CPU board.............................................................................................................142

PTC221 backplane...............................................................................................................142

Contents iii

PTC10 Programmable Temperature Controller

PTC231 front panel..............................................................................................................144

PTC240 GPIB card...............................................................................................................145

I/O cards........................................................................................................................146

PTC320 1-channel thermistor/diode/RTD reader...........................................................146

PTC321 4-channel RTD reader...........................................................................................147

PTC330 thermocouple reader............................................................................................148

PTC420 AC output card......................................................................................................149

PTC430 50W DC output card............................................................................................149

PTC431 100W DC output card..........................................................................................150

PTC440 TEC driver .............................................................................................................151

PTC510 analog I/O card.....................................................................................................152

PTC520 digital I/O card......................................................................................................153

Parts List 155

PTC212 CPU board.............................................................................................................155

PTC221 backplane...............................................................................................................165

PTC231 front panel..............................................................................................................167

PTC240 GPIB option...........................................................................................................169

PTC320 1-channel thermistor, diode, and RTD reader ....................................................170

PTC321 4-channel RTD reader...........................................................................................173

PTC330 thermocouple reader............................................................................................176

PTC420 AC output card......................................................................................................180

PTC430 50W DC output card............................................................................................182

PTC440 TEC driver .............................................................................................................184

PTC510 analog I/O card.....................................................................................................187

PTC520 digital I/O card......................................................................................................189

Schematics 193

Safety and Preparation for Use v

PTC10 Programmable Temperature Controller

Line voltage

The PTC10 operates from an88 to 264 VAC power source having a line frequency between 47

and 63 Hz.

Power entry module

A power entry module,labeledAC POWER onthe backpanelof the PTC10, provides

connection to the power source and to a protective ground.

Power cord

The PTC10 package includes a detachable, three-wire power cord for connection to the power

source and protective ground.

The exposed metal parts of the box are connected to the power ground to protect against

electrical shock. Always use an outlet which has a properlyconnected protective ground. Consult

with an electrician if necessary.

Grounding

A chassis grounding lug isavailable on the back panel of the PTC10. Connect a heavy duty

ground wire, #12AWG or larger, from the chassis ground lug directly to a facility earth ground to

provide additional protection against electrical shock.

Line fuse

Use a 10 A/250 V 3AB Slo-Blo fuse.

Operate only with covers in place

To avoid personal injury, do not remove theproduct covers or panels. Do not operate the

product withoutall covers andpanels inplace.

Serviceable parts

The PTC10 does not includeany user serviceableparts inside. Refer service toa qualified

technician.

Specifications vii

PTC10 Programmable Temperature Controller

PTC10 temperature controller

Maximum PID rate 50 or 60 Hz, depending on AC line frequency

Data logging rate 10 samples/second/channel 1 sample/hour/channel (can be set

independently for each channel or globally for all channels)

Display resolution 0.001 °C, °F, K, V, A, W, etc. if 1000 < displayed value < 1000;

6 significant figures otherwise

PID feedback auto-tuning Single step response or relay tuning with conservative, moderate, and

aggressive response targets

Display 320 × 240 pixel touchscreen; numeric and graphical data displays.

Alarms Upper and lower temperaturelimits or rate-of-change limits can be set on each

channel. If exceeded, an audio alarm and a relay closure occur.

Computer interface USB, Ethernet, and RS-232; optional GPIB (IEEE488.2)

Power 10 A, 88 to 132 VAC or 176 to 264 VAC, 47 to 63 Hz or DC

Dimensions 17"× 5" × 18" (WHL)

Weight 25 lbs.

Warranty One year parts and labor on defects in material and workmanship.

PTC320 thermistor, diode, and RTD reader

Inputs One input for 2-wire or 4-wire thermistor, diode, or RTD

Connector 6-pin 240° push-pull DIN socket

Thermistors

Range 0 30, 100, 300 ; 1, 3, 10, 30, 100, 300 k ; 2.5 M

Excitation current

30 range 200 µA

100 range 100 µA

300 range 50 µA

1 k range 30 µA

3 k range 20 µA

10 k range 10 µA

30 k range 5 µA

100 k range 3 µA

300 k range 2 µA

2.5 M range 1 µA

Initial accuracy

30 range ±0.025

100 range ±0.06

300 range ±0.1

1 k range ±0.2

3 k range ±0.6

10 k range ±1.3

30 k range ±4

100 k range ±10

300 k range ±250

2.5 M range ±30 k

Drift due to temperature

30 range ±0.002 /°C

100 range ±0.006 /°C

300 range ±0.006 /°C

1 k range ±0.01 /°C

Specifications viii

PTC10 Programmable Temperature Controller

3 k range ±0.03 /°C

10 k range ±0.1 /°C

30 k range ±0.15 /°C

100 k range ±0.5 /°C

300 k range ±3 /°C

2.5 M range ±2000 /°C

RMS noise

30 range 0.003

100 range 0.006

300 range 0.012

1 k range 0.02 (= 2 mK for 300 thermistor at 25°C)

3 k range 0.03 (= 0.8 mK for 1 k thermistor at 25°C)

10 k range 0.06 (= 0.6 mK for 2252 thermistor at 25°C)

30 k range 0.1 (= 0.3 mK for 10 k thermistor at 25°C)

100 k range 0.3 (= 0.2 mK for 30 k thermistor at 25°C)

300 k range 3 (= 0.7 mK for 100 k thermistor at 25°C)

2.5 M range 25 (= 1.8 mK for 300 k thermistor at 25°C)

Diodes

Excitation current output 10 µA

Initial accuracy ± 100 ppm

Drift ±5 ppm/°C

Voltage input 0 2.5 V

Initial accuracy 10 µV + 0.01% of reading

Drift ±5 ppm/°C

RMS noise 1.5 µV

RTDs

Range 0 30, 100, 300 ; 1, 3, 10, 30, 100, 250 k , 2.5 M

Excitation

30 range 3 mA

100 range 2 mA

300 range 1 mA

1 k range 500 µA

3 k range 200 µA

10 k range 100 µA

30 k range 50 µA

100 k range 10 µA

300 k range 5 µA

2.5 M range 1 µA

Initial accuracy

30 range ±0.004

100 range ±0.008

300 range ±0.02 (=±50 mK for Pt100 RTD at 25°C)

1 k range ±0.04

3 k range ±0.1

10 k range ±0.2

30 k range ±1

100 k range ±2.5

300 k range ±16

2.5 M range ±30 k

Drift due to temperature

30 range ±0.0006 /°C

100 range ±0.001 /°C

300 range ±0.0015 /°C (=±5 mK/°C for Pt100 RTD at 25°C)

1 k range ±0.005 /°C

3 k range ±0.01 /°C

10 k range ±0.03 /°C

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