Lake Shore DRC-91 C User manual

USER’S MANUAL
Model DRC-91 C
Tem per at u re Con t ro I ler
Obsolete Notice:
This manual describes an obsolete Lake Shore product This manual is a copy from our archives
and may not exactly match your instrument Lake Shore assumes no responsibility for this
manual matching your exact hardware revision or operational procedures. Lake Shore is not
responsible for any repairs made to the instrument based on information from this manual.
Lakeshore.
Lake Shore Cryotronics, Inc.
575 McCorkle Blvd.
Westerville, Ohio 43082-8888
USA
Internet Addresses.
sales@lakeshore com
service@lakeshore com
Fax [phone]
Telephone [phone]
Methods andapparatusdisclosed and describedherein have been developed solely on company funds of Lake Shore Cryotronlcs Inc No government or other contractualsupport Or
relationshipwhatsoeverhasexisted which in any way affects or mitigatesproprietaryrights of Lake Shore Cryotronlcs Inc in these developments Methods andapparatus disclosed
hereinmay be subject to U S Patentsexisting or applied lor Lake Shore Cryotronics Inc reserves the right to add improve modify or withdraw functions deslgn modificationsor
poducts at any time withoutnotice Lake Shore shall not be liable lor errors containedherein or lor incidental or consequential damagesinconnectionwth furnishing performance Or use
of this material
Manual No MAN-DRC-91 C
December, 1987

SERIAL NUMBER
SOFTWARE
INSTRUCTIO MANUA L
MODEL
TEMPERATUR
Input Card
ut B
92 10-3
Standard 3 volt Configuration
-6 6 Volt Diode Configuration
9215-15 Standard 15 Nanofarad Capac
-150 150 Nanofarad Configuration
9220-3 Standard 3 volt Configuration
-6 6 Volt Configuration
-P2
-P3
-R1
27 ohm Rh-Fe conversion module
100 ohm platinum conversion modul
1000 ohm platinum conversion modu
9305 Thermocouple Input Card
9317C Ultra-low (0.3K) Germaniuminput Card
9318C Germanium/Carbon Glass I
No Input Card
Precision Option(s)
8223 RS-232C Interface 8001 8002
8225 Analog Output Interface (0- Output Power
8229 Scanner Input Option W50 W60
High Resolution Set Point
This manual applies directly to
16000 and
nts with Serial N
COPYRIGHT 1987, Lake Shore Cryotronics, Inc.
Westerville,
Ohio U.S.A.

WARRANTY
Lake Shore Cryotronics, Inc., the manufacturer, warrants this product
to the owner for a period of
12 months from the date of shipment.
During the warranty period, under authorized return of instruments or
component
parts to Lake Shore freight prepaid, the company will repair,
or at its option replace,
any part found to be defective in material or
workmanship without charge to the
Owner for parts, service labor or
associated customary shipping cost. Replacement or repaired parts will
be warranted for only the unexpired portion of the original warranty.
All products are thoroughly tested and calibrated to published
specifications prior to shipment. Calibration Certifications are
offered for six month periods only. Where such documentation must be
updated, a re-certification service
is offered by Lake Shore
Cryotronics,Inc. at a reasonable cost.
LIMITATION OF WARRANTY
This warranty does not apply to defects resulting from improper or
inadequate maintenance, unauthorized modification or misuse, operation
outside of the environmental specifications for any product or part
or
buyer-supplied software or interfacing.
THIS WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE, WHICH
ARE EXPRESSLY EXCLUDED. THE OWNER AGREES THAT LAKE SHORE’S LIABILITY
WITH RESPECT TO THIS PRODUCT SHALL BE SET FORTH IN THIS WARRANTY, AND
INCIDENTAL
OR CONSEQUENTIAL DAMAGES ARE EXPRESSLY EXCLUDED.
CERTIFICATION
Lake Shore Cryotronics, Inc. certifies that this product has been
inspected and tested
in accordance with its published specifications
and that this product met its published specifications at the time of
shipment.
The accuracy and calibration of this product at the the of shipment
are traceable to the United States National Bureau of Standards.
Copyright 12/87

TABLE OF CONTENTS
SECTION I - GENERAL INFORMATION
1.1 INTRODUCTION . 1-1
1.2 DESCRIPTION . 1-1
1.3 SPECIFICATIONS 1-3
1.4 OPTIONS 1-3
...
SECTION II - INSTALLATION
2.1 INTRODUCTION .... 2-1
2.2 INITIAL INSPECTION
. 2-1
2.3 PREPARATION
FOR USE 2-1
2.3.1 Power Requirements 2-1
2.3.2 Power Cord .... 2-2
2.3.3
Grounding Requirements . 2-2
2.3.4
Bench Use ....... 2-2
2.3.5
Rack Mounting ...... 2-2
2.3.6 Sensor Input Connections , 2-2
2.3.7 J3 Sensor Output MONITORS 2-3
2.3.8 SENSOR ID Switches ... 2-3
2.3.9 Heater Power ...... 2-4
2.3.9.1 MAX HEATER POWER Limit .... 2-5
2.3.9.2
Current or Power Output Display 2-5
2.4
REMOTE SENSOR ID Connector . 2-5
2.5 IEEE-488
INTERFACE Connector 2-5
2.6 OPTIONS
.......... 2-6
2.6.1
The RS-232C Option . 2-6
2.6.2
The 8229 Scanner Option . . 2-6
2.6.3
The 8225 Linear Analog Option 2-6
2.6.4 High Resolution Set Point . 2-6
2.6.5
The 8001 and 8002 Precision Options 2-6
2.6.6 The W50 and W60 Power Output Options 2-6
2.7
ENVIRONMENTAL REQUIREMENTS . 2-6
2.7.1 Operating
Temperature 2-6
2.7.2 Humidity/Altitude
. 2-6
2.8
REPACKAGING FOR SHIPMENT , . 2-6
SECTION III - OPERATING INSTRUCTIONS
3.1 INTRODUCTION. ......... 3-1
3.2 INSTRUMENT CONFIGURATION .... 3-1
3.2.1
Input Card Configurations 3-1
3.2.2
Single Input Card ... 3-1
3.2.3
Dual Input Cards .... 3-1
3.2.4
Old Version Input Cards 3-1
3.3 CURVE ENTRY .......... 3-1
3.4 PRECISION OPTIONS ....... 3-2
3.4.1
The Model 8000 Precision Option . 3-2
3.4.2
The Model 8001 Precision Option . 3-2
3.4.3 The Model 6002-05 Precision Option 3-2
3.5 CONTROL FUNDAMENTALS. 3-2
3.6 CONTROLS AND INDICATORS 3 -2
12/87

TABLE OF CONTENTS (Cont'd)
FRONT PANEL DESCRIPTION
3.7 POWERON.. ........ 3-2
3.7.1 POWER UP Sequence . 3-2
3.7.2 POWER-UP Status . . 3-4
3.8 DISPLAY SENSOR Block .... 3-4
3.8.1 DISPLAY SENSOR Input 3-4
3.8.2 8229 Scanner Conversion option . 3-4
3.8.3 SCAN Function ......... 3-4
3.8.4 The SCAN Dwell Time ...... 3-4
3.8.5 DISPLAY AND DISPLAY SENSOR Units 3-5
3.8.5.1 units Select ..... 3-5
3.8.5.2 Sensor Units Mode ... 3-5
3.8.5.3 Voltage Units ..... 3-5
3.8.5.4 Resistance Units ... 3-5
3.8.5.5 Capacitance Units ... 3-6
3.8.6 Display Resolution ........ 3-6
3.8.6.1 Temperature Display Resolution Set .... 3-6
3.8.7 Filtering the Display 3-7
3.9 SENSOR CURVES ...... 3-7
3.9.1 Standard Curves . 3-7
3.9.2 The Precision Option Table 3-7
3.10 SENSOR CURVE SELECTION ...... 3-8
3.10.1 SENSOR ID Switch 4 Open (0) 3-8
3.10.1.1 Display of Accessed curve ......... 3-8
3.10.2 SENSOR ID Switch 4 Closed (1) -
No REMOTE SENSOR ID Present ........ 3-9
3.10.3 SENSOR ID Switch 4 Closed (1) -
REMOTE SENSOR ID Present ......... 3-9
3.10.4 Addition of 8229 Scanner Option .......... 3-10
3.10.5 Display of Accessed Position and Assigned Curve . . 3-10
3.10.6 Sensor Curve assignment to Sensor Position ..... 3-10
3.11 CONTROL BLOCK . 3-10
3.11.1 SET POINT 3-10
3.11.2 GAIN . . 3-10
3.11.3 RATE . . 3-10
3.11.4 RESET . 3-11
3.11.5 HEATER % 3-11
3.11.6 The HEATER POWER RANGE 3-11
3.12 LOCAL/REMOTE BLOCK 3-11
3.12.1 LOCAL . . 3-11
3.12.2 REMOTE - . 3-11
REAR PANEL DESCRIPTION
3.13 REMOTE SENSOR ID . . 3-13
3.14 HEATER CURRENT LIMIT 3-13
SECTION IV - REMOTE OPERATION
4-1. IEEE-488 INTERFACE . . . . . - * . - - . 4-1
4.2 GENERAL IEEE SPECTFICATIONS AND OPERATION 4-1
4.3 INTERFACE CAPABILITIES ......... 4-2

TABLE OF CONTENTS (COnt'd)
4.4 DRC-91C IEEE-488 ADDRESS SWITCH ...... 4-3
4.4.1 Terminating Characters (delimiters) 4-3
4.4.2 Talker and/or Listener Configuratior 4-3
4.4.3
The IEEE-488 INTERFACE bus address . 4-5
4.5 IEEE-488 BUS COMMANDS . . 4-5
4.5.1 Uniline Commands 4-5
4.5.2 Universal Commands 4-5
4.5.3 Addressed Commands
4-5
4.5.4 Unaddress Commands 4-6
4.5.5 Device-Dependent Commands
..... 4-6
4.5.6 Talker and Listener Status ..... 4-6
4.6 PROGRAMMING INSTRUCTIONS .......... 4-7
4.6.1 Commands and Requests
....... 4-8
4.7
INSTRUMENT SETUP COMMANDS AND REQUESTS ... 4-8
4.7.1 EO1 Status
- The ZN1 Command .... 4-8
4.7.2 Interface Mode - The MN1 Command . . 4-8
4.7.2.1 Local ...........
4-8
4.7.2.2 Remote ...........
4-10
4.7.2.3 Local Lockout ....... ... 4-10
4.7.4 Clear ...................... 4-10
4.7.5 The “W2” Data String ............... 4-10
4.7.3 Terminating Characters - The TN1 command ..... 4-10
4.7.6 The “WI” Data String ............... 4-10
4.8 SELECTION OF SET POINT UNITS, INPUT UNITS,
DISPLAY SENSOR, RESOLUTION (Table 4-7) .......... 4-10
4.8.1 Units
for Set point - The FOC1 Command ...... 4-10
4.8.2 Units for A and B Inputs -
The F1AC1 and F1BC1 Commands ........... 4-11
4.8.3 Display Sensor Selection - The F2C1N1 Command . . 4-11
4.8.4 Resolution for A and B Inputs -
The F3AN1 and F3BN1 Comands .... . 4-11
4.8.5 The
A and B SENSOR ID Information -
4.8.6 The Sensor ID on Return to Local . . . 4-11
4.8.7
The “W1” Data String ........ . 4-13
4.9 THE CONTROL COMMANDS ............ . 4-13
4.9.1
The Set Point Value - The S Command . 4-13
4.9.2
The “WP” Request Data string ........... 4-14
4.9.3 Setting
the GAIN (Proportional) - The P Command . 4-15
4.9.4 Setting the RESET (Integral)
- The I Command . . , 4-16
4.9.5 Setting the
RATE (Derivative) - The D Command . . 4-16
4.9.6 Heater Range
- The R Command . 4-16
4.9.7 NOTE: The Return to
Local . . 4-16
4.9.8 The “W3” Data String
..... 4-16
4.10
THE SCANNER INPUT CARD ........ 4-16
4.10.1
SCAN Programming Instructions. 4-16
The AC1C2 and BC1C2 Commands .... . 4-11
4.10.2 Setting the Dwell Time -
4.10.3 Selecting the Scanner channel -
The YCAC1 Command ................ 4-16
4.10.4 Enabling
the Scan Function - The YS Command ... 4-16
4.10.5 Holding the
Scan Function - The YH Command . . . . 4-17
4.10.6 The
“WY” Data String ............... 4-17
12/87
The YAN1N2N3 and YBON2N3 Commands ........ 4-16

TABLE OF CONTENTS (Cont'd)
4.11 THE SERVICE REQUEST, STATUS REGISTER, STATUS REPORTS,
AND THE STATUS REGISTER MASK ............... 4-17
4.11.1 The Service Request ............... 4-18
4.11.2 The Status Register and Status Reports ...... 4-18
4.11.2.1
Status Reports 0 and 1 -
Display and Control Data Ready ..... 4-18
The Control Channel Limit ........ 4-18
Display Sensor Channel Change ...... 4-19
4-19
4-19
4.11.2.2 Status Report 2 -
4.11.2.3 Status Report 3 -
4.11.2.4 Status Report 5 -Overload Error Indicator
4.11.2.5 When operating without the Service Request
4.11.3.1
Status Register Mask Bits 0 and 1 -
Display and Control Data Ready Enables . 4-20
4.11.3.2
Status Register Mask Bit 2 -
The Control Channel Limit Enable .... 4-20
4.11.3.3
Status Register Mask Bit 3 -
Display Sensor Channel Change Enable . . 4-20
4.11.3.4
Status Register Mask Bit 5 -
4.11.3.5 Examples for setting Mask ........ 4-21
4.11.3.6
Status Register Mask at Power up .... 4-21
4.11.4
The “WQ” Data String . 4-23
4.12 Command
Operations ...... 4-23
4.12.1 Output
Data Statemants 4-23
4.12.2
The "WO" Data String . 4-23
4.13.1 HP860 Keyboard Interactive Program ........ 4-24
4.13.2
National Instruments IBM Example ......... 4-25
4.13.3
National Instruments QUICK BASIC IBM Example ... 4-25
4.13.4
HP86B Bus Comands Program ............ 4-26
4.14 SENSOR CURVE PROGRAMMING INSTRUCTIONS .......... 4-27
4.14.1 The XDT Command .
4-27
4.14.2 The XDN1N2 Command 4-27
4.14.3 The WA Command .
4-30
4.14.4 The XCN1N2 Command 4-30
4.14.5 The XEN1N2 Command
4-31
4.14.6 The XKN1N2* Command
4-31
4.14.7 The XAC1C2=N1N2* am XBC1C2=N1N2* Commands .... 4-31
4.11.3 The Status Register Mask - The QC1C2 Command ... 4-19
Overload/Error Indicator Enable ..... 4-20
4.13 Sample Programming ...... 4-24
SECTION V - MAINTENANCE
5.1 INTRODUCTION ............... 5-1
5.2 GENERALMAINTENANCE ........... 5-1
5.3 FUSE REPLACEMENT ............. 5- 1
5.4 LINE VOLTAGE SELECTION .......... 5-1
5.5 PERFORMANCE VERIFICATION ......... 5-2
5.5.1 Performance Verification connector 5-2
5.5.2
Performance Verification procedure 5-2
5.6 CALIBRATION ............... 5-2
5.6.1 Input Card Calibration ...... 5-2
5.6.2
Set Point Voltage Calibration . . 5-2
12/87

TABLE OF CONTENTS (Cont'd)
5.6.3 Calibration of GAIN, RATE and RESET . . . . . . . 5-3
5.6.4 Calibration of Power Output . . , . . . - . . . . 5-3
5.7 TROUBLESHOOTING . . . . . . . . . . . . . . . - . . . . . . 5-4
SECTION VI - ACCESSORIES, INPUT CARDS AND OPTIONS
APPENDIX A - Standard Curve Data
APPENDIX B - Sensor Curve Character Information
APPENDIX C - Error Code Summary

LIST OF TABLES AND ILLUSTRATIONS
SECTION I - GENERAL INFORMATION
Table 1-1. Specifications, Model DRC-91C Temperature Controller . . 1-4
SECTION II - INST-TION
............... Table 2-1. Line Voltage Selection
2-1
Figure 2-1. Typical Rack Configuration ............. 2-2
Table 2-2,
INPUT Connections for J1 INPUT A and J2 INPUT B . . 2-2
Figure 2-2.
Sensor Connections ................. 2-2
Table 2-3.
J3 MONITORS Connections. .............. 2-3
Figure 2-3. SENSOR
ID Definitions ................ 2-3
Table 2-4, SENSOR
ID Standard Curve Address .......... 2-4
Table 2-5. REEMOTE SENSOR ID Connector Assignments.
....... 2-4
SECTION 111 - OPERATING INSTRUCTIONS
Figure 3-1. DRC-91C Temperature Controller - Front Panel. .... 3-3
Table 3-1, SYSTEM RESOLUTION VERSUS SENSOR SENSITIVITY ..... 3-5
Table 3-2. Standard Curve Information ............. 3-6
Table 3-3. Sensor Curve Table Information - Precision Option Table 3-7
Table 3-4- Position # versus Curve # Correlation Table -
Figure 3-3. Reset and Rate Ties for 91C ............. 3 -9
Figure 3-2. DRC-91C Temperature Controller - Rear Panel ..... 3-10
SENSOR ID Switch 4 = 1 ............... 3-8
Table 3-5. Pin Assignments for the 55 REMOTE SENSOR ID Connector 3-11
SECTION IV - REMOTE OPERATION
Table 4-1. Interface Functions. ................ 4-2
Figure 4-1. ZEEE-488 Address Switch for the DRC-91C . . . . , . . 4-3
Table 4-2, Allowable Address Codes for the DRC-9lC ....... 4-4
Table 4-3. IEEE-488 BUS Commands ................ 4-6
Table 4-4. DRC-91C Program Code Summary - Instrument Setup . . 4-7
Table 4-5. DRC-9lC Summary of Output Requests. ......... 4-8
Table 4-6. DRC-91C Interface Setup Commands and Request Status . 4-9
Table 4-7. DRC-91C Comand Summary for Instrument Setup. . . 4-12
Table 4-8. DRC-91C Output Request Sumnary for Instrument Setup . 4-13
Table 4-9. DRC-91C Command/Request Summary for Setpoint Setup. . 4-14
Table 4-10, DRC-91C Command/Request Summary for
the Control Parameters. ............... 4-15
Table 4-13, DRC-91C Command/Request Sumnary for
Status Register Mask. ................ 4-21
Figure 4-2. DRC-91C SRQ MASK and Status Byte Format . . . . . . 4-22
Table 4-14, Commands to Fix the Status Register Mask ...... 4-22
Table 4-15. DRC-91C Output Data Statements ............ 4-24
Table 4-16, Sensor Curve Commands and Description . . . . . . . . 4-28
Table 4-17. Sensor Curve Information Table Output Format . .) .. 4-29
Table 4-18. XDN1N2 Sensor Curve output Format . . . . . . . . . 4-29 .
Table 4-19. Conversion of Raw Units Data for the XC Command . . . 4-32
Table 4-11, DRC-9lC Command/Request Summary for Scanner ..... 4-17
12/87

Model DRc-91c Section I
SECTION I
GENERAL INFORMATION
1.1 INTRODUCTION option selected, the DRC-91C
handles silicon (9210-3 or
9220-3)
The information contained in this or the patented Gallium-Aluminum-
operations manual pertains to the Arsenide
(9210-6 or 9220-6) diodes,
installation, operation, remote platinum or rhodium-iron resistors
programming, options and acces- (9220 series), germanium or carbon
sories for the Lake Shore Cryotro- glass resistors (9317C, 9318c),
or
nics, Inc. Model DRC-91C Tempera- capacitance sensors (9215).
ture Controller. This manual also
contains troubleshooting and With or without the
8229 Scanner
calibration procedures, schematics, Card, the DRC-91C can
be set to
component layouts and a complete scan automatically with an in-
parts list. dividual dwell time of
1 to 99
seconds per channel or stepped to
This section contains general any available input and held there.
information for the Lake Shore Setting the dwell time to zero
Cryotronics, Inc. DRC-91C Tempera- causes a particular channel to be
ture Controller. Included is an skipped. If all dwell times are
instrument description, specifica- zero, the instrument stays on the
tions, instrument identification, channel selected.
option and accessory information. The DRC-91C gives a direct reading
1.2 DESCRIPTION in temperature when used with any
DT-470 Series Temperature Sensor.
The DRC-91C Temperature Controller All
MI-470 Sensors follow the same
is a microprocessor based instru- temperature response curve. Four
ment which provides true analog bands
of tracking accuracy are
control. It is capable of scanning available. Refer to DT-470
multiple sensor inputs and display-
ing temperature with up to
5 digits
of resolution
in K, °C or °F or Diode sensor voltages are digitized
sensor units (volts,
ohms or to a resolution of 100 microvolts
nanofarads) to five digits. with full scale dependent on input
card configuration. Thetempera-
The DRC-91C
can be used with either ture display has a resolution
1 or 2 input cards. When two input capability of 0.01 kelvin above 100
cards are used, these cards can be kelvin and 0.001 kelvin below 100
different to allow two separate kelvin.
types of sensors to be used with
the controller. For greater precision individual
sensor calibrations can be accommo-
The dual sensor input with the dated with the
8001 Precision
optional 8229 Scanner Conversion Calibration Option which programs
Card expand the input capability of the instrument with calibration
the DRC-91C to up to
6 input data for a specific Sensor. The
sensors.
Depending on the input algorithm within the instrument
technical data for details.
COPYRIGHT 1/88 LSCI 1-1