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DRC-80C
Lakeshore DRC-80C Manuals
Manuals and User Guides for Lakeshore DRC-80C. We have
1
Lakeshore DRC-80C manual available for free PDF download: User Manual
Lakeshore DRC-80C User Manual (82 pages)
Digital Cryogenic ThermometerlControlIer
Brand:
Lakeshore
| Category:
Thermometer
| Size: 6 MB
Table of Contents
Table of Contents
3
General Information
8
Introduction
8
Description
8
Thermometer/Controller
8
Major Assemblies Supplied
10
Ordering of Replacement O R a D D I T I O N a L Sensors
10
Introduction
12
Initial Inspection
12
Power Requirements
12
Grounding Requirements
12
Installation
12
Repackaging for Shipment
13
Operating Instructions
15
Introduction
15
Controls, Indicators, Connectors
15
Temperature Readout
19
Standard DT-500-DRC and DT-500CU-DRC-36 Curves 1
20
The 10-Sensor S E L E C T O R Switch 1
20
Remote P a R a L L E L BCD Input/Output Option 1
21
Dt-500-Drc
24
Table
27
BCD Temperature Output
28
Model DRC-Series
28
Remote
28
Table 3.6
28
Table
29
D I N Standard Curve F O R Platinum S E N S O R S
29
IEEE I N T E R F a C E Option
33
General IEEE S P E C I F I C a T I O N S and Operation
33
Figure
35
DRC-84C-IEEE P a N E L Layout
35
Figure
38
S P E C I F I C O P E R a T I O N of T H E DRC8-IEEE I N T E R F a C E
39
Sample Programming
39
Option Board
41
I N S T a L L a T I O N of DRC IEEE Option Board
42
Rack Mounting T H E DRC-84C
42
Figure 3.4
42
E R R O R C O N D I T I O N S
43
Theory of Operation
44
Introduction
44
General Description
44
DRC-84C F R O N T P a N E
45
Figure
45
DRC-84C Block Diagram
45
Detailed Description
46
4.3.1 Power Supplies
46
4.3.2 Precision Current Sources and Input Switching
47
4.3.3 A/D Converter and Microprocessor Hardware
47
4.3.4 Software
48
Figure
50
Analog Control and Set Point
51
4.3.6 Digital Display Board
52
Calibration and Troubleshooting
54
Introduction
54
Test Equipment
54
General Remarks
54
Instrument Calibration
54
5.4.1 Current Sources
54
5.4.2 A/D Converter
55
5.4.3 D/A Converter
55
Table
55
Decimal-Hex T a B L E
55
Table
56
Output Buffer
58
DRC L/A Option (if P R E S E N
58
Instrument Tests
58
Figure
59
Table
59
Replaceable Parts List
62
Main Board Components
62
DRC-84C BCD-L/A and IEEE Components L I S
70
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