California Instruments 251TL Manuals

Manuals and User Guides for California Instruments 251TL. We have 1 California Instruments 251TL manual available for free PDF download: User And Programming Manual

California Instruments 251TL User And Programming Manual (131 pages)

Brand: California Instruments | Category: AC Power Distribution | Size: 1 MB

Safety Summary
3
Warranty Information
5
Service Procedure
5
Spare Parts
5
Table of Contents
6
Introduction
10
General Description
10
Accessory Equipment/Rack Slides
10
Specifications
12
Electrical
12
Figure 2-1: Output Power Rating as a Function of Voltage and Load PF
14
Measurements [Option]
15
System Specification
16
Unit Protection
17
Mechanical
17
Environmental
18
Regulatory
18
Front Panel Controls
19
Available Options
19
Installation and Functional Test
20
Unpacking
20
Power Requirements
20
Figure 3-1: Model 251TL / 351TL AC Power Source
20
AC Line Voltage
21
Input Power
21
Figure 3-2: Rear Panel View
21
Input Voltage Range Selection
22
Figure 3-3: Connections to T1 for 105 - 125V Line Input
23
Figure 3-4: Connections to T1 for 210 - 250V Line Input
25
Mechanical Installation
26
Input Wiring
26
Output Connections
26
Output Voltage Ranges
27
Functional Test
28
Figure 3-5: Test Setup 351TL
29
Current Limit - Modes of Operation
30
Front Panel Operation
32
Functional Controls
32
Figure 4-1: Front Panel View
32
Status Indicator Lights
33
Figure 4-2: Voltage Auto Range Switch over Points
34
Figure 4-3: Shuttle Knob
35
LCD Displays
36
How to Examples
37
Set the Output
37
Setting the Power on Initialization Values
40
Table 4-1: Factory Default Power on Settings
40
Current Limit Modes
41
Function Strobe [Option]
42
Remote Inhibit [Option]
42
Principle of Operation
44
General
44
Overall Description
44
Input Power Supply
44
Figure 5-1: AC Power System Block Diagram
46
Range Relay Board
48
Amplifier
48
Controller Module
48
IEEE 488/ RS232 Interface [Option]
49
Calibration
52
Calibration Equipment
52
Table 6-1: Load Resistors and Current
52
Selecting Calibration Mode
53
Table 6-2: CAL Mode Status LED Indicators
53
Routine Calibration
54
Figure 6-1: Test Equipment Hookup for Routine Output and Voltage Measurement Calibration
54
Output Voltage Calibration
54
Figure 6-2: Test Equipment Hook-Up for Current and Power Measurement Calibration
55
Non-Routine Calibration
58
Current Limit Adjustment
59
Figure 6-3: Internal Adjustments
60
Service
62
General
62
Basic Operation
62
Table 7-1: Basic Symptoms
62
Table 7-2: Poor Output Voltage Accuracy
62
Table 7-3: Poor Output Voltage Regulation
62
Table 7-4: Distorted Output
63
Table 7-5: Unit Shuts down after 3-5 Seconds
63
Table 7-6: no Output and no Lights on Front Panel
63
Table 7-7: no Output but "Display" Is on
63
Module Removal
64
Figure 7-1: Assembly Location
65
Replaceable Parts
67
Table 7-8: Replaceable Parts
67
Remote Control
68
Introduction
68
PGUI32 Program Requirements
68
Figure 8-1: Rear Panel View
69
IEEE Interface
70
Figure 8-2: GPIB Address Selection Switch
70
RS232C Interface
71
Serial Cable Diagram
73
Figure 8-3: RS232C Interface Cable Wiring Diagram
73
PGUI32 Setup and Installation
73
Connecting the AC Source to the PC When Using RS232
73
Installing the PGUI32 Software
74
Trouble Shooting - RS232C
75
Figure 8-4: System Properties Dialog Box
76
Figure 8-5: Advanced Port Settings Dialog Box
76
Figure 8-6: COM Port Properties Dialog Box
76
Trouble Shooting - IEEE-488 / GPIB
78
Figure 8-7: ni AT-GPIB/TNT Settings
78
Figure 8-8: ni AT-GPIB/TNT Advanced Settings Dialog
78
PGUI32 Distribution Files
79
Software Registration
80
Introduction to SCPI
82
Conventions Used in this Manual
82
The SCPI Commands and Messages
82
Figure 9-1: Partial Command Tree
83
Using Queries
85
Structure of a SCPI Message
85
Figure 9-2: Command Message Structure
85
SCPI Data Formats
88
Listening Formats
88
SCPI Command Reference
90
Subsystem Commands
90
Calibration Subsystem
91
Calibration State
91
Measurement Calibration
92
Output Calibration
95
Measurement Subsystem
96
Source Subsystem
99
Output Subsystem
103
Limit Subsystem
106
Display Subsystem
108
Table 10-1: Mode Command Encoding
108
System Commands
109
Common Commands
111
Table 10-2: Bit Configuration of Standard Event Status Enable Register
112
Table 10-3: Bit Configuration of Standard Event Status Register
113
Bit Position
113
Table 10-4: *RST Default Parameter Values
115
Table 10-5: Status Registers - Power on Conditions
115
Table 10-6: Bit Configuration of Status Byte Register
117
Programming Examples
119
Introduction
119
Programming the Output
119
Power-On Initialization
119
Making Measurements
121
Status Registers
123
Power-On Conditions
123
Figure 12-1: AC Source Status System Model
123
Standard Event Status Group
124
Status Byte Register
124
Examples
125
Appendix A: SCPI Command Tree
126
Appendix B: SCPI Conformance Information
127
Appendix C: Error Messages
128
Table 12-1: Bus Error Messages
128
Index
129

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