Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for California Instruments 1251RP Series
Summarization of Contents
Safety Summary
Applying Power and Grounding
Guidelines for proper power connection and grounding.
Fuse Specifications
Specifies fuse type and rating for the unit.
Volatile Atmosphere Warning
Warnings against operating in hazardous environments.
Energized Circuits Warning
Precautions for avoiding electrical shock during servicing.
Servicing Alone Warning
Recommendation to have assistance when servicing.
Input Ratings Warning
Warning against exceeding device's input specifications.
Modification/Substitution Warning
Prohibition of unauthorized modifications or part replacements.
Moving the Power Source
Instructions for safely moving the equipment.
Surface Stability
Guidance on ensuring stable operation on a level surface.
Warranty and Service Information
Service Procedure
Steps for reporting faults and obtaining service.
Damage in Transit
Procedures for handling equipment damaged during shipping.
Spare Parts
Information on ordering replacement parts and manuals.
Introduction
General Description
Overview of the AC power source capabilities and features.
Product Specifications
Electrical Input Specifications
Line voltage, current, frequency, efficiency, and power factor details.
Electrical Output Specifications
Voltage range, accuracy, regulation, distortion, and power ratings.
Measurements Specifications
Specifications for current and voltage measurement functions.
System Specifications
Details on memory, RS232C, IEEE interfaces, and remote inhibit.
Unit Protection
Overcurrent, overvoltage, and overtemperature protection mechanisms.
Mechanical Specifications
Physical dimensions, weight, material, cooling, and connections.
Environmental Specifications
Operating temperature, humidity, and environmental ratings.
Regulatory Compliance
Standards for emissions, immunity, and safety compliance.
Front Panel Controls
Description of controls, displays, and indicators on the front panel.
Available Options
List of optional features and their part numbers.
Unpacking and Installation
Unpacking Procedures
Instructions for inspecting and handling the unit upon receipt.
Power Requirements
Details on the AC power input needed for operation.
Mechanical Installation
Guidance on physical placement and ventilation for the unit.
Input Wiring
Instructions for connecting the power source to the AC supply.
Output Connections
Details on front and rear panel output terminals.
Output Voltage Ranges
Information on the two available output voltage ranges.
Functional Test
Steps to verify the correct operation of the AC power source.
Front Panel Operation
Front Panel Guided Tour
Overview of the front panel layout and key components.
Output Outlets
Location and function of the front panel output sockets.
Status Indicator Lights
Explanation of the function of each front panel LED status indicator.
Shuttle Knobs
How to use shuttle knobs for parameter adjustment.
Function Buttons
Description of buttons for range, output state, and mode selection.
LED Seven Segment Displays
How the digital displays show programmed and measured values.
Operating Procedures
Set the Output
Step-by-step guide to setting output voltage, frequency, and current limit.
Slewing Output Values
How to change output parameters smoothly.
View Current Measurements
How to display measured current values.
Voltage Range Change
Procedure for switching between voltage ranges.
Output Control
How to enable or disable the AC source output.
Setting Power-On Initialization Values
How to configure default power-on settings.
Principle of Operation
General Description
Block diagram and overall explanation of the AC source system.
System Overview
Description of the AC input, DC-DC, and DC-AC conversion stages.
Power Factor Correction Module (PFC)
Explanation of the PFC module's function and circuitry.
DC-DC Converter Module
Details on the DC-DC conversion and its related LEDs.
Oscillator Control Board
Function of the oscillator board in generating sine wave reference.
DC to AC Power Module
How the DC to AC module generates the output voltage.
IEEE 488/ RS232 Interface
Optional interface board for remote control.
Calibration
Calibration Equipment
List of necessary test equipment for calibration.
Routine Calibration
Procedure for standard calibration checks.
Output Voltage Calibration
Steps to calibrate the output voltage accuracy.
Current Measurement Calibration
Steps to calibrate current measurement readings.
Non-Routine Calibration
Procedures for calibration after component replacement.
Current Limit Calibration
Procedure to calibrate the current limit function.
Voltage Measurement Calibration
Calibrating voltage measurement using PC software.
DC Offset Adjustments
Adjusting DC offset at the output.
Service and Troubleshooting
General Service Information
Overview of maintenance and troubleshooting procedures.
Basic Operation Troubleshooting
Diagnosing common operational issues and symptoms.
Advanced Troubleshooting
In-depth troubleshooting for complex issues.
Switch Off Unit
Procedure for safely powering down the unit.
Removing Top Cover
Steps to access internal components.
Initial Inspection
Visual checks for loose connections or wires.
Connectors and Fuses Check
Checking connections and fuses for faults.
Troubleshooting Using LEDs
Using front panel LEDs to diagnose power-on issues.
Introduction to PGUI32 Software
About the PGUI32 Program
Description of the graphical user interface software.
About This Section of the Manual
Scope of the manual section covering PGUI32 installation.
PGUI32 Program Requirements
Hardware and software prerequisites for PGUI32.
PGUI32 Setup and Installation
RS232C Cable Wiring
Diagram and specifications for the RS232C communication cable.
Connecting via RS232C
Connecting the source to PC using RS232C interface.
Connecting via IEEE-488
Connecting the source to PC using IEEE-488 interface.
Installing PGUI32 Software
Steps to install the PGUI32 software from CD or website.
Troubleshooting RS232C Communication
Resolving common communication problems with the RS232C interface.
User Registration
Encouragement to register for software updates and manuals.
Top Assembly Replaceable Parts
Replaceable Parts List
List of parts that can be replaced in the top assembly.
Programming Information
Introduction to SCPI
Overview of SCPI language and its use with the source.
SCPI Conventions
Conventions used in the manual for SCPI commands.
SCPI Commands and Messages
Syntax and types of SCPI commands and messages.
SCPI Command Types
Explanation of common and subsystem SCPI commands.
SCPI Message Types
Differences between program and response messages.
SCPI Command Tree
Structure and hierarchy of SCPI commands.
Using SCPI Queries
Precautions and best practices for using SCPI queries.
SCPI Message Structure
Components and format of SCPI messages.
SCPI Data Formats
Numerical and character data formats used in SCPI.
System Considerations
IEEE Interface
Details on the IEEE-488 interface capabilities.
IEEE Address Selection
How to set the IEEE address using DIP switches.
RS232C Interface
Details on the RS232C serial interface.
Serial Communication Test Program
Sample program for testing RS232C communication.
SCPI Command Reference
Measurement Subsystem
Commands for current and voltage measurement.
Source Subsystem
Commands for setting output parameters like current, voltage, range, and frequency.
Output Subsystem
Commands to control the main output function (enable/disable).
Limit Subsystem
Commands related to voltage, frequency, and current limits.
Display Subsystem
Commands to control the front panel display mode.
System Commands
Commands for system-level functions like error handling and mode control.
SYSTem:LOCal
Command to set the interface in Local state.
SYSTem:REMote
Command to set the interface in Remote state.
Common Commands
IEEE 488.2 standard commands for interface functions.
*CLS Command
Command to clear status registers.
*ESE Command
Command to set the Standard Event Status Enable register.
*ESR? Query
Query to read the Standard Event Status register.
*IDN? Query
Query to identify the instrument.
*RCL Command
Command to recall stored instrument states.
*RST Command
Command to reset the source to default parameters.
Programming Examples
Programming the Output
Examples of setting output parameters like voltage and frequency.
Making Measurements
Examples of reading voltage and current measurements.
Status Registers
Power-On Conditions
Status register conditions upon power-up.
Standard Event Status Group
Event register and enable register functions.
Status Byte Register
Summarizes information from other status groups.
Status Register Examples
Examples of determining reasons for MSS bit set.
Appendix A: SCPI Command Tree
SCPI Command Tree Structure
Hierarchical structure of SCPI commands.
Appendix B: SCPI Conformance Information
SCPI Version Conformance
Information on SCPI version conformance.
Appendix C: Error Messages
Error Messages List
List of error numbers, messages, and their causes.
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