User`s guide
Table Of Contents
- Agilent E3632A DC Power Supply
- Table of Contents
- List of Figures
- List of Tables
- 1 Getting Started
- 2 Operation and Features
- Overview
- Constant Voltage Operation
- Constant Current Operation
- Storing and Recalling Operating States
- Programming the Overvoltage Protection
- Programming the Overcurrent Protection
- Remote Voltage Sensing
- Disabling the Output
- System-Related Operations
- Remote Interface Configuration
- GPIB Interface Configuration
- RS-232 Interface Configuration
- Calibration
- 3 Remote Interface Reference
- SCPI Command Summary
- Introduction to the SCPI Language
- Simplified Programming Overview
- Using the APPLy Command
- Output Settings and Operation Commands
- Triggering Commands
- System-Related Commands
- Calibration Commands
- RS-232 Interface Commands
- SCPI Status Registers
- What is an event register?
- What is an enable register?
- SCPI status system
- The Questionable Status register
- The Standard Event register
- The Status Byte register
- Using Service Request (SRQ) and Serial POLL
- Using *STB? to read the Status Byte
- Using the Message Available Bit (MAV)
- To interrupt your bus controller using SRQ
- To determine when a command sequence is completed
- Using *OPC to signal when data is in the output buffer
- Status Reporting Commands
- Halting an Output in Progress
- SCPI Conformance Information
- IEEE-488 Conformance Information
- 4 Error Messages
- 5 Application Programs
- 6 Tutorial
- 7 Characteristics and Specifications

Operation and Features 2
Calibration
E3632A User’s Guide 65
Remote interface operation
To unsecure the power supply, send the above command
with the same code used to secure. For example:
CAL:SEC:STAT OFF, HP003632
To secure against calibration
You can secure the power supply against calibration either
from the front panel or over the remote interface. The power
supply is secured when shipped from the factory, and the
security code is set to “HP003632”.
Read the security code rules at “Calibration security” on
page 63 before attempting to secure the power supply.
Front panel operation
1 Select the calibration mode.
UNSECURED
If the power supply is unsecured, you will see the above
message for one second by holding
for five
seconds when you turn on the power supply.
2 Enter the security code.
000000 CODE
To secure the power supply, press after the CAL
MODE message is displayed in the calibration mode, enter
the security code using the knob and resolution selection
keys, and then press
.
CAL:SEC:STAT {OFF|ON},<code> Secure or unsecure
the power supply.
Calibrate
Secure
Secure