M9B-HFS INTERFACE
ABOUT THIS MANUAL
Release 1.0 (97/10)
i
ABOUT THIS MANUAL
This technical manual is for the M9B-HFS Interface, a microprocessor-controlled option card for all models of
1200 Watt and 2800 Watt DC output power supplies. This manual provides you with specifications, user
options, and configuration instructions for the interface, along with a command set which will enable you to
control your power supply from a computer console. Error messages, calibration procedures, schematics, and
parts lists are also included.
This manual is designed for the user who is familiar with basic electrical laws especially as they apply to the
operation of power supplies. This implies a recognition of Constant Voltage and Constant Current operation
modes and the control of input and output power, as well as the observance of safe techniques while effecting
supply or pin connections and any changes in switch settings. The user should also have experience with a
computer-based communications software package.
Refer to the 1200 Watt and 2800 Watt DC power supply technical manual for installation, configuration, and
operating procedures for the power supply.
The six major sections in this manual are:
Section 1. Features
Describes the interface and lists its features.
Section 2. Inspection and
Details the inspection of the interface card and basic setup
Configuration
procedures.
Section 3. M9B-HFS Operation
Lists the complete command set, status registers, and error codes.
Section 4. Calibration
Provides procedures for voltage and current mode calibration as
well as Over Voltage Protection (OVP) calibration.
Section 5. Maintenance
Covers troubleshooting and lists replacement parts.
Appendix A: Specifications
Contains specifications on the 2800 Watt and 1200 Watt DC output
power supply with M9B-HFS interface installed
.
Appendix B: Schematics
Contains M9B-HFS interface printed circuit board schematic.
Manual Revisions
The current release of this manual is listed below. Insert pages will update already printed manuals. Reprinted
manuals may note any minor corrections and additions on the Manual Changes list (page ii). A new release of
the manual is identified by a new release number and printing date and will include all of the additional or
corrected information since the last release.
Release 1.0 (97/10/14)
Warnings, Cautions, and Notes
Warnings, cautions, and notes are defined and formatted as presented below.
Note:
Describes additional operating information which may affect the performance of the equipment.
WARNING
Describes a potential hazard which could result in injury or death, or a
procedure which, if not performed correctly, could result in injury or death.
CAUTION
Describes a procedure which, if not performed correctly, could result in damage
to data, equipment, or systems.