BE1-951
Introduction
i
W A R N I N G !
TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE, ONLY
QUALIFIED PERSONNEL SHOULD PERFORM THE PROCEDURES
PRESENTED IN THIS MANUAL.
INTRODUCTION
This instruction manual provides information about the operation and installation of the BE1-951 Overcurrent
Protection System. A summary of the information provided is listed below.
General information, specifications, and a
Quick Start guide.
Functional description and setting parameters for the inputs and outputs, protection and control
functions, metering functions, and reporting and alarm functions.
BESTlogic programmable logic design and programming.
Documentation of the preprogrammed logic schemes and application tips.
Description of security and the user interface setup including ASCII communication and the Human-
Machine Interface (HMI).
Installation procedures, dimension drawings, and connection diagrams.
Description of the front panel HMI and ASCII command interface with write access security
procedures.
A summary of setting, metering, reporting, control, and miscellaneous commands.
Testing and maintenance procedures.
Appendices containing characteristic curves, an ASCII command–HMI cross reference, relay
settings record forms, terminal emulation guidelines, and an index.
