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Power Circuit Breakers Type DSII and
SPB with OPTIM Trip Units
Electronic Trip Units
216
Digitrip OPTIMizer
Hand-Held Programmer
The OPTIMizer plugs into the front of
the trip unit and is powered by a nine
volt battery. The Digitrip OPTIMizer
hand held programmer accesses, dis-
plays, and configures information
from OPTIM Trip Units.
Breaker Interface Module
Panel Mounted User Interface
The Breaker Interface Module can be
mounted directly on the assembly or
at a remote location and can be used
to access, configure, and display infor-
mation from OPTIM Trip Units.
IMPACC Communications
Programming and Other Capabilities from a
Personal Computer
All OPTIM programming, configura-
tion, advance warning, diagnostic,
monitoring, and control capabilities
can be accessed from a central person-
al computer using IMPACC Series III
software.
Other software packages are available,
including a Trip Curve Package that dis-
plays, configures, and coordinates
time-current protection curves for OP-
TIM Trip Units and other devices that
can be included on an IMPACC System.
Custom Billing Software, a stand alone
application specific software package,
provides the capabilities to determine
energy usage data by individual depart-
ments or tenants in a facility...and then
creates "electric bills" based on this data.
Waveform and harmonic display soft-
ware is capable of performing a wave-
form capture of phase currents A, B, C
as well as neutral or ground. In addi-
tion, total harmonic distortion (THD)
and individual harmonic contents can
be displayed.
Programming and Monitoring
Stand Alone
Digitrip OPTIM 750 and 1050 electronic trip
units are programmable by the use of a Hand
held programmer called a Digitrip OPTIMiz-
er. The Digitrip OPTIMizer accesses, displays
and configures trip settings and information.
The portable programmer plugs into the
front of the trip unit and is powered by a nine
volt battery. A telephone type cord stretches
up to eight feet away from the breaker.
Sub-Network
Digitrip OPTIM 750 and 1050 electronic
trip units can also be connected as part of a
sub-network system to a panel mounted user
interface device called a Breaker Interface
Module (BIM). A Breaker Interface Module
accesses, configures, and displays OPTIM
trip unit information and for Digitrip RMS 810
and 910 trip units and Energy Sentinels. The
BIM communicates with up to 50 devices.
The BIM, like the AEMII, is normally mounted
on the front of an electrical assembly.
Field Bus System
Digitrip OPTIM 750 and 1050 electronic trip
units can be connected into a field bus sys-
tem which is called IMPACC. All control,
monitoring and configuration of the trip units
can be carried out from a central personal
computer. See page 641 of this catalog for
more information on IMPACC.
Field Testing
System maintenance is an extremely impor-
tant part of any distribution system and the
capability to test electronic trip units is an es-
sential requirement.
Digitrip OPTIM 750 and 1050 electronic trip
units have an integral test capability and do
not require a special external test set. Both
phase and ground, trip and no trip, testing
can be carried out with the breaker in the
connected cell position using an OPTIMizer,
a BIM or IMPACC.
An Auxiliary Power Module can be provided
for bench testing Digitrip OPTIM 750 and
1050 electronic trip units, or when the
breaker is disconnected from the cell. The
Auxiliary Power Module operates from a
120 Vac supply and provides control power
to test the trip unit.
Typical Specifications
March 1996
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