Specifications

I.B. ATS-I005
Page 2
Effective 6/00
An automatic transfer switch consists of three basic ele-
ments:
1. Main contacts to connect and disconnect the load to
and from the source of power
2. A transfer mechanism to affect the transfer of the
main contacts from source to source
3. Intelligence/supervisory circuits to constantly monitor
the condition of the power sources and thus provide
the intelligence necessary for the switch and related
circuit operation
This manual deals with the third basic element of the
automatic transfer switch, the required intelligence/ super-
visory circuits. Prior to the introduction of IQ Transfer, this
function was performed by a door mounted logic panel.
The logic panel could be the relay logic type or the solid
state logic type. In either case, the panel consisted of a
number of individually mounted and wired devices offer-
ing a limited amount of system flexibility, especially in the
case of the relay logic design. IQ Transfer brings intelli-
gence, supervisory and programming capabilities, never
before available, to automatic transfer switch equipment.
1.3 PRODUCT OVERVIEW
The IQ Transfer is a comprehensive, multi-function,
micro-processor based automatic transfer switch con-
troller. It is a compact, self-contained, panel mounted
device designed to replace traditional relay and solid
state logic panels (Figures 2-1 and 2-2).
Designed to meet the needs of markets worldwide, IQ
Transfer:
• Is a UL Recognized Component
• Meets Seismic Requirements of Uniform and
California Building Codes (exceeding requirements of
worst case Zone 4 levels)
• Meets Intent of UL 991
• Meets IEC 801-2, 3, 4 and 5
• Meets CISPR 11
• Complies with FCC Part 15, Subpart B, Class A
IQ Transfer provides an unmatched degree of pro-
grammed flexibility to address the needs of any system.
It operates from most system voltages available world-
wide at 50 or 60 Hertz. In addition, a period of no control
power operation is provided. IQ Transfer monitors the
condition of the 3-phase line-to-line voltage and frequen-
cy of both the Normal and Emergency sources. It can
also be programmed for single phase operation. IQ
Transfer provides the necessary intelligence to insure
that the switch operates properly through a series of pro-
grammed sensing and timing functions.
A standard IQ Transfer will:
• Monitor Normal and Emergency source voltages and
frequencies
• Provide undervoltage monitoring of Normal and
Emergency sources
• Permit customer programming
• Display real time and historical information
• Permit system testing
• Offer Help Screen assistance
• Store customer/factory established parameters in non-
volatile memory
• Communicate using a PONI
• Provide faceplate source/load status indications
A wide array of additional features are available to
address the most sophisticated system requirements,
such as:
• Previously unavailable Load Monitoring and Delayed
Transition
• In-phase Transition
1.4 FUNCTIONS/FEATURES/OPTIONS
The primary function of IQ Transfer is to accurately moni-
tor power sources and provide the necessary intelligence
to operate a transfer switch in an appropriate and timely
manner. In addition, IQ Transfer provides useful present
and historical data, reliable two-way communications,
and programming through the device’s faceplate or com-
munications option. IQ Transfer features the proprietary
Sure Chip microprocessor technology to provide and
maintain superior precision and versatility during both
programming and data access.
1.4.1 OPERATIONAL SIMPLICITY
From installation to programming to usage, IQ Transfer
was designed with operational simplicity in mind. Only
one style needs to be considered, regardless of
input/output requirements or system voltages and fre-
quencies. IQ Transfer provides the functionality of
numerous other devices combined in one package that
mounts in less than 7 by 11 inches of panel space.
The user friendly front panel interface simplifies routine
operation, programming, data presentation and setting
adjustments. An LED based display provides the flexibility
of large character displays for enhanced visibility. The
operation of front panel membrane pushbuttons moves