Power Metering
• Voltage:
Line - Line: VAB, VBC, VCA, VAVERAGE
Line - Neutral: VAN, VBN, VCN, VAVERAGE
• Frequency: 45.0 to 66.0 Hertz
• Current: IA, IB, IC, IAVERAGE
• Unbalance %: Voltage, Amps
• Real Power: KWA, KWB, KWC, KWNET
• Reactive Power: KVARA, KVARB, KVARC, KVARNET
• Apparent Power: KVAA, KVAB, KVAC, KVANET
• Real Energy: KWHIMPORT, KWHEXPORT, KWHNET
• Reactive Energy: KVARHIMPORT, KVARHEXPORT,
KVARHNET
• Power Factor: PFA, PFB, PFC, PFNET
Data Access
• Eight digital inputs, four relay outputs.
• Input/Output 15-character, user definable screen
display for identification of input/output signals.
Page 15
Fig. 16: ASCO Power Manager.
Configurable Designations
• Local - Afour line 20 character LCD backlit display.
• Remote - With optional Acc. 72Acommunication module
and Power Manager monitoring systems.
• Provides a user programmable setpoint based on watt
demand and can be used to control one of the four relay
outputs. Used for peak shaving applications
Integrated ATS Features
• When configured on load of ATS:
• Displays ATS position.
• Displays power data as a function of ATS position
(normal/emergency).
• Accumulates energy data separately for normal and
emergency sources.
Power Manager
Optional Configurations and
Connection Arrangements
Connected To: With Display Without Display
Load Acc. 85L Acc. 75L
Normal Acc. 85N Acc. 75N
Emergency Acc. 85M Acc. 75M
Load (BPS only) Acc. 85R* Acc. 75R*
Add suffix “A” to above designations if neutral conductor monitoring is required.
Note: Accessory 75 and 85 includes component mounting, CTs, shorting
blocks and all necessary interwiring.
* Bypass & isolation switch contacts wired to discrete Power Manager
inputs.
The ASCO Power Manager is a microprocessor based
metering device that provides real-time measurements
of single and three phase power systems. The Power
Manager uses digital signal processing technology to
measure voltage and current per phase; real, reactive
and apparent power, and bi-directional energy. All
measurements can be viewed locally with a backlit
liquid crystal display and/or displayed remotely with
ASCO PowerQuest® or SiteWeb™ products.
Direct voltage input for systems up to 600 Volts AC
can be monitored without the use of external potential
transformers (PTs). Measures three phase currents and
a fourth current input is available for measuring current
in the neutral conductor. The Power Manager includes
one discrete input for transfer switch position, eight
general purpose discrete inputs, and four relay outputs
for controlling or monitoring external devices.
Note: The ASCO Power Manager is also available as a separate unit for monitoring electrical parameters anywhere in the power distribution system.
POWER SYSTEM TOTAL
404 KW +1.00 PF
0 KVAR 60.00 Hz
404 KVA ATSºn NORM
7000 Series Optional Accessories
ASCO
ASCO