ETA Systems
A guide to Real Power Protection
Why Buy Power Protection?
• Because AC Power is the most unpredictable part of
you system design
– Without AC, you system won’t work
– Unregulated AC can subject your system to voltage bursts
(spikes and surges)
• These can damage your system or cause it to operate incorrectly
– Incoming AC voltage can vary.
• This causes your electronics to be starved from the voltage they need
to operate correctly
Why Buy Power Distribution?
Continued
• AC noise will cause irritating buzz in your system
– EMI (Electro-Mechanical Interference) is caused when another
device on the same circuit introduces noise.
• Refrigerators, Air conditioners, etc.
• The noise could even be coming from the operation of your neighbors
electronics.
– RFI (Radio Frequency Interference)
• Initial Powering up of our equipment can cause a “on rush”
of power can cause a breaker or fuse to trip or damage
your electronics.
How Do Problems Enter a System?
Normal Mode
Phase (hot) to Neutral
Should be <10 volts
Common Mode
Neutral to Ground
Should be < ½ volt
What Devices Are Used To Solve
Power Problems. Which Device
Is The Appropriate One To Use?
SIMPLE AS A-B-C
AC – The Surge Diverter/Filter
Example of surge diverter/noise filter function.
Diverters and filters convert normal mode to common mode.
Remember
Normal Mode
Phase (hot) to Neutral
Should be <10 volts
Common Mode
Neutral to Ground
Should be < ½ volt
B – Isolation Transformer
H
H
N
N/G
G
Isolation transformers eliminated common mode voltage.
Transformers provide a code legal way of bonding neutral to ground.
Balanced Power Transformer
H
60 volts
H
G
60 volts
N
G
Balanced power transformers have their ground separated from phase and neutral by
60 volts. Neutral and ground cannot be bonded and common mode voltage is not
eliminated. Balanced power transformers are primarily designed to eliminate 60 Hz.
hum. They are not intended for microprocessor based electronics.
N
ABC – ETA Power Conditioner
H
H
N
N/G
G
When used with a true isolation transformer with a neutral to ground
bond, surge diverters and noise filters can do their job without creating a
common mode disturbance. The number of surge diversion and filter
elements is also greatly reduced.
So What Does This Mean to Digital
Equipment?
• Digital Equipment is very sensitive
• Digital communication is a sequence of 1’s and 0’s
• The slightest variance could cause a Errors,
causing No Fault Found service calls
• Digital Takes a Reference Point from Ground
– If Noise is present on Ground, the reference is
corrupted and errors result.
Remember
Normal Mode
Phase (hot) to Neutral
Should be <10 volts
Common Mode
Neutral to Ground
Should be < ½ volt
An Example of Power Line Noise
Normal Mode Noise - ~ 1.5 volts
Common Mode Noise - ~ 2 volts
Remember
Normal Mode
Phase (hot) to Neutral
Should be <10 volts
Common Mode
Neutral to Ground
Should be < ½ volt
Normal Mode Noise - Power Line - ~ 1.5 volts
Power Line Noise
Reference
Common Mode Noise - Power Line - ~ 2 volts
Power Quality
Performance of a
Furman Sound PL8
Normal Mode Noise - Power Line - ~ 1.5 volts
Power Line Noise
Reference
Common Mode Noise - Power Line - ~ 2 volts
Power Quality
Performance of a
Surgex SA966
Normal Mode Noise - Power Line - ~ 1.5 volts
Power Line Noise
Reference
Common Mode Noise - Power Line - ~ 2 volts
Power Quality
Performance of an ETA
Systems PD8
Normal Mode Noise - Power Line - ~ 1.5 volts
Power Line Noise
Reference
Common Mode Noise - Power Line - ~ 2 volts
Power Quality
Performance of a
Furman Sound IT1220
Normal Mode Noise - Power Line - ~ 1.5 volts
Power Line Noise
Reference
Common Mode Noise - Power Line - ~ 2 volts
Power Quality
Performance of an ETA
Systems PCI-2000NA
Power Conditioning Products
•
•
•
•
•
•
•
•
•
PCI Series
Front panel LEDs for “power on” and “no safety ground” indications
Front panel power switch/circuit breaker (PCI-400NA and larger)
NEMA plug/receptacles on North American models
IEC320 plug/receptacles on International models
Optional wall mount plate for models up to PCI-700NA
Optional rack tray for PCI-400NA and larger
UL listed
Limited five-year warranty against defects in materials and
workmanship
Quick Model Rundown
• Small PCI-065NA
– .65 Amps
• Plenty in between
• Large PCI-2000NA
– 20 Amps
UPS…No Not the Delivery Service
• But the UPM Series Delivers Continuous Power
• Low-distortion sine wave inverter
• Front-panel LED indicators for load level, battery charge
level, voltage manager mode, on battery, low battery,
replace battery, overload, and rear panel receptacle status
• Front-panel test button
• USB and Serial Communication Interfaces
• RS232 port and optional Communications Manager
software package
• User hot swappable batteries
• Runtime full load/half load – 6 min./20 min.
UPM Series
Small UPM-420NA
280 Watts
Large UPM-1440NA
936 Watts
Don’t Forget The Legacy
Quick Rundown
Standard Series Continued
• PD8
– 8 Outlets
• PD8L
– 8 Outlets and Retractable Lights
• PD9L
– 8 Wall Wart Sized Outlets with Retractable Lights
– 1 Additional Outlet on the Front
• PD11LV
– 10 Outlets on the Back (2 Always On), 1 on the Front
– Voltage Meter
– Retractable Lights
• PD11SS
– 10 Outlets on the Back, 1 on the Front
– Four-Stage Power Sequencing
Quick Rundown
Standard Series
Basic Features
Spike and Surge Protection
EMI/RFI Filtration
15 AMP, 1800 Volt Capacity
Overload Protection
One Rack Space
Quick Rundown
Professional Series
• Basic Features
– Spike and Surge Protection
– 20 AMP, 2400 Watt Capacity
– EMI/RFI Filtration
– Overload Protection
– 10’ Power Cord
– One Rack Space
Quick Rundown
Professional Series
•
PD11P
–
•
PD11LP
–
•
Same as PD11VP with Retractable
Lights
PD11LVSP
–
•
Same As PD11P with Voltage Meter
PD11LVP
–
•
Same As PD11P with Retractable Lights
PD11VP
–
•
11 Outlets (10 on Back (2 Always On),
1 on Front)
Same as PD11VP with Four-Stage
Sequencing
PD11SP
–
9 Outlets (8 on Back, 1 on Front)
Quick Rundown
Special Application Series
•
PD66 and PD602
–
–
–
–
–
•
PD10VRS
–
–
–
–
–
•
140 AMP Total
Eight 20 AMP outlets
Six Circuit Breaker Switches
Two 30 AMP Hardwire Terminal Blocks
Single or Three Phase Power Up
10 Outlets (2 Always On)
Regulates Voltage to 117 Volts
Voltage Meter
Four Stage Sequencing
15 AMP, 1800 Volt Capacity
PD420VS
–
–
–
–
–
–
Three Stage Power Sequencing
Voltage Meter
Unlimited Linking of Multiple Units
Four 20 AMP Circuits with Front Panel Resets
80 AMP, 9600 Watt Capacity
Volt Meter
ETA
Professional Power Protection
REAL Power Protection!
Questions ?