CURRENT MONITORING
INSTALLATION GUIDE
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PAGE 1 ©2009 Veris Industries USA 800.354.8556 or +1(0)503.598.4564 / suppor[email protected] 09091Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Split-Core Bi-Polar 4-20mA Output
DC Current Transducer
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Follow safe electrical work practices.
See NFPA 70E in the USA, or applicable local codes.
• This equipment must only be installed and serviced by qualified electrical personnel.
• Read, understand and follow the instructions before installing this product.
• Turn off all power supplying equipment before working on or inside the equipment.
• Use a properly rated voltage sensing device to confirm power is off.
DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION
• Only install this product on insulated conductors.
Failure to follow these instructions will result in death or serious injury.
DANGER
Wiring ExamplE
H971/971S P 971/971S P
DimEnsions
NOTICE
• This product is not intended for life or safety applications.
• Do not install this product in hazardous or classified locations.
• The installer is responsible for conformance to all applicable codes.
• Mount this product inside a suitable fire and electrical enclosure.
pulse reset
technology™
U.S. Pat. #6,160,697; 6,522,517; 7,242,157
Measurement Category III
Installer’s Specifications
Technology Exclusive Pulse Reset Technology™
Amperage Range ±200 ADC
Sensor Supply Voltage 12 to 24VDC*
Supply Current 35mA max.**
Insulation Class 600VDC
Temperature Range -30° to 60°C (-22° to 140°F)
Humidity Range 10-90% RH non-condensing
Output Bi-polar 4-20mA (adjustable span)***
Accuracy Below 100A Span ±0.5A, combined linearity, hysteresis, and repeatability****
Accuracy Above 100A Span ±0.5% full scale, combined linearity, hysteresis,
and repeatability***
Withstand Current 25,000ADC
Rated Altitude 2000m
Pollution Degree 2
* For currents over 120A, supply voltage must be at least 15V.
** At zero load current: 35mA max.; at 200A load current: 55mA to 110mA, depending on supply
voltage and current polarity.
*** Unless factory set per customer specifications.
**** For single conductor through product (no wraps).
quick install
Disconnect and lock out power to the conductor to be monitored.1.
Choose a location for the sensor. The monitored conductor must pass through 2.
the iris, and the sensor must be at least ½” from any conductors as enclosure can
reach 87°C during operation (at 60°C ambient temperature).
Install the adjustable mounting bracket to the back of the enclosure using the 3.
included screws.
Connect 12-24VDC to the terminals marked Power (+) and Gnd (-).4.
Wire the mA output connections between the sensor and the controller.5.
Snap the sensor over the conductor to be monitored and clip the assembly to the 6.
mounting bracket.
H971 only: Set the span set potentiometer to the desired amperage level (see 7.
page 2).
Removable Mounting Bracket
Self-gripping
Iris
1.0”
(25 mm)
0.8”
(21 mm)
1.1”
(26 mm)
3.1”
(79 mm)
2.8”
(70 mm)
Ø = 0.3”
(8 mm)
1.4”
(36 mm)
2.5”
(64 mm)
3.0”
(76 mm)
Bracket can be mounted
on either side for added
installation flexibility.
Power
Gnd
4-20
mA
15–24 VDC
To
Load
–
Span
+
Red/Gn:
Over Limit
Double Gn:
Over Span
Solid Red:
Overload
Single Green Blink
Errors
Normal
Operation
DIGITAL CONTROL
Gnd
4-20mA
DC
Load
SEIRT
SU
DN
I
S
I
REV
3
227
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655
8-4
5
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8
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179
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rosneS tnerruC DC
200A
Span
Current
Flow
4-20
mA
12-24 VDC
Gnd Power
Power
CONTACTOR
Use DIN Rail
Mounting clip
(Veris part
number AH01) to
mount on stan-
dard DIN rail.
(2 pages)
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