Veris Hawkeye 923 User manual

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CURRENT MONITORING INSTALLATION GUIDE
Z202365-0G PAGE 1 ©2009 Veris Industries USA 800.354.8556 or 503.598.4564 / suppor[email protected] 05092
Alta 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 Current Transducer,
0-10VDC Output
Installer’s Specifications
Amperage Range 0-20/100/150A (slide-switch selectable)
Sensor Power Induced from monitored current
Insulation Class 300VAC RMS
Frequency Range 50/60Hz
Temperature Range -15° to 60°C (5° to 140°F)
Humidity Range 10 - 90% RH, non-condensing
Accuracy ±2% full scale from 10% to 100% (selected range)
Response Time 2 sec.
Terminal Block Maximum Wire Size 14 AWG
Terminal Block Torque (nominal) 4 in-lbs (0.45 N-m)
Agency Approvals CE: EN61010-1:2001-2, CAT III, deg. 2, basic insulation
For applications requiring double or reinforced insulation, please contact the factory
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Wiring ExamplE
H923 923
DimEnsions
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Fan or Pump
CONTROLLER
0-10VDC
COMMON –
+
AI
CONTACTOR
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.
Use DIN Rail
Mounting clip
(Veris part
number AH01) to
mount on stan-
dard DIN rail.
quick install
Disconnect and lock out power to the conductor to be monitored.1.
Plan the installation:2.
Locate a mounting surface for the removable mounting bracket that will allow
the monitored conductor to pass through the iris, or “window” when it is installed
and keep the product at least ½” (13mm) from any uninsulated conductors (CE).
Determine cable routing for the controller connection, allowing wiring to reach
the mounting location.
Install mounting bracket3.
Drill holes to mount the bracket to the chosen surface using the included screws.
Set the desired amperage range (20, 100, or 150 Amps).4.
Wire the output connections between the sensor and the controller (0-10VDC).5.
Snap thesensor over the wire to be monitored and clip the assembly to the6.
mounting bracket.
Scale the controller software to match the sensor output.7.
Close up and power up.8.

6%2)3).$5342)%3
INSTALLATION GUIDE
H923
Z202365-0G PAGE 2 ©2009 Veris Industries USA 800.354.8556 or 503.598.4564 / suppor[email protected] 05092
Alta 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.
opEration
The H923 is a current transducer which senses current (amperage) in any of three
field-selectable ranges; 0-to-20, 0-to-100, or 0-to-150 amperes. These ranges
represent the maximum current which can be applied to the monitored conductor.
The H923 transforms the monitored current into a zero-to-ten volt DC output
suitable for connection to building controllers or other appropriate data acquisition
equipment. The H923 requires no external power supply to generate its output.
The H923 housing offers unprecedented mounting flexibility. The mounting bracket
can be attached in three different places. Additionally, the bracket is compatible with
the Veris AH01 DIN Rail clip, allowing DIN mounting.
notEs
For load currents less than sensor minimum rating:
Wrap the monitored conductor through the center hole and around the sensor body
to produce multiple turns through the "window." This increases the current measured
by the transducer.
4x
1A
DANGER: 5A CTs can present hazardous voltages.
Install CTs in accordance with manufacturer's instructions.
Terminate the CT secondary before applying current.
H68xx-5A CT
240A
300A:5A
4A
> 150A (Sensor max.)
For load currents greater than sensor maximum rating:
Use a 5 Amp (H68xx series) Current Transformer (CT) as shown.
CAUTION
RISK OF EQUIPMENT DAMAGE
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Controller must be
programmed to account for the
extra turns. e.g., if four turns
pass through the sensor (as
shown) the normal controller
reading must be divided by 4.
< 1.5 A (Sensor Min.)
scaling
Set range switch.1.
Scale controller2.
software to match
selected output.
20
100
150
Amperage Range
Selector Switch
20
100
150
SENSOR OUTPUT
Selected Range
0V
0A
10V
SENSED AMPS
troublEshooting
Problem Solution
No Reading at Controller • Check polarity of sensor output connections
• Check for output voltage at sensor
• Check for amperage in monitored conductor
• Assure that sensor core mating surfaces are clean and
that the core clamp is completely closed
DDC
CONTROLLER
AI
COMM
0-10VDC Input+
–
Self-Powered Output
20
100
150
OUTPUT
0-10VDC
Wiring