CI Series QuickStart Guide
12 - 24 VDC Red (+)
1
2
3
4
5 (Shield)
LABEL IS ON POWER
SUPPLY WIRES ONLY
Wire Numbers
(Refer to the chart)
Compact Infrared Sensor
Use this QuickStart Guide for quick and easy mechanical
installation, electrical wiring, and operation of the CI Series sensor.
Mechanical Installation
The CI Series sensors consist of the following components:
■ C1 sensor
■ 2 mounting nuts
■ 1m (3ft) cable
Mounting Preparation
The CI sensor must be securely mounted to a vibration-free,
mechanically stable support, away from motors producing large
step-load changes.
To prepare for sensor mounting:
■ Select a mounting location that ensures the spot size is
the same or smaller than the target.
■ Cut a 19mm (.75in) hole in the panel.
■ Determine if you need Raytek® air purge or air/water
cooing accessories.
When operating the CI sensor in ambient temperatures
exceeding 70˚C (160˚F), water cooling is required.
■ If needed, attach accessories to the sensor.
■ Have a 12-24 VDC 10mA power supply available.
Mounting the Sensor
To mount the sensor:
■ Screw 1 nut onto the sensor until it is more than halfway from
the lens.
■ Insert the sensor into the panel hole and screw on the 2nd nut.
■ Aim sensor and tighten both nuts until sensor is secure.
Electrical Installation
There are three types of CI sensors. Each sensor (J Thermocouple,
K Thermocouple, or the 10mV/˚C Voltage) has a different wire color
system. Use one of the following charts specific to your sensor as
a wiring guide.
INCORRECT WIRING WILL CAUSE SEVERE AND
Wiring
There is a 4-wire, PVC
cable attached to the
sensor. The cable holds
two pairs of wires and a
bare shield (ground) wire.
WARNING
PERMANENT DAMAGE TO THE SENSOR
USE CHART SPECIFIC TO YOUR SENSOR FOR
STANDARD OR HIGH TEMPERATURE CABLE WIRING
J-TYPE THERMOCOUPLE
Standard Wiring
Wire
Label Number Function Wire Color
Output 1 Signal + (Iron) White
2 Signal – (Constantan)
Red (White Stripe)
Power 3 Power Supply + Red (Yellow Stripe)
Supply 4 Power Supply – Yellow
– 5 Shield Ground Bare
HigH tEMPEratUrE CaBLE Wiring
Output 1 Signal + (Iron) White
2 Signal – (Constantan)
Red (White Stripe)
Power 3 Power Supply + Red
Supply 4 Power Supply – Yellow
– 5 Shield Ground Bare
K-TYPE THERMOCOUPLE
Standard Wiring
Wire
Label Number Function Wire Color
Output 1 Signal + (Chromel) Yellow
2 Signal – (Alumel)
Red (Yellow Stripe)
Power 3 Power Supply + Red (White Stripe)
Supply 4 Power Supply – White
– 5 Shield Ground Bare
HIGH TEMPERATURE CABLE WIRING
Output 1 Signal + (Chromel) Yellow
2 Signal – (Alumel)
Red
Power 3 Power Supply + Red (White Stripe)
Supply 4 Power Supply – White
– 5 Shield Ground Bare
10mV/˚C VOLTAGE
Standard Wiring
Wire
Label Number Function Wire Color
Output 1 Signal + White
2 Signal –
Power 3 Power Supply + Red
Supply 4 Power Supply – Black
– 5 Shield Ground Bare
HIGH TEMPERATURE CABLE WIRING
Output 1 Signal + Red
2 Signal –
Power 3 Power Supply + Red (White Stripe)
Supply 4 Power Supply – White
– 5 Shield Ground Bare
Green
Yellow
Operation
Troubleshooting
To operate the system, follow the steps below.
■ Turn on power supply.
■ Turn on the meter, chart recorder, or controller.
■ Read or monitor the temperature.
Warning
When using the air/water-cooled housing in a
heated environment run coolant continuously.
Damage to the sensor and to the housing can
occur if coolant is turned off.
Maintenance
It is important to keep the sensor lens clean at all times to
ensure correct temperature measurement. If not using the air
purge accessory, blow off loose particles with clean
compressed air, then carefully wipe the surface with a
moist cotton swab (water or water-based glass cleaner).
DO NOT use solvents.
CI sensor lens
If your sensor is not performing as it should, use the table
below to match the symptom to the probable cause and solution.
Symptom Probable Cause Solution
No Output No power to sensor Check power supply
Erroneous Temp Incorrect wire Check wire color
connection codes and reconnect
Erroneous Temp Faulty sensor cable Verify cable continuity
Erroneous Temp Field of view Remove obstruction
obstruction
Support
Our customer service representatives are always available to
provide application assistance, calibration, repair, and solutions
to specific questions or problems. Contact the Raytek Service
Department before returning any equipment. In many cases,
problems can be solved over the telephone.
For technical information refer to the CI Operator’s Manual.
WARNING
INCORRECT WIRING WILL CAUSE SEVERE AND
PERMANENT DAMAGE TO THE SENSOR.
Use the correct wiring chart to wire your sensor for
standard or high temperature cable wiring
The Worldwide Leader in Noncontact Temperature Measurement
Raytek Corporation
Worldwide Headquarters
Santa Cruz, CA USA
Tel: 1 800 227 8074 (USA and Canada, only)
1 831 458 3900
solutions@raytek.com
European Headquarters
Berlin, Germany
Tel: 49 30 4 78 00 80
raytek@raytek.de
China Headquarters
Beijing, China
Tel: 8610 6438 4691
info@raytek.com.cn
To find a Raytek office near you, please visit www.raytek.com
Worldwide Service
Raytek offers services, including repair and calibration.
For more information, contact your local office or e-mail support@raytek.com
www.raytek.com
© Raytek Corporation (3253679 Rev C1) 03/2011
Raytek and the Raytek logo are registered trademarks of Raytek Corporation.
Specifications subject to change without notice.
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