Chromalox CN2110 User Manual

User’s Guide

Chromalox

Load

Alarm

Temp

Set

Point

Set Point

2110

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°F

°C

omega.com

®

www.omega.com

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CN2110

Rev. 8-03

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CN 2110

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apply. OMEGA is constantly pursuing certification of its products to the European New Approach
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

CN 2110 Temperature Controller

Table of Contents

Manual Sections

Illustrations

1–Quick Setup ................................................................................................... 1

2–Introduction ................................................................................................... 2

3–Installation and Wiring .................................................................................. 4

4–Adjusting Setpoint and Configuration ......................................................... 12

5–Controller and Alarm Operation .................................................................. 16

6–Replacing Output Modules .......................................................................... 17

7–Calibration ................................................................................................... 19

8–Specifications .............................................................................................. 21

9–Troubleshooting ........................................................................................... 22

10–Omega Warranty and Return ..................................................................... 24

1.1 Dip Switch Settings .................................................................................. 1

1.2 Establishing the Set Point ......................................................................... 1

1.3 Adjusting the Set Point ............................................................................. 1

2.1 Front Panel Identification ......................................................................... 2

2.2 Typical Application .................................................................................. 3

2.3 Model Identification ................................................................................. 3

3.1 Default Dip Switch Settings ..................................................................... 4

3.2 Removing Mounting Collars .................................................................... 5

3.3 Mounting Dimensions .............................................................................. 6

3.4 Mounting the CN 2110 ............................................................................. 6

3.5 Wiring Terminal Identification ................................................................. 7

3.6 Thermocouple Connections with Shield .................................................. 8

3.7 Three-Wire RTD Connections with Shield............................................... 9

3.8 Two-Wire RTD Connections .................................................................... 9

3.9 Control Output Wiring–R1 and TI.......................................................... 10

3.10 Control Output Wiring–R20 ................................................................... 10

3.11 Control Output Wiring–DC .................................................................... 10

3.12 Control Output Wiring–T5 and T10 ....................................................... 11

3.13 90-260 VAC Instrument Power Connections ......................................... 11

3.14 Alarm Connections ................................................................................. 11

4.1 Establishing the Set Point ....................................................................... 12

4.2 Adjusting the Set Point ........................................................................... 12

4.3 Configuring CN 2110 ............................................................................. 13

4.4 Configuring CN 2110 ............................................................................. 13

4.5 Configuring CN 2110 ............................................................................. 13

4.6 Configuring CN 2110 ............................................................................. 13

4.7 Configuring CN 2110 ............................................................................. 13

4.8 Configuring CN 2110 ............................................................................. 13

6.1 Replacing Output Module ...................................................................... 18

iii

CN 2110

Omega

CN 2110

CN 2110 Temperature Controller

Load

Alarm

°F

°C

Temp

Set

Point

Set Point

Chromalox

®

2110

Section 1—Quick Setup

After the controller is properly wired into the system, the user only
needs to verify the sensor input and control type and adjust the set point.

Setting the Sensor and Control Mode

Adjust the dip switches located on the bottom of the unit as shown in
Figure 1.1. The factory settings are J, TC, °F, and PI. It is simpler to
adjust the dip switch prior to mounting the CN 2110.

RTD

ONOF

J

˚C

K
TC
˚F
PI

K

J

TC

RTD

˚F

˚C

PI

ONOF

Figure 1.1
Dip Switch Settings

Adjusting the Set Point

. Apply power to the unit.

1

2. To adjust the set point on the CN 2110 Temperature Controller, press
and hold the Set Point button (see Figure 1.2). The Set Point light is
illuminated.

3. While still pressing the

Set P

oint button, press either the or button
to adjust the set point to the desired value (see Figure 1.3). Holding
the

or button increases the speed of the set point changes.

Chromalox

®

Load

Alarm

Temp

Set

Point

2110

°F

°C

Set Point

Figure 1.2
Establishing the Set Point

Section 1–Quick Setup

The Controller is now operational with factory settings. For more
precise control, set up of the alarm, etc., see Section 4 – Adjusting Set

Point and Configuration.

1

Figure 1.3
Adjusting the Set Point

CN 2110

Omega

Section 2—Introduction

Description

The CN 2110 Temperature controller offers simple setup, flexibility and
control features in an attractive, compact design. The CN 2110 is housed
in a rugged, plastic 1/4 DIN package that only requires four inches
behind the mounting surface. Straightforward operation and easy-to-use
control features are major strengths of the CN 2110 controller.

Easy Three-Step Setup: The CN 2110 delivers exceptional process

temperature control. Your process is up and running after three easy setup
steps: 1) Select the sensor and control type, 2) Hook up the system and

3) Select the desired temperature.

NEMA 4X Front Panel

Construction for
hosedown applications

Output LEDs

Indicates control load
ON and alarm status

Temp and Set Point LEDs

Indicates actual or set point
temperature is displayed

Set Point Button

• In Operation Mode,
adjusts Set Point

• In Configuration Mode
with the
serves as “Menu” button

or button,

Display
(4 Green, 7-Segment LEDs)

Actual process temperature displayed

®

Chromalox

Load

Alarm

Set

Point

Temp

Set Point

2110

°F

°C

Green LEDs

Indicates °F or °C selected
for temperature display

• In Operation Mode,
pushbuttons adjust Set Point.

• In Setup Mode, pushbuttons
increase/decrease MENU
values.

CN 2110

Inspection and

Unpacking

Figure 2.1
Front Panel Identification

Your CN 2110 controller should arrive in good condition. Upon arrival,
inspect the packaging for any visible damage.

Unpack the controller and carefully inspect for product damage that may
have occurred during shipment. If the package or contents have been
damaged in shipping, you must file a claim with the delivery service.
The delivery service will not accept a claim from the shipper.

If not immediately installing the controller, store in a cool, dry environ­ment in its original protective packaging. Temperature extremes and
excessive moisture can damage the instrument.

2

Section 2–Introduction

CN 2110 Temperature Controller

Typical Application

Model Identification

Figure 2.2 shows the CN 2110 in a typical application.

Chromalox

Alarm

Figure 2.2
Typical Application

®

Load

Temp

Set

Point

Set Point

2110

°F

°C

Output

Alarm
Output

Input

Heater

Sensor

Process

Before installation, please identify your controller model number. The
model number appears on a label on the side of the housing.

Section 2–Introduction

3

CN 2110

Omega

Section 3—Installation and Wiring

Sensor and Control

Type Selection

Switches

Set the CN 2110 controller’s configuration via mechanical dip switches,
located on the bottom of the unit. Factory settings are J, TC, °F, and PI
Control. Switches are easier to set before mounting.

To change the switch settings, first disconnect all wiring and power
from the unit. Adjust switch settings as follows:

Setting Factory

Switch Function Options Setting

A Thermocouple J or K J
B Input Type TC or RTD TC
C Temperature Units °F or °C °F
D Control Type ON-OFF or PI PI

If input type is thermocouple, switch A selects either thermocouple type
J or K.

Switch B selects input type thermocouple or RTD (resistance tempera­ture detector). Note: If RTD is selected, switch A is ignored.

Switch C selects temperature units

°F or °C.

Switch D selects either PI (Proportional-Integral) or ON-OFF control.

CN 2110

J

RTD

˚C

ONOF

K
TC
˚F
PI

Figure 3.1
Default Dip Switch Settings

4

K

J

TC

RTD

˚F

˚C

PI

ONOF

Section 3–Installation and Wiring

CN 2110 Temperature Controller

Mounting

Two mounting collars securely hold the CN 2110 controller in the
mounting hole. Remove these mounting collars before installation.

Removing Mounting Collars

1. To remove the rear collar, press the sides of the collar. This releases
holding tabs on the top and bottom of the collar.

2. Slide the collar off the back of the unit.

3. Slide the front collar off the back of the unit

Press In

Front Collar

Rear Collar

Press In

Holding
Tabs

Section 3–Installation and Wiring

Figure 3.2
Removing Mounting Collars

5

continued

CN 2110

Omega

Mounting

continued

Mount the CN 2110

1. Cut out a 1/4 DIN, 3.6-inch (92mm) square hole in the mounting
panel.

2. Insert the unit into the mounting hole as shown in Figure 3.4.

3. Slide the front mounting collar onto the back of the controller.

4. Slide the rear mounting collar onto the back of the controller until the
holding tabs securely engage with the holding tab slots in the control­ler housing (see Figure 3.4).

5. Tighten the four rear collar mounting screws until the unit is held
firmly in the panel.

CAUTION: Do not overtighten.

The controller will now be held firmly in place.

Panel

Cutout

3.6

(92)

®

4.0

(101.6)

Chromalox

Load

Alarm

Set

Point

Temp

(101.6)

4.0

Set Point

2110

°F

°C

Figure 3.3
Mounting Dimensions

0.4

(10)

3.6

(92)

4.0

(102)

0.5

(12.7)

3.55
(90)

3.6

(92)

CN 2110

Figure 3.4
Mounting the 2110

6

Holding
Tabs Slots

Holding
Tabs

Front Collar

Rear Collar

Rear Collar
Mounting
Screw

Section 3–Installation and Wiring