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Chromalox CN2110 - page 1
Load Alarm Set P oint T emp 2110 ° F ° C Set P oint Chromalo x CN 2 110 User ’ s Guide omega.com ® ® Shop online at www .omega.com e-mail: info@omega.com 0037 -7 5 42 9 Rev . 8-03 ...
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Chromalox CN2110 - page 2
CN 2 110 Omega Servicing Nor th America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canad ...
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Chromalox CN2110 - page 3
C N 211 0 T emper atur e Contr oller CN 2 110 T able of Contents 1–Quick Setup ................................................................................................... 1 2–Introduction ................................................................................................... 2 3–Installation and W iring ................... ...
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Chromalox CN2110 - page 4
CN 2 110 Omega ...
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Chromalox CN2110 - page 5
C N 211 0 T emper atur e Contr oller CN 2 110 1 Section 1—Quick Setup 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 Contr ol Mode Adjust the dip switches located on the bottom of the unit as shown in F ...
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Chromalox CN2110 - page 6
CN 2 110 Omega 2 Section 2–Introduction Inspection and Unpacking Y our CN 21 10 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 ...
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Chromalox CN2110 - page 7
C N 211 0 T emper atur e Contr oller CN 2 110 Model Identification Before installation, please identify your controller model number . The model number appears on a label on the side of the housing. 3 T ypic al Applic ation Figure 2.2 T ypical Application Figure 2.2 shows the CN 21 10 in a typical application. Load Alarm ° F ° C Temp Set Point Se ...
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Chromalox CN2110 - page 8
CN 2 110 Omega 4 Section 3–Installation and Wiring Section 3—Installation and W iring Sensor and Control T ype Selection S witches Set the CN 21 10 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. T o chan ...
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Chromalox CN2110 - page 9
C N 211 0 T emper atur e Contr oller CN 2 110 5 Mounting T wo mounting collars securely hold the CN 21 10 controller in the mounting hole. Remove these mounting collars before installation. Removing Mounting Collars 1. T o remove the rear collar , press the sides of the collar . This releases holding tabs on the top and bottom of the collar . 2. Sl ...
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Chromalox CN2110 - page 10
CN 2 110 Omega 6 Section 3–Installation and Wiring Figure 3.3 Mounting Dimensions Figure 3.4 Mounting the 2110 Mount the C N 211 0 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 ...
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Chromalox CN2110 - page 11
C N 211 0 T emper atur e Contr oller CN 2 110 7 Good W iring P ractices Separate wir e into bundles —When planning the system wiring, separate wiring into functionally similar bundles, e.g. • Power leads • Sensor leads (if power leads must cross sensor leads, they should cross at a 90 ° angle) • Output signal lines Separate sour ces of ele ...
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Chromalox CN2110 - page 12
CN 2 110 Omega 8 Section 3–Installation and Wiring Sensor Input W iring Sensor Wiring Notes For safety and best controller performance, • Sensor leads (thermocouple and R TD) should not be run in the same conduit as power wiring. • T wisted pair , shielded wire is recommended for sensor connections. • False temper ature r eadings can occur ...
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Chromalox CN2110 - page 13
C N 211 0 T emper atur e Contr oller CN 2 110 Thr ee-Wire RTD Inputs IMPORT ANT : When making the three-wire R TD input connection, make the resistance of all three extension leadwires equal by using the same gauge and same length of wire for optimum accuracy . A three-wire R TD will generally have two wires of the same color . Connect the same col ...
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Chromalox CN2110 - page 14
CN 2 110 Omega Contr ol Output W iring Figure 3.9 Control Output W iring–R1 and T1 Figure 3.1 0 Control Output W iring–R20 Figure 3.11 Control Output W iring–D C The following figures show the proper control output wiring for the various CN 21 10 configurations. 10 R1 (1 Amp Relay) and T1 (1 Amp, Solid State Relay) Output W iring When driving ...
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Chromalox CN2110 - page 15
C N 211 0 T emper atur e Contr oller CN 2 110 Figure 3.12 Control Output W iring–T5 and T10 T5 (Solid State Relay , 5 Amps) and T1 0 (Solid State Relay , 1 0 Amps) Output W iring Note: CN 21 10 model T10 has a fan. CN 21 10 model T5 does not have a fan. 11 NC NO COM Fuse Load 120/240 VA C Neutral Instrument Po wer W iring Make 120 or 240 V AC ins ...
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Chromalox CN2110 - page 16
CN 2 110 Omega T o access the user configuration menus, 1. Press and hold the and buttons. After three seconds the display will begin to toggle between the current security code and LocH (LOCK). The T emp and Set Point LEDs will turn on. See Figure 4.3. 2. Press the or button to adjust the value to the appropriate security number (see S ecurity Cod ...
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Chromalox CN2110 - page 17
C N 211 0 T emper atur e Contr oller CN 2 110 13 Section 4–Adjusting Set Point and Configuration Load Alarm ¡ F ¡ C Temp Set Point Set Point Chromalox ¤ 21 10 Load Alarm ¡ F ¡ C Temp Set Point Set Point Chromalox ¤ 21 10 Load Alarm ° F ° C Tem p Set Point Set Point Chromalox ® 2110 Figure 4.3 Figure 4.5 Figure 4.6 Figure 4.4 Figure 4.7 4 ...
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Chromalox CN2110 - page 18
CN 2 110 Omega Security Codes and L ev els T o limit access to the user configuration interface, security codes are assigned to different menu levels. Make security codes available to operators, maintenance crew , supervisors, etc. according to what func- tion level you want for each group. Security Level C is not recom- mended for most users. Gain ...
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Chromalox CN2110 - page 19
C N 211 0 T emper atur e Contr oller CN 2 110 On/Off Dead Band The range above/below set point in which no control action takes place. Determines at what temperature the output switches ON and O FF . For a 5 ° F dead band, 2.5 ° F is above and below the set point. This menu is active when the dip switch is set to “ON OF” . Alarm T ype Select ...
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Chromalox CN2110 - page 20
CN 2 110 Omega Contr ol Oper ation The CN 21 10 is shipped from the factory with PI (proportional/integral) control. Proportional control actually determines the percent of heat needed to control the process. The factory setting for the Proportional Band is 25 ° F and the Automatic Reset (Integral) is set at 0.1 repeats/ minute. These settings wil ...
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Chromalox CN2110 - page 21
C N 211 0 T emper atur e Contr oller CN 2 110 W AR N I N G: Remove pow er from the contr oller before changing the output module. Failur e to do so could cause damage to controller and/or personal injury or death fr om electrical shock. When handling output modules, be careful to guard the module against static dischar ge. Follow the steps below to ...
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Chromalox CN2110 - page 22
CN 2 110 Omega Module Installation continued 18 Section 6–Replacing Output Modules ! Figure 6.1 Replacing Output Module Housing Clip Back Cover Controller Pin Module 3. Remove the back cover by lifting four housing clips on the controller . This releases the back cover . Then pull cover straight of f the controller . 4. Gently pry around the side ...
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Chromalox CN2110 - page 23
C N 211 0 T emper atur e Contr oller CN 2 110 Section 7—Calibr ation Calibration offset of fsets the displayed value. Usually , this option is used to match displays of two different instruments that are measuring the same temperature, but are displaying dif ferent temperatures due to different thermocouple accuracy or placement of the thermocoup ...
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Chromalox CN2110 - page 24
CN 2 110 Omega F actory Calibr ation Reco v ery This procedure allows you to return the controller to its factory calibra- tion settings in the event it is severely out of calibration due to poor technique or unauthorized calibration. 1. Disconnect load power . 2. Cycle the sensor selection switch twice from its original position (TC or R TD) to th ...
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Chromalox CN2110 - page 25
C N 211 0 T emper atur e Contr oller CN 2 110 Section 8—Specific ations Control Modes ..................................... ON/OFF; PI — Proportional with integral Control Adjustments Proportional Band .......................... 1 to sensor span maximum Automatic Reset ............................ 0.0 to 100.0 repeats/minute Cycle T ime ....... ...
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Chromalox CN2110 - page 26
CN 2 110 Omega Section 9—T r oubleshooting The following T roubleshooting Guide offers simple solutions to com- mon problems and explains the CN 21 10 ’ s Error Messages. Review this section for a possible solution to your problem before contacting Omega. Note: For each symptom, perform correction steps in the order listed. Power applied, displ ...
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Chromalox CN2110 - page 27
C N 211 0 T emper atur e Contr oller CN 2 110 23 Section 9–T roubleshooting Symptom Pr obable Cause Corr ection Steps T roubleshooting continued Process not in control Instrument continu- ally goes through power-up reset Display reads F An F AIL , CN 21 10 disables control output 1. Incorrect settings 2. Thermocouple W iring 1. Severe electrical ...
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Chromalox CN2110 - page 28
CN 2 110 Omega ...
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Chromalox CN2110 - page 29
C N 211 0 T emper atur e Contr oller CN 2 110 ...
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Chromalox CN2110 - page 30
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Chromalox CN2110 - page 31
W ARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA ’ s W ARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA ’ s custo ...
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Chromalox CN2110 - page 32
CN 2 110 Omega Where Do I Find Ever ything I Need for Pr ocess Measurement and Contr ol? OM EGA…Of Course! Shop online at www .omega.com TEMPERA TURE 䡺 ⻬ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies 䡺 ⻬ Wire: Thermocouple, RTD & Thermistor 䡺 ⻬ Calibrators & Ice Point References 䡺 ⻬ Recorde ...
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