Omega CNI8 manual

U ser ’ s Guide USA MADE IN www .omega.com e-mail: info@omega.com iSeries info: www .omega.com/specs/iseries T emperature & Pr ocess Controller Manual CNi8, CNi8C, CNi8DH, CNi8DV , CNi16, CNi16D, CNi32 Shop on line at[...]

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that 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 OM[...]

T ABLE OF CONTENTS Part 1: Introduction ............................................................................................ 2 1.1 Description ................................................................................. 2 1.2 Safety Considerations ............................................................... 3 1.3 Before Y ou Begin .[...]

LIST OF FIGURES: Figure 2.1 Front Panel Display .............................................................................. 5 Figure 2.2 Rear Panel Power and Output Connector Labels .............................. 6 Figure 2.3 Rear Panel Input Connector Labels .................................................... 6 Figure 2.4 Main Power Connection[...]

NO TES, WARNINGS and CA UTIONS Information that is especially important to note is identified by following labels: • NOTE • W ARNING or CAUTION • IMPORT ANT • TIP NOTE: Provides you with information that is important to successfully setup and use the Programmable Digital Meter . CAUTION or W ARNING: T ells you about the risk of electrical s[...]

P ART 1 INTRODUCTION 1.1 Description This device can be purchased as monitor (read process value only) or as a controller . • The iSeries controller offers unparalleled flexibility in process measurement. Each unit allows the user to select the input type, from 10 thermocouple types (J, K, T , E, R, S, B, C, N and J DIN), Pt R TDs (100, 500 or 10[...]

1.2 Safety Considerations This device is marked with the international caution symbol. It is important to read this manual before installing or commissioning this device as it contains important information relating to Safety and EMC (Electromagnetic Compatibility). This instrument is a panel mount device protected in accordance with EN 61010-1:200[...]

1.3 Before Y ou Begin Inspecting Y our Shipment: Remove the packing slip and verify that you have received everything listed. Inspect the container and equipment for signs of damage as soon as you receive the shipment. Note any evidence of rough handling in transit. Immediately report any damage to the shipping agent. The carrier will not honor dam[...]

P ART 2 SETUP 2.1 Front Panel Figure 2.1 Front Panel Display T able 2.1 Front Panel Annunciators 1 Output 1/Setpoint 1/ Alarm 1 indicator 2 Output 2/Setpoint 2/ Alarm 2 indicator °C °C unit indicator °F °F unit indicator PV Upper Display shows the Process V alue SV Lower Display shows the Setpoint 1 V alue a Changes display to Configuration Mod[...]

2.2 Rear Panel Connections The rear panel connections are shown in Figures 2.2 and 2.3. Figure 2.2 Rear Panel Power and Output Connections Figure 2.3 Rear Panel Input Connections T able 2.2 Rear Panel Connector POWER AC/DC Power Connector: All models INPUT Input Connector: All models TC, PR (Process), R TD OUTPUT 1 Based on one of the following mod[...]

2.3 Electrical Installation 2.3.1 Power Connections Caution: Do not connect power to your device until you have completed all input and output connections. Failure to do so may result in injury! Connect the main power connections as shown in Figure 2.4. Figure 2.4 Main Power Connections T able 2.3 Fuse Requirement (see specifications) FUSE Connecto[...]

2.3.2 Thermocouple The figure below shows the wiring hookup for any thermocouple type. For example, for T ype K hookup, connect the yellow wire to the "2" terminal and the red wire to the "1(-)" terminal. When configuring your controller , select Thermocouple and Thermocouple T ype in the Input T ype menu (see Part 3). Figure 2.[...]

9 2.3.3 T wo/Three/Four-W ire RTD The figures below show the input connections and input connector jumpers (shown in bold lines) required to hookup a 2-, 3- or 4-wire RTD. Figure 2.6 a) RTD-1000 ohm and b) RTD-100 ohm Wiring Hookup 500 ohm Wiring Hookup The two-wire connection is simplest method, but does not compensate for lead-wire temperature ch[...]

10 2.3.4 Process Current The figure below shows the wiring hookup for Process Current 0 – 20 mA. Figure 2.7 Process Current Wiring Hookup (Internal and External Excitation) When configuring your instrument, select Process T ype in the Input T ype Menu (see Part 3). 2.3.5 Process V oltage The figure below shows the wiring hookup for Process V olta[...]

11 2.3.6 Wiring Outputs This meter has two factory installed outputs. The SPDT Mechanical Relay , SPST Solid State Relay , Pulse and Analog Output Connection are shown below . Figure 2.9 a) Mechanical Relay and SSR b) Pulse and Analog Outputs Wiring Hookup Outputs Wiring Hookup Use copper conductors only for power connections TEMPERA TURE CONTROLLE[...]

This device may have a programmable communication output. The RS-232 and RS-485 Output Connection are shown below . External RS-232 connections are not available with -EI or C4EI options. Figure 2.1 1 a) RS-232 Output Wiring Hookup b) RS-485 Output Wiring Hookup This device may also have an excitation output. If the Dual Display model has a Low V o[...]

2.3.7 Dual Display Color Setup The dual display option allows the user to change the color of the upper and lower displays. T o change the color of the upper display , see Section 3.2.15 (Display Color section). T o change the color of the lower display follow the instructions below: The unit should be removed from the panel and opened. Refer to th[...]

14 P ART 3 OPERA TION: Configuration Mode 3.1 Introduction The instrument has two different modes of operation. The first, Run Mode, is used to display values for the Process V ariable, and to display or clear Peak and V alley values. The other mode, Menu Configuration Mode, is used to navigate through the menu options and configure the controller [...]

15 3.2 Menu Configuration It is required that you put the controller in the Standby Mode for any configuration change other than Setpoints & Alarms. Figure 3.1 Flow Chart for ID and Setpoints[...]

16 3.2.1 ID Number SEE ID MENU SELECTION IN CONFIGURA TION SECTION FOR ENABLE/DISABLE OR CHANGE ID CODE. If ID Code is Disabled or set as Default (0000) the menu will skip ID step to Setpoint Menu. If ID Code is set to Full Security Level and user attempts to enter the Main Menu, they will be prompted for an ID Code. If ID Code is set to Setpoint/I[...]

17 3.2.2 Set Points SETPOINT 1: Press a 1) Press a , if necessary until SP1 prompt appears. Press d 2) Display shows previous value of “Setpoint 1”. Press b & c 3) Press b and c to increase or decrease Setpoint 1 respectively . Holding b & c buttons down for approximately 3 seconds will speed up the rate at which the Setpoint value incr[...]

18 3.2.3 Configuration Menu Figure 3.2 Flow Chart for Configuration Menu Enter Configuration Menu: Press a 1) Press a , if necessary , until CNFG prompt appear . Press d 2) Display advances to INPT Input Menu. Press a 3) Pressing and releasing a to scroll through all available menus of Configuration section. 3.2.4 Input T ype Menu Figure 3.3 Flow C[...]

19 Input T ype (Thermocouple) ENTER INPUT TYPE MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press d 3) Display flashes T.ç , RTD or PROC (Thermocouple, RTD or Process). If the displayed input type is T.ç , press a to skip to step 6 ( T.ç stops flashing). THERMOCOUPLE SUBMENU[...]

20 Input T ype (RTD) ENTER INPUT TYPE MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press d 3) Display flashes T.ç , RTD or PROC (Thermocouple, RTD or Process). If the displayed input type is RTD , press a to skip to step 6 ( RTD stops flashing). RTD SUBMENU: Press b 4) Scroll [...]

21 Input T ype (Process) ENTER INPUT TYPE MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press d 3) Display flashes T.ç , RTD or PROC (Thermocouple, RTD or Process). If the displayed input type is PROC , press a to skip to step 6 ( PROC stops flashing). PROCESS SUBMENU: Press b [...]

22 ENTER READING CONFIGURA TION MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Display advances to RDG Reading Configuration Menu. Press d 4) Display advances to DEC Decimal Point. DECIMAL POINT SUBMENU: Press d 5) Display flashes previous selection for Decimal locatio[...]

23 Reading Configuration (If Process was selected) INPUT/READING (SCALE AND OFFSET) SUBMENU: Input V oltage or Current can be converted or scaled into values appropriate for the process or signal being measured. So, a reading may be displayed, for example, in units of weight or velocity instead of in amperes or volts. The instrument determines Scal[...]

24 Conversion number is a coefficient of conversion between input values and real full display range (10000 counts shown as 9999). See T able 3.2 below for proper conversion number . T able 3.2 Conversion T able RANGE CONVERSION NUMBER 100 mV 10000 / (100 x 1) = 100 1 V 10000 / (1000 x 1) = 10 10 V 10000 / (1000 x 10) = 1 0 -20 mA 10000 / (20 x 1) [...]

25 3.2.6 Alarm 1 This unit is equipped with two physical outputs that can only be configured as follows: Alarm 1 & Alarm 2, Alarm 1 & Output 2, Output 1 & Alarm 2, Output 1 & Output 2, Analog Out 1 & Alarm 2, Analog Out 1 & Output 2 . Analog Out available only if Analog Output Option board is factory installed. If Analog Out[...]

26 ALARM 1 ENABLE/DISABLE SUBMENU: Press b 5) Scroll though the available selection until ENBL displays to use Alarm 1. Press d 6) Display shows STRD stored message momentarily and then advances to ABSo only if it was changed, otherwise press a to advance to ABSo Alarm 1 Absolute/Deviation Submenu. If DSBL Alarm 1 Disabled was selected, all submenu[...]

27 CONT ACT CLOSURE SUBMENU: Press d 11 ) Display flashes previous selection. Press b to N.ç. Normally Closed or N.o. Normally Open. Press d 12) Display shows STRD stored message momentarily and then advances to AçTV only if it was changed, otherwise press a to advance to AçTV Active Submenu. Normally Open: If this feature is selected, then the [...]

28 ALARM ENABLE/DISABLE A T POWER ON: Press d 15) Display flashes previous selection. Press b to ENBL enable or DSBL disable. Press d 16) Display shows STRD stored message. momentarily and then advances to ALR.L only if it was changed, otherwise press a to advance to the ALR.L Alarm 1 Low V alue Submenu. If the alarm is enabled at Power On, the ala[...]

29 3.2.7 Analog Output (Retransmission) Analog Output can be configured as Retransmission or Control outputs. In this section we will discuss Retransmission Output. This unit is equipped with two physical outputs that can only be configured as follows: Alarm 1 & Alarm 2, Alarm 1 & Output 2, Output 1 & Alarm 2, Output 1 & Output 2, A[...]

30 ANALOG OUTPUT ENABLE/DISABLE SUBMENU: Press b 5) Scroll though the available selection until ENBL displays to use Analog Output Retransmission (output proportional to the input signal). Press d 6) Display shows STRD stored message momentarily and then advances to CURR or VoLT Submenu only if it was changed, otherwise press a to advance to CURR o[...]

31 Accuracy of Analog Output board is +/-1% of FS (Full Scale) when following conditions are satisfied: 1. The input is not scaled below 1% of Input FS (10 mV @ 1 V or 0.2 mA @ 20 mA input ranges). 2. Analog Output is not scaled below 3% of Output FS (300 mV @ 10 V or 0.6 mA @ 20 mA output ranges). Otherwise certain corrections need to be applied. [...]

32 3.2.8 Alarm 2 This unit is equipped with two physical outputs that can only be configured as follows: Alarm 1 & Alarm 2, Alarm 1 & Output 2, Output 1 & Alarm 2, Output 1 & Output 2, Analog Out 1 & Alarm 2, Analog Out 1 & Output 2 . Analog Out available only if Analog Output Option board is factory installed. Alarm must be[...]

33 3.2.9 Loop Break Time/Field Calibration Figure 3.8 Flow Chart for Loop Break Time/Field Calibration ENTER LOOP BREAK TIME MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display advances to LOOP Loop Break T ime Menu. Press d 4) Display[...]

34 3.2.9 Loop Break Time/Field Calibration (continued) Reading Offset Adjust allows the user to fine tune a minor error of the transducer , however some applications may require a large offset adjust. (Displayed Process V alue = Measured Process V alue ± R.ADJ). Reading Adjust is adjustable between -1999 to 9999. For T emperature Reading only , no[...]

35 3.2.10 Output 1 Alarm 1 and Output 1 or Analog Output (Retransmission) share the same contacts on the rear panel connector . If Alarm 1 or Analog Output (Retransmission) is Enabled , Output 1 is automatically Disabled . Figure 3.9 Flow Chart for Output 1 It is required that you put the controller in the Standby Mode for any configuration change [...]

36 ENTER OUTPUT 1 MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display advances to OUT1 Output 1 Menu. Press d 4) Display advances to SELF Self Submenu. SELF SUBMENU: The Self Option allows the output of the instrument to be controlled [...]

37 MAXIMUM/PERCENT HIGH SUBMENU: Specify in percent, the maximum value (99) for control output. If the output is analog proportional (Current or V oltage), then the maximum voltage or current, in percent, is specified. If the output is time proportional (Relay , SSR, or Pulse), then the maximum duty-cycle, in percent, is specified. Press d 12) Disp[...]

38 ACTION TYPE SUBMENU: The error that results from the measurement of the Process V ariable may be positive or negative since it may be greater or smaller than the Setpoint. If a positive error should cause the instrument output to increase (i.e. cooling), it would be called Direct Acting . If a negative error should cause the output to increase ([...]

39 If Anti Integral (Anti Windup) Submenu “Enabled” , this feature allows the error term outside the proportional band to be calculated and accumulated for integration. This may be an important feature in applications where fast response time is desirable. ST ART AUTO TUNE PID: Press d 27) Display flashes ENBL or DSBL . Press b 28) Scroll throu[...]

40 RESET SETUP SUBMENU: Press d 33) Display flashes 1 st digit of the previous I REST Reset value. Press b & c 34) Press b and c buttons to enter a new “Reset” value. Press d 35) Display shows STRD stored message momentarily and then advances to RATE only , if it was changed, otherwise press a to advance to RATE Rate Setup Submenu. Reset un[...]

41 DAMPING F ACTOR SUBMENU: Press d 42) Display flashes the previous “Damping Factor” selection. Press b 43) Scroll through the available selections: 0000 , 0001 , 0002 , 0003 , 0004 , 0005 , 0006 , 0007 . Press d 44) Display flashes STRD stored message and then advances to OUT2 only , if it was changed, otherwise press a to advance to OUT2 Out[...]

42 3.2.1 1 Output 2 Output 2 and Alarm 2 share the same contacts on the rear panel connector . If Alarm 2 is Enabled , Output 2 is automatically Disabled . Figure 3.10 Flow Chart for Output 2 ENTER OUTPUT 2 MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if ne[...]

43 ACTION TYPE SUBMENU: The error that results from the measurement of the Process V ariable may be positive or negative since it may be greater or smaller than the Setpoint. If a positive error should cause the instrument output to increase (i.e. cooling), it would be called Direct Acting . If a negative error should cause the output to decrease ([...]

44 CYCLE TIME SUBMENU: Press d 15) Display flashes 1 st digit of the previous “Cycle T ime” value. Press b & c 16) Press b and c buttons to enter a new “Cycle T ime” value (1 to 199 seconds). Press d 17) Display shows STRD stored message momentarily and then advances to RAMP only , if it was changed, otherwise press a to advance to RAMP[...]

45 3.2.12 Ramp & Soak Alarm must be DISABLED if Ramp is ENABLED. Figure 3.1 1 Flow Chart for Ramp and Soak ENTER RAMP AND SOAK MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display advances to RAMP Ramp and SOAK Soak Menu. RAMP ENABL[...]

46 SOAK ENABLE/DISABLE SUBMENU: Press d 7) Display flashes ENBL or DSBL . Press b 8) Scroll through the available selections: “Enable” or “Disable”. Press d 9) Display shows STRD stored message momentarily and then advances to “Ramp V alue” Submenu. Ramp & Soak provides users with the flexibility to slowly bring the Process V ariabl[...]

47 3.2.13 ID CODE Figure 3.12 Flow Chart for ID Code ENTER ID CODE MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display advances to ID ID Code Menu. ENTERING OR CHANGING YOUR (NON-DEF AUL T) ID CODE: Press d 4) Display advances to ____ [...]

48 ENTERING OR CHANGING YOUR (DEF AUL T) ID CODE: Enter ID menu (Repeat steps from 1 to 3). Press d 10) Display advances to CH.ID Change ID Code Submenu. Press d 11 ) Display shows 0000 message with flashing 1 st digit. If you want to change your default “ID Code” you can do it now , otherwise press a and menu will skip to FULL Full Security Su[...]

49 3.2.14 COMMUNICA TION OPTION Purchasing the controller with Serial Communications permits an instrument to be configured or monitored from an IBM PC compatible computer using software available from the website or on the CD-ROM enclosed with your shipment . For complete instructions on the use of the Serial Comm.Option, refer to the Serial Comm.[...]

50 ENTER COMMUNICA TION OPTION MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display advances to COMM Communication Options Menu. Press d 4) Display advances to C.PAR Communication Parameters Submenu. If Communication Option is not insta[...]

51 STOP BIT SUBMENU: Press d 15) Display flashes previous selection for “Stop Bit”. Press b 16) Scroll through the available selections: 1-BIT , 2-BIT . Press d 17) Display shows STRD stored message momentarily and then advances to BUS.F only , if it was changed, otherwise press a to advance to BUS.F Bus Format Submenu. BUS FORMA T SUBMENU: Det[...]

52 Press d 25) Display flashes previous selection for “Echo”. Press b 26) Scroll through the available selections: NO, YES. Press d 27) Display flashes STRD stored message momentarily and then advances to STND only if it was changed, otherwise press a to advance to STND Communication Standard Submenu. COMMUNICA TION INTERF ACE ST ANDARD SUBMENU[...]

53 DA T A FORMA T SUBMENU: Preformatted data can be sent automatically or upon request from the controller . Use the Data Format Submenus to determine what data will be sent in this preformatted data string. Refer to the iSeries Communications Manual for more information about the data format. At least one of the following suboptions must be enable[...]

54 TEMPERA TURE UNIT SUBMENU: Includes a byte in the data string to indicate whether reading is in Celsius or Fahrenheit. Press d 50) Display flashes previous selection for UNIT . Press b 51) Scroll through the available selections: NO, YES. Press d 52) Display shows STRD stored message momentarily and then advances to ADDR only , if it was changed[...]

55 3.2.15 DISPLA Y COLOR SELECTION This submenu allows the user to select the color of the display . Figure 3.14 Flow Chart for Display Color Selection ENTER DISPLA Y COLOR SELECTION MENU: Press a 1) Press a , if necessary , until CNFG prompt appears. Press d 2) Display advances to INPT Input Menu. Press a 3) Press a , if necessary , until Display [...]

56 ALARM 2 DISPLA Y COLOR SUBMENU: Press d 11 ) Display flashes previous selection for “Alarm 2 Color Display”. Press b 12) Scroll through the available selections: GRN , RED or AMBR . Press d 13) Display shows STRD stored message momentarily and then momentarily shows the software version number , followed by RST Reset, and then proceeds to th[...]

57 Example 3: Output 1 = Analog Output (Alarm 1 disabled), Setpoint 1 = 300, Output 2 = Relay , Setpoint 2 = 200 Alarm 1 & 2 Setup: Deviation, Band, “ALR.H” = 10 Color Display Setup: “N.CLR” = Green, “1.CLR” = Amber , “2.CLR” = Red Display Colors change sequences: RED RED RED GREEN RED • ➤ --------------- • ------ • ----[...]

58 P ART 4 SPECIFICA TIONS Accuracy ±0.5°C temp; 0.03% reading process Resolution 1°/0.1°; 10 µV process T emperature Stability 1) RTD: 0.04°C/°C 2) TC @ 25°C (77°F): 0.05°C/°C - Cold Junction Compensation 3) Process: 50 ppm/°C NMRR 60 dB CMRR 120 dB A/D Conversion Dual slope Reading Rate 3 samples per second Digital Filter Programmable[...]

59 Modes T ime and Amplitude Proportional Control Modes; selectable Manual or Auto PID, Proportional, Proportional with Integral, Proportional with Derivative with Anti-reset Windup and ON/OFF Rate 0 to 399.9 seconds Reset 0 to 3999 seconds Cycle Time 1 to 199 seconds; set to 0 for ON/OFF operation Gain 0.5 to 100% of span; Setpoints 1 or 2 Damping[...]

60 EXCIT A TION (optional in place of Communication) 24 Vdc @ 25 mA Not available for Low Power Option INSULA TION Power to Input/Output 2300 V ac per 1 min. test 1500 V ac per 1 min. test ( Low V oltage/Power Option) Power to Relays/SSR Outputs 2300 V ac per 1 min. test Relays/SSR to Relay/SSR Outputs 2300 V ac per 1 min. test RS-232/485 to Inputs[...]

61 J K T E R S B C N L RTD RTD T able 4.1 Input Properties TC Input T ype Range Accuracy* Iron-Constantan -210 to 760°C 0.4°C -346 to 1400°F 0.7°F -270 to -160°C 1.0°C CHROMEGA ® - -160 to 1372°C 0.4°C ALOMEGA ® -454 to -256°F 1.8°F -256 to 2502°F 0.7°F -270 to -190°C 1.0°C Copper-Constantan -190 to 400°C 0.4°C -454 to -310°F 1.8[...]

62 P ART 5 F ACT OR Y PRESET V ALUES T able 5.1 Factory preset value MENU ITEMS F ACTOR Y PRESET V ALUES NOTES Set Point 1 (SP1) 000.0 Set Point 2 (SP2) 000.0 Input: Input T ype (INPT) TC, type K Reading Configuration (RDG): Decimal Point (DEC.P) FFF .F T emperature unit (TEMP) °F Filter value (FL TR) 0004 Alarm 1 & 2 : Alarm 1 (ALR1), Alarm 2[...]

63 MENU ITEMS F ACTOR Y PRESET V ALUES NOTES Ramp & Soak (RAMP) : Ramp (RAMP) Disable (DSBL) Soak (SOAK) Disable (DSBL) Ramp V alue (RAMP) 00:00 Soak V alue (SOAK) 00:00 ID : ID V alue 0000 Full ID (FULL) Disable (DSBL) Set Point ID (ID.SP) Disable (DSBL) Communication Parameters: Baud Rate (BAUD) 9600 Parity (PRTY) Odd Data bit (DA T A) 7 bit [...]

64 P ART 6 CE APPRO V ALS INFORMA TION This product conforms to the EMC directive 89/336/EEC amended by 93/68/EEC, and with the European Low V oltage Directive 72/23/EEC. Electrical Safety EN61010-1:2001 Safety requirements for electrical equipment for measurement, control and laboratory . Double Insulation Pollution Degree 2 Dielectric withstand T[...]

NO TES 65[...]

NO TES 66[...]

WARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of one (1) year from the date of purchase. In addition to OMEGA ’s standard warranty period, OMEGA Engineering will extend the warranty period for four (4) additional years if the warranty card enclosed with each instru[...]

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