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Omega CN16Pt User Manual

Omega CN16Pt
61 pages
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CN32Pt, CN16Pt, CN16PtD, CN8Pt,
CN8PtD
Temperature & Process Controller
s

Table of Contents

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Omega CN16Pt Specifications

General IconGeneral
BrandOmega
ModelCN16Pt
CategoryController
LanguageEnglish

Summary

1. Introduction

1.1 Description

Provides a detailed overview of the PLATINUMTM Series controller's capabilities and features.

1.2 Using This Manual

Explains how to navigate the manual, including menu structure and hyperlinks.

1.3 Safety Considerations

Outlines essential safety precautions and warnings for operating the instrument.

1.4 Wiring Instructions

Details the back panel connections for different models of the controller.

1.4.1 Back Panel Connections

Illustrates the back panel connections for CN8Pt and CN16Pt/CN32Pt models.

1.4.2 Connecting Power

Explains how to connect AC or DC power to the controller.

1.4.3 Connecting Inputs

Details the 10-pin input connector assignments and sensor connections.

Table 1.2 - Interfacing Sensors to the Input Connector

Summarizes sensor types and their corresponding input connector pins.

Figure 1.4 - RTD Wiring Diagram

Provides a visual guide for wiring RTD sensors to the input connector.

Figure 1.5 - Process Current Wiring Hookup with Internal and External Excitation

Illustrates wiring hookups for process current inputs with internal or external excitation.

1.4.4 Connecting Outputs

Details the 5 types of outputs and their connector configurations.

Table 1.3 - Output Type Designations

Lists the different output types supported by the controller.

Table 1.4 - 8 Pin Output/Power Connector Wiring Summary by Configuration

Shows wiring summaries for various output configurations on the 8-pin connector.

Table 1.5 - Definitions for Abbreviations in Table 1.4

Defines abbreviations used in the output wiring summary table.

2. PLATINUMTM Series Navigation

Figure 2.1 - PLATINUMTM Series Display (CN8DPt Shown)

Illustrates the front panel display elements and their functions.

2.1 Description of Button Actions

Explains the function of each button for navigating the controller's menus.

2.2 Menu Structure

Describes the hierarchical structure of the controller's menus and submenus.

2.3 Level 1 Menu

Details the three main Level 1 menu groups: Initialization, Programming, and Operating.

2.4 Circular Flow of Menus

Illustrates how to navigate through menus using the LEFT, RIGHT, and ENTER buttons.

3. Complete Menu Structure

3.1 Initialization Mode Menu (INIt)

Maps the navigation path for the Initialization Mode menu.

Table mapping Initialization Mode (INIt) navigation

Provides a detailed table mapping the Initialization Mode menu structure.

Table mapping Initialization Mode (INIt) navigation

Continues the table mapping the Initialization Mode menu structure.

Table mapping Initialization Mode (INIt) navigation

Continues the table mapping the Initialization Mode menu structure.

3.2 Programming Mode Menu (PRoG)

Maps the navigation path for the Programming Mode menu.

Table mapping Programming Mode (PRoG) navigation

Provides a detailed table mapping the Programming Mode menu structure.

Table mapping Programming Mode (PRoG) navigation

Continues the table mapping the Programming Mode menu structure.

3.3 Operating Mode Menu (oPER)

Maps the navigation path for the Operating Mode menu.

4. Reference Section: Initialization Mode (INIt)

4.1 Input Configuration (INIt > INPt)

Guides the user through configuring the controller's input type.

4.1.1 Thermocouple Input Type (INIt > INPt > t.C.)

Explains how to select and specify thermocouple types for input.

4.1.2 Resistance Temperature Detector (RTD) Input Type (INIt > INPt > Rtd)

Details configuration options for Resistance Temperature Detector (RTD) inputs.

4.1.2.1 Number of RTD Wires (INIt > INPt > Rtd > N.WIR)

Explains how to set the number of wires for RTD connection.

4.1.2.2 Calibration Curve (INIt > INPt > Rtd > A.CRV)

Details the available calibration curves for RTD inputs.

4.1.3 Thermistor Input Type Configuration (INIt > INPt > tHRM)

Guides configuration for Thermistor temperature sensor inputs.

4.1.4 Process Input Type Configuration (INIt > INPt > PRoC)

Details selecting and scaling process voltage or current inputs.

Manual and Live Scaling

Explains manual and live scaling methods for process inputs.

4.2 Display Reading Formats (INIt > RdG)

Details how to configure the front panel display settings.

4.2.1 Decimal Point Format (INIt > RdG > dEC.P)

Explains settings for the decimal point format on the display.

4.2.2 Temperature Units (INIt > RdG > °F°C)

Covers selecting temperature units (°F or °C) for display.

4.2.3 Filter (INIt > RdG > FLtR)

Details filter settings to average input signals and suppress noise.

4.2.4 Annunciator Settings (INIt > RdG > ANN.1/ANN.2)

Explains how to configure annunciators for alarms or output status.

4.2.5 Normal Color (INIt > RdG > NCLR)

Configures the default display color, which can be overridden by alarms.

4.2.6 Brightness (INIt > RdG > bRGt)

Allows adjustment of the front panel display brightness.

4.3 Excitation Voltage (INIt > ECtN)

Sets the excitation voltage for sensors like RTDs and thermistors.

4.4 Communication (INIt > CoMM)

Configures communication ports like USB, Ethernet, and Serial.

4.4.1 Protocol (INIt > CoMM > USb, EtHN, SER > PRot)

Selects the communication protocol (e.g., Omega ASCII, Modbus).

4.4.1.1 ASCII Parameters (INIt > CoMM > USb, EtHN, SER > PRot > 0MEG)

Sets parameters for Omega ASCII data transfer mode.

4.4.2 Address (INIt > CoMM > USb, EtHN, SER > AddR)

Configures the device address, crucial for Modbus communication.

4.4.3 Serial Communications Parameters (INIt > CoMM > SER >C.PAR)

Allows configuration of serial communication parameters.

4.4.3.1 Serial Bus Format (INIt > CoMM > SER > C.PAR > bUS.F)

Selects between RS232 and RS485 serial communication formats.

4.4.3.2 Baud Rate (INIt > CoMM > SER > C.PAR > bAUd)

Sets the baud rate for serial communication.

4.4.3.3 Parity (INIt > CoMM > SER > C.PAR > PRty)

Configures the parity setting for serial data transmission.

4.4.3.4 Data Bits (INIt > CoMM > SER > C.PAR > dAtA)

Sets the number of data bits per character in serial communication.

4.4.3.5 Stop Bits (INIt > CoMM > SER > C.PAR > StoP)

Sets the number of stop bits for serial communication.

4.5 Safety Features (INIt > SFty)

Configures safety features like power-on confirmation and setpoint limits.

4.5.1 Power On Confirmation (INIt > SFty > PwoN)

Controls whether confirmation is required before automatic startup.

4.5.2 Operating Mode Confirmation (INIt > SFty > oPER)

Determines user interaction for starting the program from other modes.

4.5.3 Setpoint Limits (INIt > SFty > SP.LM)

Allows setting minimum and maximum limits for setpoint values.

4.5.4 Loop Break Timeout (INIt > SFty > LPbk)

Sets a timeout to detect sensor malfunctions based on input value changes.

4.5.5 Open Circuit (INIt > SFty > o.CRk)

Enables monitoring for open circuit conditions in sensors.

4.6 Manual Temperature Calibration (INIt > t.CAL)

Allows manual adjustment of thermocouple, RTD, or thermistor calibration.

4.6.1 No Manual Temperature Calibration Adjustment (INIt > t.CAL > NoNE)

Selects standard sensor calibration curves, disabling manual adjustments.

4.6.2 Manual Temperature Calibration Offset Adjustment (INIt > t.CAL > 1.PNt)

Allows manual adjustment of the calibration curve offset.

4.6.3 Manual Temperature Calibration Offset and Slope Adjustment (INIt > t.CAL > 2.PNt)

Enables manual adjustment of both offset and slope of the calibration curve.

4.6.4 Temperature Ice Point Calibration (INIt > t.CAL > ICE.P)

Calibrates the zero point for temperature sensors at the freezing point of water.

4.7 Save Current Configuration for All Parameters to a File (INIt > SAVE)

Saves the current unit configuration settings to a file.

4.8 Load a Configuration for All Parameters from a File (INIt > LoAd)

Loads a previously saved configuration file into the unit.

4.9 Display Firmware Revision Number (INIt > VER.N)

Displays the current firmware version number of the unit.

4.10 Update Firmware Revision (INIt > VER.U)

Guides the process of updating the unit's firmware.

4.11 Reset to Factory Default Parameters (INIt > F.dFt)

Resets all unit parameters to their factory default settings.

4.12 Password-Protect Initialization Mode Access (INIt > I.Pwd)

Sets a password to protect access to Initialization Mode settings.

4.13 Password-Protect Programming Mode Access (INIt > P.Pwd)

Sets a password to protect access to Programming Mode settings.

5. Reference Section: Programming Mode (PROG)

5.1 Setpoint 1 Configuration (PRoG > SP1)

Configures the primary setpoint value for PID or On/Off control.

5.2 Setpoint 2 Configuration (PRoG > SP2)

Configures the secondary setpoint, used for alarms or heat/cool control.

5.3 Alarm Mode Configuration (PRoG > ALM.1, ALM.2)

Sets up, changes, enables, or disables alarms and their behaviors.

5.3.1 Alarm Type (PRoG > ALM.1, ALM.2 > tyPE)

Defines the basic behavior of an alarm (e.g., absolute, deviation).

Table 5.1 - Alarm Range Option Comparison

Compares alarm range options for absolute and deviation modes.

Figure 5.1 – Alarm Range Option Diagram

Visually illustrates alarm range options for different modes.

5.3.2 Absolute or Deviation Alarm (PRoG > ALM.1, ALM.2 > tyPE > Ab.dV)

Selects between absolute or deviation-based alarm triggering.

5.3.3 Alarm High Reference (PRoG > ALM.1, ALM.2 > tyPE > ALR.H)

Sets the high reference value for alarm trigger calculations.

5.3.4 Alarm Low Reference (PRoG > ALM.1, ALM.2 > tyPE > ALR.L)

Sets the low reference value for alarm trigger calculations.

5.3.5 Alarm Color (PRoG > ALM.1, ALM.2 > A.CLR)

Configures the display color when an alarm condition is active.

5.3.6 Alarm High High / Low Low Offset Value (PRoG > ALM.1, ALM.2 > HI.HI)

Sets offset values for High High/Low Low alarm functions.

Figure 5.2 - Alarm HI.HI parameter

Illustrates the HI.HI parameter's effect on alarm trigger points.

5.3.7 Alarm Latching (PRoG > ALM.1, ALM.2 > LtCH)

Configures how alarms latch or reset after being triggered.

5.3.8 Alarm Normally Closed, Normally Open (PRoG > ALM.1, ALM.2 > CtCL)

Sets the alarm output to normally closed or normally open.

5.3.9 Alarm Power-On Behavior (PRoG > ALM.1, ALM.2 > A.P.ON)

Determines if alarms are active immediately upon power-on.

5.3.10 Alarm On Delay (PRoG > ALM.1, ALM.2 > dE.ON)

Sets a delay for triggering alarms to prevent false triggers.

5.3.11 Alarm Off Delay (PRoG > ALM.1, ALM.2 > dE.oF)

Sets a delay for cancelling alarms to prevent chatter.

5.4 Output Channel 1-3 Configuration (PRoG > oUt.1-oUt.3)

Configures the mode and behavior of output channels.

5.4.1 Output Channel Mode (PRoG > oUt1-oUt3 > ModE)

Selects the operating mode for each output channel (e.g., PID, Alarm).

5.4.1.2 PID Control Mode (PRoG > oUt1-oUt3 > ModE > Pld)

Sets an output channel to operate in PID Control Mode.

5.4.1.3 On/Off Control Mode (PRoG > oUt1-oUt3 > ModE > oN.oF)

Sets an output channel to operate in On/Off Control Mode.

5.4.1.4 Output as Alarm 1 (PRoG > oUt1-oUt3 > ModE > ALM.1)

Configures an output channel to function as Alarm 1.

5.4.1.5 Output as Alarm 2 (PRoG > oUt1-oUt3 > ModE > ALM.2)

Configures an output channel to function as Alarm 2.

5.4.1.6 Retransmission (PRoG > oUt1-oUt3 > ModE > RtRN)

Sets up an output channel for retransmission of signals.

5.4.2 Output Cycle Pulse Width (PRoG > oUt1-oUt3 > CyCL)

Sets the pulse width for DC pulse, relay, and SSR outputs.

5.4.3 Analog Output Range (PRoG > oUt1-oUt3 > RNGE)

Selects the voltage or current range for analog outputs.

5.5 PID Configuration (PRoG > Pld.S)

Configures the Proportional-Integral-Derivative (PID) control parameters.

5.5.1 Action Response (PRoG > Pld > ACtN)

Sets the action direction for PID control (heating or cooling).

5.5.2 Autotune Timeout (PRoG > Pld > A.to)

Sets the timeout duration for the autotune process.

5.5.3 Autotune (PRoG > Pld > AUto)

Initiates the autotuning process to optimize PID parameters.

5.5.4 PID Gain Settings (PRoG > Pld > GAIN)

Allows manual adjustment of Proportional, Integral, and Derivative PID factors.

5.5.5 Low Output Clamping Limit (PRoG > Pld > %Lo)

Sets the lower limit for output power or PWM pulse width.

5.5.6 High Output Clamping Limit (PRoG > Pld > %HI)

Sets the upper limit for output power or PWM pulse width.

5.5.7 Adaptive Tuning (PRoG > Pld > AdPt)

Enables or disables fuzzy logic adaptive tuning for PID optimization.

5.6 Remote Setpoint Configuration (PRoG > RM.SP)

Allows using an analog input to set or change the controller's setpoint.

5.6.1 Cascade Control using Remote Setpoint

Explains how remote setpoint enables cascade control setups.

Figure 5.3 Generic Cascade Control Diagram

Provides a generic diagram illustrating a cascade control system.

Figure 5.4 Heat Exchanger with Cascade Control

Shows a specific example of cascade control in a heat exchanger application.

5.7 Multi-Ramp/Soak Mode Parameters (PRoG > M.RMP)

Configures and manages multi-segment ramp and soak programs.

5.7.1 Multi-Ramp/Soak Mode Control (PRoG > M.RMP > R.CtL)

Activates or deactivates the Multi-Ramp/Soak mode.

5.7.2 Select Program (PRoG > M.RMP > S.PRG)

Selects or loads a specific Ramp/Soak program profile.

5.7.3 Multi-Ramp/Soak Tracking (PRoG > M.RMP > M.tRk)

Configures tracking modes for Ramp, Soak, or Cycle execution.

5.7.4 Time Format (PRoG > M.RMP > tIM.F)

Sets the time format (MM:SS or HH:MM) for Ramp/Soak programs.

5.7.5 Program End Action (PRoG > M.RMP > E.ACT)

Defines the action to take upon program completion (STOP, HOLD, LINK).

5.7.6 Number of Segments (PRoG > M.RMP > N.SEG)

Sets the number of segments (1-8) for a Ramp/Soak program.

5.7.7 Segment Number for Editing (PRoG > M.RMP > S.SEG)

Selects a segment number for editing within a Ramp/Soak program.

5.7.8 More on Multi-Ramp/Soak Programming

Provides an overview of advanced features like linking segments and profiles.

5.7.8.1 Overview

Explains the concept of linking ramp/soak segments to create sequences.

6. Reference Section: Operating Mode (OPER)

6.1 Normal Run Mode (OPER > RUN)

Starts the unit operating according to current settings; displays process value.

6.2 Change Setpoint 1 (oPER > SP1)

Allows changing Setpoint 1 while the unit is running in RUN Mode.

6.3 Change Setpoint 2 (oPER > SP2)

Allows changing Setpoint 2, used for alarms or heat/cool control.

6.4 Manual Mode (oPER > MANL)

Allows manual adjustment of control outputs or process input values.

6.5 Pause Mode (oPER > PAUS)

Pauses the controller and holds the current process input value.

6.6 Stop Process (oPER > StoP)

Turns off all control outputs and stops the process.

6.7 Clear Latched Alarms (oPER > L.RSt)

Clears any currently latched alarms, optionally via digital input.

6.8 Display Valley Reading (oPER > VALy)

Displays the lowest input reading since the buffer was last cleared.

6.9 Display Peak Reading (oPER > PEAK)

Displays the highest input reading since the buffer was last cleared.

6.10 Standby Mode (oPER > Stby)

Disables outputs and alarm conditions, entering a standby state.

7. Specifications

7.1 Inputs

Lists specifications for input types, voltage, current, and impedance.

7.2 Control

Details control actions, autotune, and PID modes.

7.3 Outputs

Specifies details for analog, DC pulse, SPST, SPDT relay, and SSR outputs.

7.4 Communications (USB Standard, Optional Serial and Ethernet)

Lists specifications for USB, Ethernet, and Serial communication interfaces.

7.5 Isolation

Details the dielectric withstand test values for isolation.

7.6 General

Covers display characteristics, dimensions, panel cutout, and environmental conditions.

External Fuse Required

Specifies the required external fuse ratings for the unit.

Line Voltage/Power

Details the line voltage and power consumption specifications.

Low-Voltage/Power Option

Specifies power options for low-voltage configurations.

Protection

Details the protection ratings (e.g., NEMA, IP) for the unit's bezel.

Weight

Lists the weight of different series models.

Table 7.1 - Ranges and Accuracies for Supported Inputs

Summarizes input type ranges and their corresponding accuracies.

Table 7.2 - Error Code Descriptions

Lists and explains various error codes that may appear on the unit.

8. Approvals Information

CE, Electrical Safety EN61010-1:2010

Lists CE marking and electrical safety requirements met.

Dielectric Withstand Test per 1 min

Provides results of dielectric withstand tests for various connections.

Measurement Category I

Defines the measurement category for the unit's circuits.

Transients Overvoltage Surge (1.2 / 50uS pulse)

Lists surge voltage ratings for power and signal lines.

EMC EN61326:1997 + and A1:1998 + A2:2001

Details EMC immunity and emissions requirements met.

WARRANTY/DISCLAIMER

RETURN REQUESTS/INQUIRIES

Provides instructions for returning products for warranty or repair.

Where Do I Find Everything I Need for Process Measurement and Control?

Shop online at omega.comSM

Directs users to the OMEGA website for online shopping.

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