Omega CN1166 manual Parameter Details, Parameter Function Adjustment Range Default Value

Page 39

NOTES

1.Not operative if Proportional Band = 0.

2.Switching differential for ON/OFF control output.

3.Optional; only one legend will appear for each alarm.

4.Only applicable if a DC linear input is fitted.

5.Only applicable if Output 2 is fitted as a secondary control (COOL) output.

6.Applicable only if the Communications Option is fitted.

7.When a program is running, respective to program setpoint.

2.1PARAMETER DETAILS

Parameter

Function

Adjustment Range

Default

value

 

 

 

 

 

 

 

Input Filter Time

Filter removes extraneous impulses

OFF, 0.5 to 100.0

2.0

Constant

from the process variable input

seconds in 0.5 second

seconds

 

 

increments

 

 

 

 

 

Process Variable

Modifies actual process variable (PV)

￿input span of

0

Offset

value:

Controller

 

 

Offset PV + actual PV

 

 

 

= PV value used

 

 

 

 

 

 

Output Power 1

Current Output 1 power level

0 to 100%

Read only

 

 

 

 

Output Power 2

Current Output 2 power level

0 to 100%

Read only

 

 

 

 

Proportional

Portion of input span in which Output 1

0.0 to 999.9% of input

10.0%

Band 1 (PB1)

power level is proportional to the

span

 

 

(offset) process variable value (see

 

 

 

Figure 2-1).

 

 

 

 

 

 

Proportional

Portion of input span in which Output 2

0.0 to 999.9% of input

10.0%

Band 2 (PB2)

power level is proportional to the

span

 

 

(offset) process variable value (see

 

 

 

Figure 2-1).

 

 

 

 

 

 

Reset (Integral

Integral time constant

1sec. to 99min. 59

5 mins.

Time Constant)

 

secs. and OFF

00 secs.

 

 

 

 

Rate (Derivative

Derivative time constant

00 secs. to 99 mins.

1 min. 15

Time Constant)

 

59 secs.

secs.

 

 

 

 

Overlap/

Portion of proportional band (PB1 +

￿20% to +20% of

0%

Deadband

PB2) in which both outputs are active

(Proportional Band 1

 

 

(overlap) or neither output is active

+ Proportional Band

 

 

(deadband) - see Figure 2-1).

2)

 

 

 

 

 

Manual Reset

Bias applied to output power,

0% to 100% (Output 1

25%

(Bias)

expressed as a percentage of output

only);

 

 

power.

￿100% to +100%

 

 

 

(Output 1 & Output 2)

 

 

 

 

 

 

 

 

 

O077-2

Volume II

2-3

Image 39
Contents Page Page RAMP/SOAK Profile Volume Operating Instructions Volume Installation & Configuration InstructionsContents PANEL-MOUNTING the Controller Unpacking ProcedureConnections and Wiring Rear Terminal Connections RTD Inputs Mains Line Input2 24V Nominal AC/DC Supply Thermocouple InputSSR Drive Outputs Linear InputsRemote Run/Hold Input Relay Outputs11 RS485 Serial Communications Link DC OutputsRemoving the Profile Controller from ITS Housing Internal Links and SwitchesRemoving the Output 2/Output 3 Option PCBs REMOVING/REPLACING the Output 2/OUTPUT 3 Option PCBs Replacing the Instrument in ITS HousingInput Type Selection of Input Type and Output 1 TypeCPU PCB Relay/SSR Drive/Solid State Output Primary Output Output 1 TypeOutput 2 TYPE/OUTPUT 3 Type Hardware Definition Code Entry Into Configuration ModeWit h Hardw are Definit ion Code displayed Configurat ion ModeHardware Definition Code Input/Output Type Selection Option SelectionWit h Hardw are Definit ion Code displayed Configuration Mode ParametersParameter AL1 OFF, AL2 OFF Parameter Page Exit from Configuration Mode Base Mode Alphabetic Index Controller SET-UP ModeProgram Definition Mode CREATING/EDITING a Program Modbus CommunicationsDisplay Sequence no Program Running Base ModeAborting a Program Starting a ProgramPutting a Program in Hold Releasing a Program from HoldRead Only whilst Program is running/held Display Sequence Program RunningPRE-TUNE Feature RaPID Control FeatureIndication of PRE-TUNE and RaPID Status Engaging Both PRE-TUNE and RaPID FeaturesRaPID Status when Hardware Definition Code has the following significance Viewing the Hardware Definition CodePress till front panel shows Press or to change display to Manual ControlController SET-UP Mode Lower display = Parameter Details Parameter Function Adjustment Range Default ValueON/OFF Parameter Function Adjustment Range Default Value Power Alarm Operation Deviation When this display shows Exit from Controller SET-UP ModeEntry Program Definition Mode CREATING/EDITING a ProgramBasic Guidelines Creating a ProgramTo make a Soak segment Defining Segments Rate ModeDefining Segments Time Mode Program Options T p o i n t Guaranteed Soak BandSegment Event Status Press key To display Exit from Program Define Mode Default Values and Adjustment RangesIntroduction Modbus Functions SupportedMessage Formats CRC16 Read Coil Status Read n Bits 01/02Force Single Coil Write 1 Bit Read Holding Registers Read n Words 03/04Preset Single Register Write 1 Word 06 B Loopback Diagnostic TestPreset Multiple Registers Write n Words 16 B CRC16 Calculation Error and Exception ResponsesReversed BIT Order Used Bit Parameters Controller Status Byte Parameter NumbersController Parameters Word ParametersInstrument ID Parameters Volume O077-4 Profiler Status Byte Profiler CommandsGeneral Universal InputInput Range Remote RUN/HOLD Input Option Solid State OutputRelay SSR Drive/TTLTypes Available Relay, SSR drive, solid state and DC Solid State SSR Drive/TTL Loop Control Alarm ControlPerformance Reference ConditionsPerformance Under Reference Conditions S077-A Volume Environmental See PerformancePhysical Appendix B Summary of Displays Program Define Mode Parameters Configuration Mode Parameters AppendixC RaPID Control Feature AT OFF Alphabetical Index S077-IDX Volume Making a Soak Segment S077-IDX Volume Unpacking Procedure Word Parameters II/4-8