SX80/90
2 IM-P323-35: Part No 3231354 Issue 7.0 Feb-13
4.4.7
Level 1 Operator Parameters ......................................................................................................................................19
5.
Operator Level 2 .......................................................................................................................19
5.1
To Enter Level 2 ...................................................................................................................................... 19
5.2
To Return to Level 1 ............................................................................................................................... 19
5.3
Level 2 Parameters ................................................................................................................................. 19
5.4
Soft Start Timer ...................................................................................................................................... 22
5.4.1
To Operate the Timer Manually...................................................................................................................................22
6.
Access to Further Parameters ................................................................................................23
6.1.1
Level 3 ........................................................................................................................................................................23
6.1.2
Configuration Level .....................................................................................................................................................23
6.1.3
To Select Access Level 3 or Configuration Level ........................................................................................................24
6.2
Parameter lists ........................................................................................................................................ 25
6.2.1
To Choose Parameter List Headers ............................................................................................................................25
6.2.2
To Locate a Parameter ...............................................................................................................................................25
6.2.3
How Parameters are Displayed...................................................................................................................................25
6.2.4
To Change a Parameter Value....................................................................................................................................25
6.2.5
To Return to the HOME Display ..................................................................................................................................25
6.2.6
Time Out .....................................................................................................................................................................25
6.3
Navigation Diagram ................................................................................................................................ 26
7.
Controller Block Diagram ........................................................................................................27
8.
Process (Temperature or Pressure) Input .............................................................................28
8.1
Process Input Parameters ..................................................................................................................... 28
8.1.1
Input Types and Ranges .............................................................................................................................................29
8.1.2
Operation of Sensor Break ..........................................................................................................................................30
8.1.3
PV Offset ....................................................................................................................................................................31
8.1.3.1
Example: To Apply an Offset:- .................................................................................................................................................................. 31
8.1.4
PV Input Scaling .........................................................................................................................................................31
8.1.4.1
Example: To Scale a Linear Input ............................................................................................................................................................. 31
9.
Output Parameters ...................................................................................................................32
9.1
Relay Output List (IO-1) - SX80 and SX90 ........................................................................................... 32
9.1.1
Remote Digital Setpoint Select and Remote Fail .........................................................................................................33
9.1.2
Sense .........................................................................................................................................................................33
9.1.3
Source ........................................................................................................................................................................33
9.1.4
Power Fail...................................................................................................................................................................33
9.1.5
Example: To Configure IO-1 Relay to Operate on Alarms 1 and 2:- ...........................................................................33
9.1.6
Output List 2 (OP-2) - SX 80 and SX90 ......................................................................................................................34
9.1.7
Output List 3 (OP-3) - SX90 only ................................................................................................................................34
9.1.8
AA Relay (AA) (Output 4) - SX90 only ........................................................................................................................35
9.1.9
OP-5 and OP-6 (Outputs 5 and 6) SX90 only .............................................................................................................36
9.1.10
OP-3 and OP-4 (Outputs 3 and 4) SX80 only ........................................................................................................37
9.1.11
Digital Input Parameters LA and LB – SX80 and LB, LC and LD - SX90 ................................................................38
10.
Setpoint Generator ...................................................................................................................39
10.1
Setpoint Parameters ............................................................................................................................... 39
10.1.1
Examples ...............................................................................................................................................................41
10.1.2
Example: To Set an Increasing Rate of Change of Setpoint ..................................................................................41
10.2
Servo to PV ............................................................................................................................................. 42
10.2.1
Example 1, changes to the Local Setpoint(s) SP1, SP2 or SP3 .............................................................................42
10.2.2
Example 2, changes writing directly to the Target Setpoint (TgtSP) .......................................................................43
10.2.3
Example 3, changes writing directly to the Alternate (Remote) Setpoint (AltSP) ....................................................43
10.3
Holdback ................................................................................................................................................. 44
11.
Control .......................................................................................................................................45
11.1
PID Control .............................................................................................................................................. 45
11.2
Tuning ..................................................................................................................................................... 45
11.2.1
Automatic Tuning ...................................................................................................................................................45
11.2.2
How To Tune .........................................................................................................................................................46
11.2.3
Calculation of the cutback values ...........................................................................................................................46
11.2.4
Manual Tuning .......................................................................................................................................................46
11.2.5
Setting the Cutback Values ....................................................................................................................................46
11.3
Integral Action and Manual Reset ......................................................................................................... 47
11.4
Relative Cool Gain .................................................................................................................................. 47
11.5
Control Action ........................................................................................................................................ 47