Fluke 9011 6 Controller Operation

6 Controller Operation

This chapter discusses in detail how to operate the dry-well temperature con-

troller using the front control panel. Using the front panel key-switchesand

LED display the user may monitor the well temperature, set the temperature

set-point in degrees C or F,monitor the heater output power, adjust the control-

ler proportional band, and program the calibration parameters, operating pa-

rameters, and serial interface configuration.Operation of thefunctions and

parameters are shown in the flowchartin Figure 4 on page 20. This chart may

be copied for reference.

In the following discussion a button with the word SET,EX IT,UP, or DOWN

indicates the panel button, while the dotted box indicates the display reading.

Explanations of the button or display reading are to the right of each button or

display value.

6.1 Well Temperature

The digital LED display on the front panel allows direct viewingof the actual

well temperature. This temperature value is normally shown on the display. The

units, C or F,of the temperature value are displayed at the right. For example,

100.00C Well temperature in degrees Celsius

The temperature display function may be accessed from any other function by

pressing and holding the “EXIT” button.

6.2 Temperature Set-point

The temperature set-point can be set to any value within the range and with res-

olution as given in the specifications.Be careful not to exceed the safe upper

temperature limit of any device inserted into the well.

Setting the temperature involves selecting the set-point memory and adjusting

the set-point value.

6.2.1 Programmable Set-points

The controller stores 8 set-point temperatures in memory.The set-points can be

quickly recalled to convenientlyset the calibrator to a previously programmed

temperature set-point.

Toset the temperature, first select the set-point memory. This function is ac-

cessed from the temperature display function by pressing “SET”. The number

of the set-point memory currently being used is shownat the left on the display

followed by the current set-point value.

100.00C Well temperature in degrees Celsius

19

6 Controller Operation

Well Temperature

Contents

Main Page Table of Contents 7 Digital Communication Interface . . . . . . . . . . . . . . . . 37 8 Test Probe Calibration . . . . . . . . . . . . . . . . . . . . . . 43 Page Figures and Tables 1 Before You Start 1.1 Introduction 1.2 Symbols Used Tabl e1 International Electrical Symbols 2 1.3 Safety Information 1.3.1 WARNINGS Page 1.3.2 CAUTIONS 1.4 Authorized Service Centers Page 2 Specifications and Environmental Conditions 2.1 Specifications -it 2.2 Environmental Conditions 9 2.3 Warranty 3 Quick Start 3.1 Unpacking 3.2 Set-up 3.3 Power 3.4 Setting the Temperature 4 Parts and Controls 4.1 Rear Panel 4.2 Front Panel 4.3 Top Panel 4.4 Constant Temperature Block Assembly 9011 Dual-Well Calibrator 16 Insert A Cold block insert shown (Hot block C insert includes eight 1/4" wells) 5 General Operation 5.1 Setting the Temperature 5.2 Changing Display Units Un= C 6 Controller Operation 6.1 Well Temperature 100.00C 6.2 Temperature Set-point 6.2.1 Programmable Set-points 20 SET Select Setpoint Adjust Setpoint Units C/F Scan On/Off Scan Rate Figure 4 Controller Operation Flow Chart Cold Side Only DO NOT CHANGE THESE VALUES S 6.3 Scan 6.3.1 Scan Control Sc=OFF Sc=On S 6.3.2 Scan Rate Sr=2.0 Sr=3.0 S 6.4 Temperature Display Hold 6.4.1 Switch Status 6.4.2 Scan Hold 6.5 Ramp and Soak Program Menu 20.00C S+U ProG S 6.5.1 Number of Program Set-points Pn=8 E Pf=1 Pf=4 6.5.5 Program Control P=OFF S 6.6 Set-point Resistance 99.222 6.7 Secondary Menu 6.8 Heater Power S+E SEC 12.0P 6.9 Proportional Band S+E SEC 12.0P S ProP 4.1 10.0 S 6.10 Controller Configuration 6.11 Operating Parameters PAr 6.12 High Limit S 6.13 Serial Interface Parameters Page 6.13.4 Linefeed (cold side only) LF LF=On LF=OFF 6.14 Calibration Parameters CAL Page S Page 7 Digital Communication Interface 7.1 Serial Communications 7.1.1 Wiring 7.1.2 Setup Page 7.1.3 Serial Operation 7.2 Interface Commands 40 Tabl e 2 Controller Communications Commands 41 7 Digital Communication Interface Interface Commands Controller Communications Commands continued 42 Controller Communications Commands continued 8 Test Probe Calibration 8.1 Calibrating a Single Probe 8.2 Dry-well Characteristics 8.2.1 Stabilization and Accuracy Page 9 Calibration Procedure 9.1 Calibration Procedure 9.1.1 Calibration Equipment 9.1.2 Calibration Page 10 Maintenance 11 Troubleshooting 11.1 Troubleshooting Problems, Possible Causes, and Solutions 11.2 CE Comments 11.2.1 EMC Directive 11.2.2 Low Voltage Directive (Safety)