Document Outline

• Table of Contents
  • 1 Before You Start 1
    • 1.1 Symbols Used 1
    • 1.2 Safety Information 2
      • 1.2.1 WARNINGS 2
      • 1.2.2 CAUTIONS 4
    • 1.3 Authorized Service Centers 5
  • 2 Introduction 7
  • 3 Specifications and Environmental Conditions 9
    • 3.1 Specifications 9
    • 3.2 Environmental Conditions 9
    • 3.3 Warranty 10
  • 4 Quick Start 11
    • 4.1 Unpacking 11
    • 4.2 Set-Up 11
    • 4.3 Power 11
    • 4.4 Setting the Temperature 12
  • 5 Parts and Controls 13
    • 5.1 Rear Panel 13
    • 5.2 Front Panel 14
    • 5.3 Constant Temperature Block Assembly 15
      • 5.3.1 Constant Temperature Block 15
      • 5.3.2 Probe Sleeves and Tongs 15
  • 6 General Operation 17
    • 6.1 Calibrator Set-Up 17
    • 6.2 Changing Display Units 17
    • 6.3 Switching to 230 V Operation 17
    • 6.4 Setting the Temperature 18
    • 6.5 Calibrating Probes 18
  • 7 Controller Operation 21
    • 7.1 Well Temperature 21
    • 7.2 Temperature Set-point 21
      • 7.2.1 Programmable Set-points 21
      • 7.2.2 Set-point Value 23
      • 7.2.3 Temperature Scale Units 23
    • 7.3 Scan 24
      • 7.3.1 Scan Control 24
      • 7.3.2 Scan Rate 24
    • 7.4 Temperature Display Hold 25
      • 7.4.1 Hold Temperature Display 25
      • 7.4.2 Mode Setting 25
      • 7.4.3 Switch Wiring 25
      • 7.4.4 Switch Test Example 26
    • 7.5 Secondary Menu 26
      • 7.5.1 Heater Power 26
      • 7.5.2 Proportional Band 27
    • 7.6 Controller Configuration 29
      • 7.6.1 Calibration Parameters 29
        • 7.6.1.1 R0 29
        • 7.6.1.2 ALPHA 30
        • 7.6.1.3 DELTA 30
    • 7.7 Operating Parameters 30
    • 7.8 Serial Interface Parameters 30
      • 7.8.0.1 Baud Rate 30
      • 7.8.1 Sample Period 31
        • 7.8.1.1 Duplex Mode 31
        • 7.8.1.2 Linefeed 32
  • 8 Digital Communication Interface 33
    • 8.1 Serial Communications 33
      • 8.1.1 Wiring 33
      • 8.1.2 Setup 33
        • 8.1.2.1 Baud Rate 34
        • 8.1.2.2 Sample Period 34
        • 8.1.2.3 Duplex Mode 34
        • 8.1.2.4 Linefeed 34
      • 8.1.3 Serial Operation 34
    • 8.2 Interface Commands 35
  • 9 Test Probe Calibration 39
    • 9.1 Comparison Methods 39
      • 9.1.1 Calibrating a Single Probe 39
      • 9.1.2 Comparison Calibration 39
      • 9.1.3 Calibration of Multiple Probes 40
    • 9.2 Dry-well Characteristics 40
      • 9.2.1 Vertical Gradient 40
      • 9.2.2 Heating and Cooling Rates 40
      • 9.2.3 Stabilization and Accuracy 41
  • 10 Calibration Procedure 43
    • 10.1 Calibration Points 43
    • 10.2 Calibration Procedure 43
      • 10.2.1 Compute DELTA: 43
      • 10.2.2 Compute R0 & ALPHA: 44
      • 10.2.3 Accuracy & Repeatability 45
  • 11 Maintenance 47
  • 12 Troubleshooting 49
    • 12.1 Troubleshooting Problems, Possible Causes, and Solutions 49
    • 12.2 CE Comments 50
      • 12.2.1 EMC Directive 50
      • 12.2.2 Low Voltage Directive (Safety) 50
• Figures
  • Figure 1 9140 Back Panel 13
  • Figure 2 9140 Front Panel 14
  • Figure 3 Inserts available for the 9140 block assembly 15
  • Figure 4 Controller Operation Flowchart 22
  • Figure 5 Well temperature fluctuation at various proportional band settings 27
  • Figure 6 Serial Cable Wiring 33
  • Figure 7 Typical Heating Rate 41
  • Figure 8 Typical Cooling Rate 41
• Tables
  • Table 1 International Electrical Symbols 1
  • Table 2 9140 controller communications commands 36
  • Table 3 9140 controller communications commands continued 37