5.11 Laser Sighting Operation ........................................................................................................................ 102
5.12 Out of Range Displays and Error Codes ................................................................................................. 104
5.12.1 Summary ......................................................................................................................................... 106
6 RS-485 DIGITAL COMMUNICATIONS ................................................................................................. 107
6.1 Introduction ............................................................................................................................................... 107
6.2 Basic Operation ......................................................................................................................................... 107
6.3 Sensor Rear Panel Setup for RS-485 Communication .............................................................................. 108
6.3.1 CLCK – Communications Lock ......................................................................................................... 108
6.3.2 ADDR – Sets the Sensor Address ..................................................................................................... 108
6.3.3 BRAT – Baud Rate ............................................................................................................................ 108
6.4 Communication Protocol .......................................................................................................................... 108
6.4.1 Command Message Format ............................................................................................................... 108
6.5 Command Codes ....................................................................................................................................... 109
6.5.1 Introduction ...................................................................................................................................... 109
6.6 Engineering Function Command Codes .................................................................................................... 109
6.7 Analog Output Function Command Codes ............................................................................................... 112
6.8 Head Function Command Codes ............................................................................................................... 113
6.9 Measurement Condition and Alarm Command Codes .............................................................................. 115
6.9.1 Introduction ...................................................................................................................................... 115
6.10 Command Code Summary ...................................................................................................................... 117
7 MAINTENANCE .......................................................................................................................................... 119
7.1 Routine Maintenance ................................................................................................................................ 119
7.1.1 Maintenance Checklist ...................................................................................................................... 119
7.2 Sensor Optics Cleaning ............................................................................................................................. 119
7.2.1 Cleaning the Optics ........................................................................................................................... 120
7.2.2 Restoring the Sensor to Operation .................................................................................................... 120
7.3 Servicing ................................................................................................................................................... 121
7.4 Factory Calibration and Service ................................................................................................................ 121
7.5 Measurement Condition Displays, Error Codes and Troubleshooting ...................................................... 122
7.6 Status Displays and Error Code Details .................................................................................................... 124
7.6.1 Troubleshooting ................................................................................................................................. 127
8 APPLICATIONS GUIDE ............................................................................................................................ 129
8.1 Introduction ............................................................................................................................................... 129
8.2 Analog Outputs ......................................................................................................................................... 129
8.2.1 Analog Output Range Scaling Example ........................................................................................... 130
8.2.2 Measured Temperature Calculations ................................................................................................ 130
8.2.3 Analog Output Operation Notes ...................................................................................................... 131
8.3 Response Time .......................................................................................................................................... 131
8.3.1 Description ........................................................................................................................................ 131
8.3.2 Determining Response Time to Use .................................................................................................. 132
8.4 Emissivity Settings .................................................................................................................................... 133
8.4.1 Using Emissivity Tables ................................................................................................................... 133
8.4.2 Using Emissivity Thermocouple Test ............................................................................................... 134
8.4.3 Setting the Emissivity ....................................................................................................................... 134
8.4.4 Using Relative Readings ................................................................................................................... 134
8.4.5 Practical Limits on Emissivity .......................................................................................................... 134
8.5 Ratio Sensors............................................................................................................................................. 140
8.5.1 E-Slope Settings ................................................................................................................................ 140
8.5.2 Setting the E-Slope ............................................................................................................................ 141
8.6 Peak Picker Signal Conditioning ............................................................................................................... 141