7.4.2 Reassembly of the Tube Fittings ......................................................................................................... 37
7.5 THERMOSTAT ............................................................................................................................................. 38
7.6 SPARE WINDOWS ....................................................................................................................................... 40
7.7 INDUSTRIAL POWER SUPPLY ...................................................................................................................... 41
7.8 RS485 INTERFACE KIT................................................................................................................................ 41
7.8.1 RS485 Cable Extension ...................................................................................................................... 43
7.9 OUTPUT MODULES ..................................................................................................................................... 44
7.9.1 General Specification .......................................................................................................................... 44
7.9.2 Dimensions ......................................................................................................................................... 45
7.9.3 Wiring ................................................................................................................................................ 46
7.9.4 RS232/485 Converter 7520 ................................................................................................................ 47
7.9.5 Output Module 7024, analog ............................................................................................................. 48
7.9.6 Output Module 7042, digital ............................................................................................................. 48
7.9.7 Output Module 7043, digital ............................................................................................................. 49
7.9.8 Output Module 7045, digital ............................................................................................................. 49
7.9.9 Output Module 7067, Relay ............................................................................................................... 50
7.10 ALARM MODULE ...................................................................................................................................... 51
8 MAINTENANCE ............................................................................................................................................ 52
8.1 CLEANING THE WINDOW .......................................................................................................................... 52
8.2 REPLACING THE WINDOW ......................................................................................................................... 52
9 TROUBLESHOOTING ................................................................................................................................. 54
10 APPENDIX..................................................................................................................................................... 57
10.1 DETERMINATION OF EMISSIVITY .............................................................................................................. 57
10.2 TYPICAL EMISSIVITY VALUES ................................................................................................................... 57
INDEX