Lake Shore 370, Руководство пользователя

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Lake Shore Model 370 AC Resistance Bridge User’s Manual
TABLE OF CONTENTS (Continued)
Chapter/Paragraph Title Page
3.5.4 Scanner Output Connector Definition ............................................................................................ 3-8
3.5.5 Scanner Output Cabling ................................................................................................................. 3-9
3.5.6 Scanner Control Connector Definition .......................................................................................... 3-10
3.5.7 Scanner Control Cabling .............................................................................................................. 3-10
3.5.8 Using the Scan Control Signals Without A Scanner ..................................................................... 3-10
3.5.9 Scanner Mounting Bracket ........................................................................................................... 3-11
3.6 MONITOR AND REFERENCE OUTPUTS ...................................................................................... 3-12
3.6.1 Monitor Voltage Output ................................................................................................................ 3-12
3.6.2 Reference Voltage Output............................................................................................................ 3-12
3.7 CONTROL HEATER OUTPUT ........................................................................................................ 3-12
3.7.1 Heater Output Isolation ................................................................................................................ 3-12
3.7.2 Heater Output Connection ........................................................................................................... 3-13
3.7.3 Heater Output Cabling ................................................................................................................. 3-13
3.7.4 Calculating Control Heater Power ................................................................................................ 3-13
3.7.5 Heater Output Protection ............................................................................................................. 3-13
3.7.6 Boosting Heater Power Above 1W ............................................................................................... 3-14
3.8 ANALOG OUTPUT AND STILL HEATER OUTPUT ........................................................................ 3-14
3.8.1 Analog Output Connections ......................................................................................................... 3-14
3.8.2 Calculating Still Heater Power ...................................................................................................... 3-14
3.8.3 Calculating Still Heater Current .................................................................................................... 3-14
3.9 RELAY CONNECTION .................................................................................................................... 3-15
3.10 RACK MOUNTING .......................................................................................................................... 3-15
4 OPERATION ........................................................................................................................................................... 4-1
4.0 GENERAL ......................................................................................................................................... 4-1
4.1 TURNING POWER ON ..................................................................................................................... 4-1
4.2 DISPLAY DEFINITION ...................................................................................................................... 4-1
4.2.1 Reading Display ............................................................................................................................. 4-2
4.2.2 Display
Update Indicator ................................................................................................................ 4-2
4.2.3 Range, Excitation and Power ......................................................................................................... 4-2
4.2.4 Display and LED Annunciators ...................................................................................................... 4-2
4.2.5 Temperature Control Display ......................................................................................................... 4-3
4.3 KEPAD DEFINITION ......................................................................................................................... 4-3
4.3.1 Key Descriptions ............................................................................................................................ 4-3
4.3.2 General Keypad Operation ............................................................................................................ 4-4
4.4 DISPLAY SETUP .............................................................................................................................. 4-4
4.4.1 Display Setup and Units Selection ................................................................................................. 4-4
4.4.2 Display Resolution ......................................................................................................................... 4-6
4.4.3 Display Brightness ......................................................................................................................... 4-6
4.5 EXCITATION MODES, RESISTANCE RANGE, AND AUTORANGE ............................................... 4-6
4.5.1 Voltage Excitation Mode ................................................................................................................ 4-7
4.5.2 Current Excitation Mode ................................................................................................................ 4-7
4.5.3 Turning Excitation Off .................................................................................................................... 4-8
4.6 INPUT SETUP ................................................................................................................................... 4-8
4.6.1 Channel Selection .......................................................................................................................... 4-9
4.6.2 Scanner Dwell Time ....................................................................................................................... 4-9
4.6.3 Change Pause Time ...................................................................................................................... 4-9
4.6.4 Selecting a Temperature Response Curve .................................................................................. 4-10
4.6.5 Temperature Coefficient .............................................................................................................. 4-10
4.6.6
Turning A Channel On or Off ....................................................................................................... 4-10
4.7 INSTRUMENT SETUP .................................................................................................................... 4-11
4.7.1 Frequency
Selection .................................................................................................................... 4-11
4.7.2 Active Common Mode Reduction ................................................................................................. 4-11
4.7.3 Guard Drive .................................................................................................................................. 4-11
4.7.4 Monitor Output Selection ............................................................................................................. 4-12
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