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HIPOT Tester 19071/19072/19073 User’s Manual

xvi

4.5

IRR Calibration (IR Mode) ................................................................................. 4-10

4.5.1 Connection Diagram .............................................................................. 4-10

4.5.2 Insulation Resistance Calibration........................................................... 4-10

4.6 Ground Continue Calibration ............................................................................. 4-12

4.6.1 Connection Diagram .............................................................................. 4-12

4.6.2 Description of Ground Continue Calibration ........................................... 4-12

4.7 LCD Contrast Calibration .................................................................................. 4-13

4.8 Complete Calibration ........................................................................................ 4-13

5. RS485 Interface (For Link Model of 19073 + RS485)........................................... 5-1

5.1 Description of Function ....................................................................................... 5-1

5.2 Parameter Setting ............................................................................................... 5-1

5.3 Terminal and Pin Signal Connection.................................................................... 5-2

5.4 Communication Protocol ..................................................................................... 5-3

5.5 Command List ..................................................................................................... 5-4

5.6 Command Description......................................................................................... 5-4

5.7 Flow Diagram .................................................................................................... 5-24

6. RS232 Interface ..................................................................................................... 6-1

6.1 Guide .................................................................................................................. 6-1

6.2 Interface Specification ......................................................................................... 6-1

6.3 RS-232 Single Unit Connection for Parameter Setting ........................................ 6-1

6.4 Connector ........................................................................................................... 6-1

6.5 Method of Connecting ......................................................................................... 6-2

6.6 Communication Protocol ..................................................................................... 6-2

7. Maintenance .......................................................................................................... 7-1

7.1 General ............................................................................................................... 7-1

7.2 Instrument Return ............................................................................................... 7-1

Chroma 19071 User Manual

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