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
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