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Appendix A-2. Extension card installation
Note:
(1) There will be an ABCD letter mark under each card slot of the inverter to identify the card slot type,
which corresponds to the ABCD on the expansion card. Only when the letters on the expansion card
and under the card slot of the inverter are the same, can they be installed and used normally.
(2) Each card slot has an anti misinsertion mechanism, and the expansion that does not match the card slot
cannot be installed normally.
(3) The screw post directly below the expansion card is used to ground the expansion card.
Appendix A-3. IO extension card
Appendix A-3-1. VH6-A100 (slot A IO card)
Overview
VH6-A100 is slot A extension card which is installed when out of factory. Its IO function and points can meet
the general field use. It has 1 channel RS485 communication, 2 channels AI, 1 channel AO, 4 channels bipolar
input, 1 channel YT and 1 channel YR.
VH6-A100 specifications
Supply 24V power supply for input terminal X. max
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