Sinee EM500 - APPENDIX VIII PHASE SEQUENCE EXPANSION CARD (EC-PSP-A1); Ⅷ.1 GENERAL; Ⅷ.2 INSTALLATION INSTRUCTIONS

EM500 Open-Loop Vector Control Inverter User Manual
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Appendix Ⅷ Appendix VII. Phase Sequence
Expansion Card (EC-PSP-A1)
Ⅷ.1 General
EC-PSPP-A1 card for EM500 series inverter control terminal expansion, which
contains the following resources:
Item
Specification
Description
Input
3 analog voltage signal input
Support 380V input only, used to
detect the phase angle of the grid
and the actual output phase angle of
the inverter phase angle difference
Output
2-way digital signal output
Used to control the frequency
converter to the signal output
Ⅷ.2 Installation Instructions

Please install the IO expansion card in the EC-A expansion slot (note the
installation is correct and snap in place).

Please remove IO expansion card in case of inverter power is completely
off
Figure 6 IO expansion card installation diagram
Align the I / O expansion card with the expansion slot interface and positioning
holes, with screws.