Product Information
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1 Product Information
1.1 Applicable AC Drive
Expansion Card Applicable AC Drive
MD500‑EM1
MD500‑PLUS
MD520
1.2 Product Introduction
The MD500 series communication expansion cards (hereinafter MD500‑EM1 card)
conform to Modbus‑TCP protocol and feature high efficiency, flexible topology, and
easy operation. It is intended to be installed in the MD series AC drives to increase the
communication efficiency and achieve networking of the drives, allowing the drive to
act as a fieldbus slave controlled by the fieldbus master.
The software version of MD500‑EM1 card required in this user guide is 1.00 or above.
The software version can be obtained by checking parameter U0‑67 on the drive after
the card is installed and powered on. This user guide is applicable only to the MD500
and MD520 series AC drives. If you want to use the MD500‑EM1 card on other AC
drives, contact our technical engineers to confirm whether it works.
1.3 Appearance and Dimensions
Figure 1‑1 Appearance of MD500‑EM1 card
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