Electrical Design
‑92‑
on the MD580 series AC drive, so that the AC drive can work as a slave on the
PROFINET I/O Industrial Ethernet and be controlled by a PROFINET I/O Industrial
Ethernet master. This effectively improves system communication efficiency and
enriches the networking functions of the MD580 series AC drive.
Features:
● Supports up to 100 Mbit/s bus communication rate. The communication period is
short.
● Provides flexible networking and supports almost all types of topologies: chain,
bus, tree, and star.
● Uses a distributed clock and exchanges data using a pure‑hardware mechanism,
effectively the timing accuracy of data exchange.
● Supports direct installation in the extension slot of the MD580 AC drive without
requiring an external power supply, which is convenient.
3.5.4.2 Electrical Connection
The MD580‑SI‑PN1 uses a standard Ethernet RJ45 socket for connection to a
PROFINET master. The pin signal definitions are the same as those of the standard
Ethernet pins. It supports both crossover and straight‑through cabling modes.
Electrical connection for chain networking
Figure 3‑35 Electrical connection diagram for chain networking
No. Name
①
MD580 AC drive
②
MD580‑SI‑PN1 Industrial Ethernet module
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