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13.5 Mitsubishi ASD Protocol
•
The gateway acts as a Mitsubishi protocol master via its RS-485 ports.
Adjustable speed drives such as the FR-A500/E500/F500 series and F700-
series that support the Mitsubishi protocol can be accessed. Also
supported are MGI Technologies, Inc. M3000, M4000 and M5000-series
drives that support the Mitsubishi protocol.
•
For 500-series drives, the gateway can connect to the ASD via either the
PU (panel) connector, or via an optional FR-A5NR computer link board.
Because the ASDs externally present a 4-wire RS-485 network, connecting
them to the gateway requires jumpering the network wires for 2-wire format
(i.e. connecting SDA-RDA and SDB-RDB).
When Using an FR-A5NR Card
Connect as shown in Figure 28.
When Using the PU Port
Connecting to the drive's RJ-45 PU port will likely require building a custom
cable. For simplicity, a standard 8-conductor Ethernet patch cable can be
used as a starting point. There are two standard color schemes for the
wire pairs in such cables as defined by the Electronic Industry Association /
Telecommunications Industry Association (EIA-TIA). These two standards
are called T-568B and T-568A (refer to Figure 29). The most common
color scheme is T-568B, and will therefore be the one used for this
example connection. If starting with a cable wired according to the T-568A
specification, just interchange the colors to achieve the same pin
connections.
A
(TB:2)
(TB:1)
Figure 28: FR-A5NR Connections
54
B
Signal
Ground
(TB:3)
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