Yaskawa AC Drive Z1000 Bypass Technical Manual Manual do Utilizador descarregar pdf (Página 378)

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D.3 Connecting to a Network

This section explains how to connect the drive to a MEMOBUS/Modbus network and the network termination required for a

connection.

Network Cable Connection

Follow the instructions below to connect the bypass to a MEMOBUS/Modbus network.

With the power shut off, connect the communications cable to the bypass controller and the master. Use terminal TB3

for MEMOBUS/Modbus.

TB3

SHLD

TXRX-

TXRX+

IG5

Shield

Transmit/Receive (-)

Transmit/Receive (+)

Isolated Ground Reference

Figure D.2 Serial Communications Cable Connection Terminal (TB3)

Note: Separate the communications cables from the main circuit cables and other wiring and power cables. Use shielded cables for

the communications cables, and properly shielded clamps to prevent problems caused by electrical interference.

Check or set the termination resistor selection at all slaves. Use the description in Network Termination on page

359 for slaves that are Z1000 Bypasses.

Switch the power on.

Set the parameters needed for serial communications (Z3-01 through Z3-07) using the digital operator.

Shut the power off and wait until the display on the digital operator goes out completely.

Turn the power back on.

The bypass is now ready to begin communicating with the master.

D.3 Connecting to a Network

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