Yaskawa AC Drive P1000 Bypass Technical Manual - Manual (Page 341)

F.2 Connecting to a Network
u Network Cable Connection
Follow the instructions below to connect the bypass to a MEMOBUS/Modbus network.
Note: Separate the communications cables from the main circuit cables and other wiring and power cables. Use shielded cables for the
communication cables and properly shielded clamps to prevent problems from electrical interference.
• With the power shut off, connect the communications cable to the bypass controller board A2 and the master. Use the terminal
TB3 for MEMOBUS/Modbus.
TB3
4
3
2
1 SHLD
TXRX-
TXRX+
IG5
Shield
Transmit/Receive (-)
Transmit/Receive (+)
Isolated Ground Reference
Figure F.1 Serial Communications Cable Connection Terminal (TB3)
• Check or set the termination resistor selection at all slaves. Use the description in the Network Termination section for slaves
that are P1000 Bypasses.
• Switch power on.
• Set the parameters need for serial communications (Z3-01 through Z3-11) 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.
F.2 Connecting to a Network
YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual 341
F
Apogee FLN Network Protocol