C.3 connecting to a network, Network cable connection, Wiring diagram for multiple connection – Yaskawa L1000E AC Drive Technical Manual for CIMR-LE Models for Elevator Applications User Manual
Page 420: Rs-485 interface, Y e a _ c o m, C o m - mon_ tmonly
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YASKAWA ELECTRIC SIEP YAIL1E 01A YASKAWA AC Drive L1000E Technical Manual
C.3 Connecting to a Network
C.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 drive to a MEMOBUS/Modbus network.
1.
With the power shut off, connect the communications cable to the drive and the master. Use terminals R+/S+ and
R–/S– for MEMOBUS/Modbus.
Figure C.2
Figure C.2 Serial Communications Cable Connection Terminals
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 with noise. When using RS-485 communications,
connect S+ to R+, and S- to R- as shown in the diagram below.
2.
Check or set the termination resistor selection at all slaves. Use the description in
for slaves that are L1000E drives.
3.
Switch the power on.
4.
Set the parameters needed for serial communications (H5-01 through H5-11) using the digital operator.
5.
Shut the power off and wait until the display on the digital operator goes out completely.
6.
Turn the power back on.
7.
The drive is now ready to begin communicating with the master.
◆ Wiring Diagram for Multiple Connection
and
explain the wiring diagrams for multiple connections using MEMOBUS/Modbus
communication.
■
RS-485 Interface
Figure C.3
Figure C.3 RS-485 Interface
Note: 1. Turn on the DIP switch on the drive that is located at the end of the network. All other slave devices must have this DIP switch set to
the OFF position.
2. Set H5-07 to 1 when using the RS-485 interface.
P
M
S–
S+
R–
R+
IG
Send (–)
Send (+)
Receive (–)
Receive (+)
Shield Ground
IG R+ R- S+ S-
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c o m -
Drive
Drive
Drive
S2
S2
S2
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
S–
S+
R–
R+
IG
R–
R+
S–
S+
IG
PLC
OFF
OFF
ON
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