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6 Related Drive Parameters
• Daisy-Chained Topology
Use the communication connectors CN1A (Port 1) and CN1B (Port 2) at the same time. A switch is not
necessary for this connection.
Note:
• This option does not support STP and RSTP.
• To use this option in a ring topology, prepare a separate device that supports STP and RSTP in the same network.
• If the link speed of Port 1 is different than the link speed of Port 2, it will trigger a PA1 [PLC Alarm 1] and the drive will not send data
between the ports. To prevent this alarm, set F7-14 = 1 [Duplex Mode Selection = Auto/Auto (Auto Negotiation/Auto Negotiation)] and
set the two connected nodes to the same link speed, set the two connected nodes to the same speed, and make sure that F7-15 ≠ 101 or
102 [Communication Speed Selection ≠ 10/100 Mbps (10 Mbps/100 Mbps) or 100/10 Mbps (100 Mbps/10 Mbps)].
A - PLC
B - Switch
6
Related Drive Parameters
These parameters set the drive for operation with the option. Make sure that the parameter settings in this table are
correct before you start network communications.
Note:
• Hex.: MEMOBUS addresses that you can use to change parameters over network communication are represented in hexadecimal
numbers.
• Expert: The parameter that is available in Expert Mode only. When A1-01 = 3 [Access Level Selection = Expert Level], Expert Mode
parameters can be displayed on and set with the keypad.
No.
Name
(Hex.)
b1-01
Frequency Reference
Selection 1
(0180)
b1-02
Run Command Selection 1
(0181)
20
Figure 5.9 Communication Cable Wiring
Selects the input method for frequency reference.
0 : Keypad
1 : Analog Input
2 : Memobus/Modbus Communications
3 : Option PCB
4 : Pulse Train Input
Note:
• Set b1-01 = 3 to use the master device to control the frequency reference of the drive.
• The default setting is different for different drives. Refer to the instruction manual of your
specific drive for more information.
Sets the input method for the Run command.
0 : Keypad
1 : Digital Input
2 : Memobus/Modbus Communications
3 : Option PCB
7 : AUTO Command + Term Run
8 : AUTO Command + Serial Run
9 : AUTO Command + Option Run
C - Drive
Description
YASKAWA SIEP C730600 0IB Modbus TCP/IP Technical Manual
Default
(Range)
1
(0 - 4)
1
(0 - 9)
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