Basic Functions; Changing The Reference Source; How To Change The Reference Source; Using Parameters To Select The Command/Reference Source - YASKAWA SI-C3 Technical Manual

Ac drive option cc-link
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No.
Name
(Hex.)
F6-10
CC-Link Node Address
(03B6)
(For Drive, D1000)
F6-11
CC-Link Communication
Speed
(03B7)
(For Drive, D1000)
F6-14
BUS Error Auto Reset
(03BB)
(For Drive, D1000)
7

Basic Functions

This product is a communication interface to operate, adjust, and monitor the drive as CC-Link remote station
with a PLC program. You can use cycle transmission of bit data and word data, which enables high-speed
communication at up to 10 Mbps.
This section explains the basic functions to operate using a PLC by CC-Link communication function.
Note:
First, set the parameters to operate the drive using a PLC . Refer to

Changing the Reference Source

You can use a PLC to operate/stop the drive and set/change the operating frequency for the drive.
To do these operations from the PLC, you must first set the Run command source, frequency reference source, or
voltage reference source for the drive on the PLC side.

How to Change the Reference Source

You can use one of these methods to change the reference source:

• Using Parameters to Select the Command/Reference Source

• Using the External Terminals to Change the Command/Reference Source
• Using a PLC as the Command/Reference Source
Using Parameters to Select the Command/Reference Source
Selecting the Run Command Source
Set b1-02 = 3 [Run Command Selection 1 = Option PCB].
Selecting the Frequency Reference Source
Set b1-01 = 3 [Frequency Reference Selection 1 = Option PCB].
Selecting the Voltage Reference Source
Set b1-18 = 3 [Voltage Reference Source = Option PCB].

Using the External Terminals to Switch the Command/Reference Source

Selecting the Run Command Source 2
Set b1-16 = 3 [Run Command Selection 2 = Option PCB].
YASKAWA SIEP C730600 83E CC-Link Technical Manual
Sets the node address for CC-Link communication. Change the parameter then cycle power on the
drive.
Note:
• All station addresses must be unique. Do not set this parameter to 0. Incorrect parameter
settings will cause AEr [Station Address Setting Error] errors and the L.ERR LED on the
option will illuminate.
• You can connect up to 42 nodes when all connections are drives. Follow these rules to
connect devices that are not drives:
–{(1 × a) + (2 × b) + (3 × c) + (4 × d)} ≤ 64
a : number of drives that occupy 1 node
b : number of drives that occupy 2 nodes
c : number of drives that occupy 3 nodes
d : number of drives that occupy 4 nodes
–{(16 × A) + (54 × B) + (88 × C)} ≤ 2304
A : number of remote I/O nodes (64 max)
B : number of remote device nodes (42 max)
C : number of local nodes (26 max)
Sets the communication speed for CC-Link communication. Change the parameter then cycle
power on the drive.
0 : 156 kbps
1 : 625 kbps
2 : 2.5 Mbps
3 : 5 Mbps
4 : 10 Mbps
Sets the automatic reset function for bUS [Option Communication Errors].
0 : Disabled
1 : Enabled
Description
Related Drive Parameters on page 23
7 Basic Functions
Default
(Range)
0
(0 - 64)
0
(0 - 4)
0
(0, 1)
for more information.
25

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