11 Drive Control, Duty Modes, and Programming
YASKAWA
TOEPC7106170VA GA800 600 V Drive Installation & Primary Operation
47
Terminal
Types of Output Signals
Jumper Switch S5
Parameter
No.
Signal Level
FM
Voltage output
(Default)
H4-07
0: 0 V to 10 V
1: -10 V to +10 V
Current output
2: 4 mA to 20 mA
AM
Voltage output
(Default)
H4-08
0: 0 V to 10 V
1: -10 V to +10 V
Current output
2: 4 mA to 20 mA
■
Switch ON Termination Resistor for MEMOBUS/Modbus Communications
When the drive is the last slave in a MEMOBUS/Modbus communications, set DIP switch S2 to the ON position.
This drive has a built-in termination resistor for the RS-485 interface.
Figure 10.17 Location of DIP Switch S2
Table 10.10 MEMOBUS/Modbus Communications Termination Resistor Setting
DIP Switch S2
Description
ON
The built-in termination resistor is ON.
OFF (Default)
The built-in termination resistor is OFF.
11
Drive Control, Duty Modes, and Programming
◆
Selecting the Control Method
This section gives information about these basic control methods:
•
V/f Control (V/f)
•
Open Loop Vector Control (OLV)
Set the most applicable control method for your application.
A1-02 [Control Method Selection]
sets the drive
operation.
Control Method
A1-02
Main Applications
V/f
0
•
General variable-speed. Best method to operate more than one motor from one drive.
•
When motor parameters are not available.
OLV
2
(Default)
•
General variable-speed
•
High precision and high speed response without speed feedback