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■
External Power Supply Input Terminals
Refer to
Table 10.4
for a list of the functions of the external power supply input terminals.
Type
External Power Supply Input
Terminals
■
Serial Communication Terminals
Refer to
Table 10.5
for a list of serial communication terminals and functions.
Type
Modbus Communication
◆
Control Circuit Terminal Configuration
The control circuit terminals are in the positions shown in
A - Terminal block (TB5)
B - Terminal block (TB2-3)
C - Terminal block (TB2-2)
D - Terminal block (TB2-1)
The tightening torque for the terminal screws is shown on the reverse side or the lower front side of the front cover.
YASKAWA TOEPC71061782C GA800 Drive Installation & Primary Operation
Table 10.4 External Power Supply Input Terminals
Terminal
Name (Default)
PS
External 24 V power supply input
AC
External 24 V power supply ground
Table 10.5 Serial Communication Terminals
Terminal
Terminal Name
Communication
MEMOBUS/Modbus communications
D+
input/output (+)
Use an RS-485 cable to connect the drive.
Communication
D-
output (-)
0 V
AC
Shield ground
Figure 10.1 Control Circuit Terminal Arrangement
Supplies backup power to the drive control circuit, keypad, and option board.
21.6 VDC to 26.4 VDC, 700 mA
0 V
Function (Signal Level)
Note:
Set DIP switch S2 to ON to enable the
termination resistor in the last drive in a
MEMOBUS/Modbus network.
Figure
10.1.
E - Terminal block (TB1)
F - Terminal block (TB3)
G - Terminal block (TB4)
10 Drive Start-Up
Function
• RS-485
• MEMOBUS/Modbus communication protocol
• Maximum 115.2 kbps
43
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