External Power Supply Input Terminals; Serial Communication Terminals; Control Circuit Terminal Configuration - YASKAWA GA50U Series Installation & Primary Operation

8 Electrical Installation
Type
Monitor Output
■

External Power Supply Input Terminals

Refer to Table 8.7 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 8.8 for a list of serial communication terminals and functions.
Type Terminal
Modbus
Communication
◆

Control Circuit Terminal Configuration

The control circuit terminals are in the positions shown in
56
Table 8.6 Control Circuit Monitor Output Terminals
Terminal Name (Default)
Pulse train output
MP
(Output frequency)
Analog monitor output
AM
(Output frequency)
AC
Monitor common
Table 8.7 External Power Supply Input Terminals
Terminal Name (Default)
External 24 V power
PS
supply input
External 24 V power
AC
supply ground
Table 8.8 Serial Communication Terminals
Terminal
Name
Communica MEMOBUS/Modbus
D+ tion input/ communications
output (+)
Use an RS-485 cable to connect
the drive.
Communica
D- tion output
(-)
Shield 0 V
AC
ground
32 kHz (maximum)
Refer to "Pulse Train Output" (page 63) for more
information.
Select voltage or current output.
• 0 V to 10 V/0% to 100%
• 4 mA to 20 mA (Receiver recommended
impedance: 250 Ω)
Note:
Use jumper S5 and H4-07 [Terminal AM Signal
Level Select] to set the signal type.
0 V
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
YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation
Function (Signal Level)
Function
• RS-485
• MEMOBUS/Modbus
communication protocol
• Maximum 115.2 kbps
8.8.