Control Circuit Terminal Configuration - YASKAWA GA800 Series Technical Reference

3.5 Control Circuit Wiring
Main Circuit Power Supply
ON
ON
OFF
■
Serial Communication Terminals
Refer to Table 3.11 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.
96
Table 3.10 Power Supply and Alarm Display
External 24 V Power Supply
ON
OFF
ON
Table 3.11 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 (-)
AC Signal ground 0 V
Figure 3.36 Control Circuit Terminal Arrangement
o2-23
[External 24V Powerloss [Alarm Display at Ext. 24V
Detection]
-
0 [Disabled]
1 [Enabled]
-
-
Note:
Set DIP switch S2 to ON to enable the
termination resistor in the last drive in a
MEMOBUS/Modbus network.
Figure 3.36.
E - Terminal block (TB1)
F - Terminal block (TB3)
G - Terminal block (TB4)
YASKAWA SIEPC71061737B GA800 Drive Technical Reference
o2-26
Power]
-
-
- L24v [Loss of External Power 24
Supply]
0 [Disabled] "Ready" LED light flashes quickly
1 [Enabled] EP24v [External Power 24V
Supply]
Function (Signal Level)
• RS-485
• MEMOBUS/Modbus communication protocol
• Maximum 115.2 kbps
Alarm Display
-
-