Switch On Termination Resistor For Memobus/Modbus Communications - YASKAWA GA800 Series Technical Reference

Terminal Types of Output Signals
Voltage output
(Default)
FM
Current output
Voltage output
(Default)
AM
Current output
◆

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.
Table 3.16 MEMOBUS/Modbus Communications Termination Resistor Setting
DIP Switch S2
OFF (Default)
YASKAWA SIEPC71061737B GA800 Drive Technical Reference
Jumper Switch S5
Figure 3.52 Location of DIP Switch S2
ON
Parameter
No.
0: 0 V to 10 V
1: -10 V to +10 V
H4-07
2: 4 mA to 20 mA
0: 0 V to 10 V
1: -10 V to +10 V
H4-08
2: 4 mA to 20 mA
Description
The built-in termination resistor is ON.
The built-in termination resistor is OFF.
3.6 Control I/O Connections
Signal Level
3
105