Set The Output Signal For The Mfao Terminal Am; Switch On Termination Resistor For Memobus/Modbus Communications - YASKAWA GA500 GA50U Series Programming Manual

5.4 Control I/O Connections
Note:
Use tweezers or a jig with a tip width of approximately 0.8 mm (0.03 in) to set DIP switches.
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Set the Output Signal for the MFAO Terminal AM

Set the signal type for terminal AM to voltage or current output. Use jumper S5 and H4-07 [Terminal AM Signal
Level Select] to set the signal type.
Terminal Types of Output Signals
Voltage output
(Default)
AM
Current output
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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 5.9 MEMOBUS/Modbus Communications Termination Resistor Setting
510
Figure 5.8 Location of Jumper Switch S5
Jumper S5
Figure 5.9 Location of DIP Switch S2
DIP switch S2
ON
OFF (Default)
No.
0: 0 V to 10 V
H4-07
2: 4 mA to 20 mA
The built-in termination resistor is ON.
The built-in termination resistor is OFF.
YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
Parameter
Signal Level
Description