Oriental motor BLH Series - Page 68

68
Modbus RTU control (RS-485 communication)
z
Internal input circuit
Driver 1
0 V
RS-485
∗1
GND
TR+
TR
-
GND
TR+
TR
-
120 Ω
1 kΩ
1 kΩ
5 V
0 V
0 V
TERM. TERM.
Driver 2
GND
TR+
TR
-
GND
TR+
TR
-
120 Ω
1 kΩ
1 kΩ
5 V
0 V
0 V
TERM. TERM.
Driver 15
GND
TR+
TR
-
120 Ω
1 kΩ
1 kΩ
5 V
0 V
0 V
TERM.
∗2 TERM. ∗2
*1
Termination resistor 120 Ω
*2
Turn the termination resistor ON.