Inovance IS620P Series - Page 59

Chapter 3 Wiring of Servo System IS620P User Manual
- 58 -
The following gures show the wrong wiring examples:
Wrong connection 1: The current-limiting resistor is not connected, resulting in burnout of
terminals.
Servo drive
PULSE+
PULSE-
35
41
43
240 Ω
PULLHI
SIGN+
SIGN-
37
39
240 Ω
2.4 kΩ
2.4 kΩ
COM
VCC
Current-limit resistor
not connected
Wrong connection 2: Multiple terminals share the same current-limiting resistor, resulting in the
pulses receiving error.
Servo drive
PULSE+
PULSE-
35
41
43
240 Ω
PULLHI
SIGN+
SIGN-
37
39
240 Ω
2.4 kΩ
2.4 kΩ
COM
VCC
Multiple terminals share the
same current-limit resistor
Wrong connection 3: SIGN terminals are not connected, resulting in that these two terminals
receive no pulses.
Servo drive
PULSE+
PULSE-
35
41
43
240 Ω
PULLHI
SIGN+
SIGN-
37
39
240 Ω
2.4 kΩ
2.4 kΩ
COM
R1
VCC
SIGN terminals
not connected