When Input Signal Of The Upper Device Is Optocoupler Input; Ai Signals; Ai Signal Description - Inovance IS620P Series User Manual

Chapter 3 Wiring of Servo System
The following figures are examples of wrong connection.
Servo drive
b) When input signal of the upper device is optocoupler input:
Servo drive
The maximum allowable voltage and current of the optocoupler output circuit inside the
servo drive are as below:
Maximum voltage: 30 VDC
Maximum current: DC 50 mA

3.3.2 AI Signals

Table 3-13 AI signal description
Default
Signal
Function
AI2
Analog
AI1
GND
Speed and torque analog signal input terminals are AI1 and AI2, resolution of which is 12 bit.
Corresponding voltage values are set via parameters of H03 group.
Input voltage range: -10 to +10 V; resolution: 12 bit;
Maximum allowable voltage: ±12 V;
Input impedance: ≈ 9 kΩ
5-24 VDC
7 DO1+
6 DO1-
5-24 VDC
Opto-coupler
7 DO1+
6 DO1-
Pin No. Function Description
18 Common analog input signals:
Resolution: 12 bit
20
Input voltage: maximum ±12V
19 Analog input signal ground
-10 to 10 V
-10 to 10 V
Servo drive
No relay
connected
Servo drive
5-24 VDC
7
DO1+
6 DO1-
Servo drive
≈ 9 kΩ
AI1 20
≈ 9 kΩ
AI2 18
GND 19
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IS620P User Manual
5-24 VDC
Relay
7
DO1+
Wrong polarity of
flywheel diode
6 DO1-
No current-limit
resistor connected
Opto-coupler