M Series AC Servo
User Manual
54
Rev. 1.0
7/31/2019
400-820-9661
4.8.4.3 Y3、Y4 Connection Examples
42
Y3
43
Y4
OUT-
33
24VDC
0VDC
4.8.5 Encoder Feedback Output
M2 series AC servo drive can output encoder A/B/Z phase as differential output signals through line driver.
The output signal is 5V, A/B signals are 10000 pulse/rev, Z signal is 1 pulse/rev.
The host must use line receiver to receive the signals. Please use twist pair wires for signal transfer.
4.8.5.1 A/B/Z Connection Diagram
Host Controller
A+
Servo Drive
A-
B+
B-
Z+
Z-
AOUT+
AOUT-
BOUT+
BOUT-
ZOUT+
ZOUT-
FG FG
21
22
48
49
23
24
DGND
25
50
DGND
NOTE: Please make sure the host controller and the servo drive are connected to a common
ground.
4.8.5.2 Z Phase Open Collector Output
In M2 series AC servo drive, encoder signal Z uses open collector output circuitry. Due to the narrow
bandwidth of encoder signal Z, please use high speed optocoulper circuitry for the host receiver.
CZ
DGND
0VDC
24VDC
Servo Drive
19
15
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