AS64 series AC servo drive Control modes
-50-
Sign
Pin
Signal
Function
PULS+
23
Position command
pulse input 1
⚫
In position control mode, the terminals function as
position command input terminals.
⚫
In other control modes, the terminals are invalid.
⚫
The maximum input pulse frequency is 4 MHz in
differential mode and 200 kHz in open collector
mode.
PULS-
24
OCS
31
Position command
pulse input 2
SIGN+
32
SIGN-
33
OCC
36
Input of clearing
residual pulses
CLR+
22
CLR-
18
4.4.6 Analog input signals and functions
Sign
Pin
Signal
Default
Input
Function
AD1
20
Analog input
1
0x03
Speed
command
⚫
AD1 and AD2 are accurate to 16 bits
for standard models (drive model code
suffixed with "-S" in the nameplate) and
to 12 bits for other models.
⚫
For external analog input terminals, the
input impedance is 10kΩ, and the input
voltage ranges from -10V to +10V. If
the voltage is ±11V less or greater, the
drive may be damaged.
⚫
The range, offset, and function
definition are configurable.
AD2
7
Analog input
2
0x04
Torque
command
GND
6
Signal ground
-
-
4.4.7 Encoder output signals and functions
Sign
Pin
Signal
Function
OA+
44
Phase-A output
⚫
The encoder signal that is frequency divided is
output, compliant with TIA/EIA-422-B.
⚫
The output phase-A pulse and phase-B pulse are still
orthogonal. In forward rotation, phase A leads phase
B by 90°. In reverse rotation, phase B leads phase A
by 90°.
⚫
The frequency can be divided or multiplied by any
integer or fraction.
OA-
43
OB+
41
Phase-B output
OB-
42
OZ+
28
Phase-Z output
OZ-
27
4.4.8 Analog output signals and functions
Sign
Pin
Signal
Function
AO1
21
Analog output 1
The output function definition, range, and offset are
configurable.
AO2
25
Analog output 2
