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3-1 Driver Specifications
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
3
Specifications
Connection of External Encoder Input Signal and Processing of External Signals
External Encoder Input Signals List
External encoder I/O (CN4)
* Connect external encoder signals to the serial interface (+EXS/−EXS) or 90° phase difference input
according to the encoder type.
Phase A
Photocoupler input
+
EXA
+
EXS
E0V
E5V
5 V
−
EXS
−
EXA
5
1
2
3
4
6
4.7 k
Ω
1.0 k
Ω
Phase B
Photocoupler input
+
EXB
−
EXB
7
8
4.7 k
Ω
1.0 k
Ω
Phase Z
Photocoupler input
+
EXZ
−
EXZ
9
10
4.7 k
Ω
1.0 k
Ω
Shell
FG
FG
GND
External encoder power supply output
52 V
±
5%
250 mA max
Serial number
Pin
number
Symbol Name Function and interface
1 E5V External encoder power
supply output
External encoder power supply 5.2 VDC ± 5%, 250
mA max.
If the above capacity is to be exceeded, provide a
separate power supply.
2E0V
3 +EXS External encoder signal
Serial interface
This is an external encoder serial bi-directional
signal.*(Conforming to EIA485)
Maximum response frequency 400 Mpps
4 −EXS
5 +EXA
External encoder signal
90° phase difference input
(Phases A, B and Z)
This is an external encoder 90 phase input signal.*
Maximum response frequency 4 Mpps (quadruple
multiplier)
6 −EXA
7 +EXB
8 −EXB
9 +EXZ
10 −EXZ
EXA
EXB
t1
t1
t1
t1
t2
t1>0.25 μs
t2>1.0 μs
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