Omron ACCURAX G5 User Manual page 137

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