Hitachi HIDIC EH-150 Applications Manual page 19

4.3 I/O Interface Specifications
I/O interface specifications of EH-POS are shown in the table below.
Items
CW/CCW Pulse line Output
Output CK/Sign Pulse line Output
Max. leak current
Max. ON drop voltage
Input voltage
Input Impedance
Input current
Input
Operating
Voltage
Input delay
Polarity
Isolation method
Min. ON voltage
Max. OFF voltage
ON to OFF
OFF to ON
Chapter 4 Function and Performance Specifications
Specification
Opto-isolated open collector transistor (max.30 V DC,
30 mA Resistor Load)
Opto-isolated line driver output (5 V DC)
100 µA or less
0.8 V (at output current = 30mA)
10.8 to 30 V DC
Approx. 2.2 kΩ
Approx. 10 mA(24 V DC)
9 V
3.6 V
1 ms or less
1 ms or less
Only input of encoder signal is Plus common, others none
By photo-coupler
4-
3