3.2 I/O Specifications and Terminal Wiring
3-7
Pin no.
Circuit
Signal
name
Items Description
1st/
3rd
axis
2nd/
4th
axis
A8 A17
Pulse
input A (+)
Input specifications
Operating voltage
range
3.5 to 5.25 V DC
(5 V DC, line driver
specifications)
B8 B17
Pulse
input A (-)
Minimum ON
voltage/current
3 V DC/3.2 mA
A9 A18
Pulse
input B (+)
Maximum OFF
voltage/current
1 V DC/0.5 mA
B9 B18
Pulse
input B (-)
Input impedance Approx. 390 Ω
Minimum input
pulse width
0.5 μs or over
(1 MHz max. on each
phase)
Note: Use pulse input signals A and B within the following specifications.
Using pulse input A and B for 2-phase input.
Pulser input is used for 2-phase input.
Using pulse input A and B for direction discrimination input.
Using pulse input A and B for individual input.
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