FANUC Power Mate i-MODEL H CONNECTION MANUAL (HARDWARE)

9. CONNECTION TO SERVO OR SPINDLE
B63173EN/03
352
Aphase signal
Movement in the posi-
tive direction
Bphase signal
Aphase signal
Movement in the negative
direction
Bphase signal
The differential input signals shown below are applied to the
connectors. The time duration, TD, from point α where the relative
potential difference between A and *A becomes 0.5 V or more, to
point β where the relative potential difference between B and *B
becomes 0.5 V or less, must satisfy the condition indicated below.
(This condition may restrict the maximum speed of movement.)
0. 5V
A / *A
*A / A
b
B / *B
*B / B
T
D
T
D
y
280ns
a
0. 5V
D Zphase signal (Z, *Z)
The Zphase signal (onerotation signal) requires a signal width of
no less than one period of the Aphase or Bphase signal.
If the motor does not have this signal, ensure that the machine
supplies this signal.
An absolute pulse coder supports the following reference position
setting modes, which do not use the Zphase signal:
1 External reference position setting
2 Butttype reference position setting

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