
3 -6
3
Setup
Command pulse input
Command direction input
Pin No. A15, B15, A16, B16 (I/O.CN) Pulse input
[Function]
• The input type of these signals is changed by setting PRM64 (Input type)
H
H
H L
L
L
L H
Logic
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
A15: PULS+
B15: PULS-
A16: DIR+
B16: DIR-
Positive
logic
Negative
logic
PRM64
1
2
3
1
2
3
Phase A / Phase B
Pulse code
CW / CCW
Phase A / Phase B
Pulse code
CW / CCW
Command pulse format Input pin CW direction CCW direction
* Change to positive or negative logic with the PRM66 (Input pulse logic) parameter.
* When "phase A / phase B" input is selected, 1×, 2× or 4× are selectable with the
PRM65 (Input pulse evaluation) parameter.
In-position output (IN-POS) Pin No. B11 (I/O.CN) Sequence output
• Sets to ON when deviation counter accumulated pulses are within the setting by PRM6
(positioning completed pulse).
• Sometimes continually remains ON, when command speed is low or PRM6 is a large
value.
Servo ready output (SRDY) Pin No. A12 (I/O.CN) Sequence output
• Turns ON with servo input at ON, when command pulse inputs can be accepted.
* Sets to OFF when pulse inputs are prohibited by INH input.
* Sets to OFF while return-to-origin is run by ORG-S input.
Alarm output (ALM) Pin No. B12 (I/O.CN) Sequence output
• Sets to OFF when SRCP/SRCD series controller detects an error.
• Sets to OFF during emergency stop.
3-2 I/O specifications and wiring
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