Omron CJ1W-MA - REV 10-2008, Руководство по эксплуатации

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46
External I/O Circuits Section 3-3
Control I/O Signals
The following tables show the names and functions of the Servo Drive's con-
trol I/O signals.
CN1 Control Input Signals
Control Input Circuit
Note (1) If the limit input signal inputs (Servo Drive's forward drive prohibited sig-
nal and reverse drive prohibited signal) are not allocated, the Servo Drive
will not stop the Servomotor when the signal is input, and the Position
Control Unit will also not detect limit inputs as errors. When using a Posi-
tion Control Unit, always allocate the Servo Drive's forward drive prohib-
ited signal and reverse drive prohibited signal to enable use of the limit
input signals. (Refer to
6-4 Standard Settings for Servo Drives Using
MECHATROLINK .)
(2) The signal width of the limit input signals (forward drive prohibited signal
and reverse drive prohibited signal) and origin proximity input signal (ori-
gin return deceleration limit switch) must be longer than the MECHA-
TROLINK communications cycle. If the input signal width is shorter than
the communications cycle, the Position Control Unit will be unable to de-
tect the input signal.
Pin
no. Signal Name Function/Interface Control
mode
40 --- Not used. This control input signal is not used with the standard set-
tings. ---
41 DEC Origin return deceleration
LS Used as the origin proximity input signal during the origin
search operation.
With the standard settings, the signal is enabled when ON.
Position
42 POT Forward drive prohibit
input (Positive overtravel) Used as the forward limit input.
With the standard settings, the input is normally closed and
operates as follows:
OFF: Drive prohibited ON: Drive allowed
All modes
43 NOT Reverse drive prohibit
input (Negative over-
travel) Used as the reverse limit input.
With the standard settings, the input is normally closed and
operates as follows
OFF: Drive prohibited ON: Drive allowed
All modes
44 EXT1 External latch 1 input Input signal used for external interrupts.
Used as an external interrupt input signal during interrupt
feeding or an external origin input signal during an origin
search.
With the standard settings, the signal is enabled when ON.
Position
45 EXT2 External latch 2 input
46 EXT3 External latch 3 input
47 +24VIN +24 VDC control power
supply This is the input terminal for the +24 VDC control input
power supply. All modes
Servo Drive
Photocoupler input (24 VDC, 7 mA) 3.3 k
3.3 k
47
40
To other input circuits
+24VIN
Minimum ON time: 2 ms
To other input circuits GND common
•
Signal levels ON: Min. voltage (+24VIN
−
11 V)
OFF: Max. voltage (+24VIN
−
1 V)
External power supply
24
±
1 VDC
Power supply capacity
50 mA min. (per Unit)