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3. Connections and LED Indication
3.1 Connector P1 – Power & Control & Digital Outputs Connector
3.1.1 Pin Assignments of P1
The P1 connector in Figure 2 contains connections for control signals and 2 digital output.
See the following table for details.
PIN
I/O
VCC
I
GND
I
ALM-
O
ALM+
O
ENA-
I
ENA+
I
DIR-
I
DIR+
I
PUL-
I
PUL+
I
Notes:
(1) Shielding control signal wires is suggested.
(2)
To
avoid/reduce interference, do not tie control signal cables with the power cables/wires together.
3.1.2 Connection of Control Signals
The iCS series motor can accept differential and single-ended control signal inputs (open-collector and PNP output). It has 3
optically isolated control inputs, PUL, DIR, and ENA. Refer to the following two figures for connections of PNP and NPN
signals.
Figure 2: iCS series connectors
Details
Power supply positive connection. 20-36VDC power supply voltage
Power supply ground connection.
Alarm: An OC output signal. It takes a sinking or sourcing at 5-24V@30mA
Enable Signals: Optional,
not connected by default.
(1) Effective high level is 4.5-5V; Effective low level is 0-0.5V connection
(2) ENA signal requires advance DIR signal minimum 200ms in single pulse mode
Pulse and Direction Connection:
(1) Optically isolated, high level 4.5-5V, low voltage 0-0.5V.
(2) Max 200 KHz input frequency.
(3) The width of PUL signal is at least 2.5μs, duty cycle is recommended 50%.
(4) Single pulse (step & direction), iCS-23xx and iCS-24xx support double pulse
(CW&CCW), while iCS-17xx do not support.
(5) DIR signal requires advance PUL signal minimum 5 μs.
iCS Series Integrated Closed Loop Stepper Motor
3
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