AH Motion – Hardware Manual
4-60
Wiring the Differential Input Terminals
The direct-current signals ranging in voltage from 5-24 VDC can pass through the high-speed input terminals
X0.0+~X0.3+, X0.0-~X0.3-, X0.8+~X0.15+, and X0.8-~X0.15- on AH20MC-5A. The frequency of input signals can be up
to 200 kHz. These high-speed input terminals are connected to a differential (two-wire) line driver.
Wiring differential input terminals (The wiring below is used for high speed and high noise.)
A-
A
B-
B
Encoder output
high-speed input
AH20MC-5A
Transistor Output Circuit
Transistor output
Load
Trigger circuit
Y0.8
LED
C0
AH20MC-5A
< 0.5A
Direct-current power supply
Emergency stop
Fuse
The output terminals of a transistor module are open-collector output terminals. If Y0.8 is a pulse train output
terminal of a transistor module, the output current passing through its output pull-
up resistor must be greater than
0.1 A to ensure that the transistor module operates normally.
A relay or a solenoid valve is used as a DC load. A diode is connected in parallel to absorb the surge voltage
which occurs when the load is OFF.
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