Chapter 4 Installation and Wiring
4-29
Wiring the Differential Input Terminals
The direct-current signals in voltage 5 V can pass through the high-speed input terminals X0.0+~X0.1+, X0.0-~X0.1-,
X0.8+~X0.11+, and X0.8-~X0.11- on AHxxEMC-5A. The frequency of input signals can be up to 1 MHz. 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.)
Encoder output
high-speed input
AH04HC-5A
A-
A
B-
B
Transistor Output Circuit
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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