47
HBM
QuantumX
7.5
Digital inputs and outputs
The CX27 provides two digital inputs (pin 1 or 2) and two digital outputs (pin 3 or 4) on a
screw terminal plug.
The digital IO line can be used in two ways:
A) with external power supply
•
in this case connect your power line to pin 2 (24 V)
•
voltage level within a range of 5.5 ... 42 V
•
maximum load: 100 mA
B) internal power supply
•
in this case, please connect pin 8 (UINT) to pin 2 (24 V)
•
voltage level is TTL (5.5 V nominal)
•
maximum load: 1 mA
Input or output status is indicated through a LED below the screw terminal.
Each output is short circuit proof. We recommend to use shielded cable in disruptive
interference. Connector for shield (pin 7) and signal ground (pin 1) are different.
Pin 8: U
INT
= internal supply voltage
Pin 7: Cable shield
Pin 6: 4
−
digital OUT 2
Pin 5: 3
−
digital OUT 1
Pin 4: 2
−
digital IN 2
Pin 3: 1
−
digital IN 2
Pin 2: 24 V = external supply voltage
Pin 1: Signal ground
Example with 1 digital input and 1 digital output with internal power supply:
Digital OUT: i.e. Status LED
Digital IN:
i.e. trigger
8
7
5
3
Bridge: 24 V to U
INT
Содержание CX27
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