ACR Electronics SmartReader Plus Especificações Página 73

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SmartReader Plus Data Logger
64
Copyright © 2010 ACR Systems Inc. All Rights Reserved.
>4.0K for Vin>5V
Min. Pulse Width
50% Duty Cycle: Slow input:2 milliseconds
Fast input:10 microseconds
Restrictions: Maximum frequency over sample interval must not exceed
channel range (the total count will stop at 4095)
Connections: Removable screw-type terminal strip
Switch Inputs
Input-type: Uncommitted "dry" contacts (relay or switch)
Excitation: 5 microamps contact current
3.6 volts open circuit
Contacts: Sealed gold-plated recommended
Voltage Input
Input-type: Active logic signals
Input Voltage: 0 to 0.5 volts DC low
4.5 to 24 volts DC high
Specifications are subject to change without notice.
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