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El módulo 930 dispone de 20 canales de entrada digitales y
de estados/contador aislados.
This module is designed for
low cost and is intended for applications where input isolation is
important.
Especificaciones:
Número de canales po módulo
930: 20
Input isolation cannel to channel 250 V RMS
Input threshold for logic 1 >3.5V
Input threshold for logic 0 <1.0V
Input operational range 4.0 - 24V
Input current 2mA @ 5V
Counting Function
Number of channels All channels (20)
Max. count value 65535
Max. count rate 400 pulses / sec all channels mark/space ratio 1:1
Debounce options 1,5,10,50,100mS selectable on each group of 3 input
groups (chnls 1-8, 9-16, 17-20)
RS485 & RS232 Interface Standard specifications
Status LED's
1 Power / fault
2 Communication (RS485)
Additional Information
Power connector 2 pole screw terminal
Voltage 24V DC 45mA (-ve at earth potential)
Non Volatile Memory Reset Pin on RS232 connector
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