Rockwell Automation 57C419 5V-24V DC Input Module - Manual (Page 7)

1Ć1
1.0 INTRODUCTION
The products described in this instruction manual are manufactured
or distributed by Reliance Electric Company or its subsidiaries.
The 5VĆ24V Input Module will accept up to a maximum of 32 low level
DĆC input signals. The input signals may range from 5 volts through
24 volts. The inputs may be either NPN open collector outputs
(sinking) or contact closures. Both configurations require an external
power supply. Four of the inputs can be programmed to latch pulses
of .7 msec duration or longer. These four inputs can also be used to
generate an interrupt. Input signals have 5000 volt isolation to logic
common. The module contains 8 isolated commons, one for each
group of four inputs.
Typically, this module is used to input on/off signals from devices
such as thumbwheel switches, relay contacts, limit switches,
pushĆbuttons, selector switches, open collector TTL, buffered LSTTL,
and buffered high speed CMOS.
This manual describes the functions and specifications of the
module. It also includes a detailed overview of installation and
servicing procedures, as well as examples of programming methods.
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