Overview – 5
Chapter 1
OVERVIEW
DESCRIPTION
The 5610 Relay Card is an eight channel relay card that offers a
simple and cost effective solution for interfacing Octagon’s Micro
PC system with general switching applications. The 5610 offers
dependable, isolated switching for control of AC/DC loads in
industrial applications.
MAJOR FEATURES
Outputs
The 5610 includes eight independent relays. SPDT contacts are
available for six of the relays. The remaining two relays are
normally open, SPST. Each relay channel is rated to 120 VAC, but
operation above 32 volts AC or DC is not recommended for opera-
tor safety reasons. Each relay can switch resistive loads of up to 2
amps and inductive loads of up to 0.5 amps. The contacts are
rated at 0.25 amps or 3 watts, whichever is higher. Each relay is
socketed and can be replaced in the field without the use of any
special tools.
Output Port
The eight relays are switched by manipulating bits at an output
port. As the output port bit is latched high, the corresponding
relay closes. The relay remains on until its output port bit is
latched low (reset). The status may be read back by reading at the
same port.
LED Indicators
Each energized relay is illuminated by a green LED. Whenever the
relay is energized, the LED lights; the LED is off when the relay is
in the default state. In addition, an amber LED lights immedi-
ately whenever the card is accessed. You can see the LEDs easily
when the 5610 is in the Micro PC card cage. They provide visual
feedback for troubleshooting, simplified system development and
installation.
Summary of Contents for 5610
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