XIO-R08 : 8 Channel Relay Output Board
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Ordering Information:
Stock Number: 100-7632
Typical Availability (low quantity): Stock - 2wk
| Qty. | 1-9 | 10-24 | 25-49 | 50-99 | 100-249 |
|---|---|---|---|---|---|
| $ ea. | 183.00 | 173.85 | 164.70 | 155.55 | 146.40 |
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- Converts one of three 8-bit digital input ports to eight isolated 10A relay outputs
- Removable Screw-Terminals accept 12-24 AWG field wiring
- 5Vdc only power requirement can be supplied by Host or Externally
- Dual IDC input headers supports the two most common digital I/O pinouts
- Works with products from SCIDYNE and as well as from other manufactures
- Mount using 3" SNAPTRACK®, Standoffs or on DIN rail
The XIO-RO8 accepts up to three
8-bit TTL/CMOS digital ports and uses one of the ports to control
eight isolated 10A SPDT (Form C) relay outputs. Dual IDC input headers
directly support the two most common pinout arrangements for digital
I/O ports. Other pinouts can be accommodated with simple custom
cable assemblies. A DIP switch configures which one of the three
ports will be used, the control signal polarity, and whether the
inputs signals will be resistively Pulled-up or Pulled-down. The
input resistors serve to keep the XIO-RO8 outputs in a known state
in the event the host looses power or becomes disconnected. The
remaining two non-selected ports are unaffected and can be used
with other circuitry including additional XIO-RO8 boards. Each bit
of the selected port controls a corresponding relay output. Depending
on whether the XIO-RO8 is configured for "non-inverted"
or "inverted" operation, a relay is activated by its control
bit being logic "1" or logic "0" respectively.
A status LED for each channel illuminates whenever its relay is
energized. By taking advantage of the buffering circuitry and bussed
interconnection nature, a bonus feature can be realized which allows
multiple boards to be simultaneously driven in parallel by the same
digital port. This effectively creates another output relay "pole"
for every XIO-RO8 added. For example, connecting five identically
configured XIO-RO8 boards to the same digital port would form the
equivalent of eight 5PDT relay outputs. Independent access to each
relay’s Normally-Closed, Normally-Open and Common contacts eases
wiring constraints and permits flexible mixing of AC and DC signals.
Field wiring is made through a single 24-position removable screw-terminal
strip which accepts wires in the range of 12-24AWG. The XIO-RO8
operates from a single +5Vdc supply which can be provided by the
Host, through the IDC headers, or externally by means of a two position
removable screw-terminal strip. For ease of installation, the board
may be mounted in one of three ways: placed within a 3" SNAPTRACK®
(121-0003), by using standoffs or by attaching it to a DIN
rail using optional SNAPTRACK® adapter clips (121-0004).