XIO-DI8 : 8 Channel Digital Input Board
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Ordering Information:
Stock Number: 100-7656
Typical Availability (low quantity): Stock - 2wk
| Qty. | 1-9 | 10-24 | 25-49 | 50-99 | 100-249 |
|---|---|---|---|---|---|
| $ ea. | 127.00 | 120.65 | 114.30 | 107.95 | 101.60 |
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- Allows an 8-bit digital input port to monitor combinations of AC and DC voltage input signals
- 500V isolation between Host and field signals
- Hardware programmable input voltage range on each channel
- Dual IDC input headers support two common digital I/O pinouts
- Input filters ensure reliable measurement of AC or noisy DC signals
- Works with products from SCIDYNE and as well as from other manufactures
The XIO-DI8 performs the interface function of isolating and conditioning input voltage signals
into levels compatible with standard 8-bit TTL/CMOS digital ports such as those found on Single-Board-Computers.
Eight optically isolated and non-polarized input channels allows any combination of DC or AC signals to be
monitored. The input voltage range for each channel is individually configured by means of a socketed
resistor. In addition, low-pass filters can be selectively enabled for the reliable measurement of AC or noisy
DC signals. The eight conditioned channels form a byte where each bit reflects the state of one input, Bit-0 =
IN0, Bit-1 = IN1 and so on. Activated inputs cause a logic “1" to appear in the associated bit
position. Activated inputs cause a logic "1" to appear in the corresponding bit position. The byte is
buffered and drives one of three possible Host digital input ports. Which Host port will be used is
determined by installing a single resistor network in one of three corresponding DIP sockets. This routes the
output byte to only the designated Host input port. The two remaining Host ports remain unaffected and
available for other purposes. Dual IDC headers directly support the two most common Host digital port pinout
arrangements. Other pinouts are easily accommodated using custom cable assemblies. Field wiring is made through
a single 16-position removable screw-terminal strip which accepts wires in the range of 12-24 AWG. Field
wiring is made through a single 16-position removable screw-terminal strip which accepts wires in the range of
12-24 AWG. The XIO-DI8 operates from a single +5Vdc supply which can be provided by the Host, through either of
the IDC headers, or externally by means of a two-position removable screw-terminal strip. For ease of
installation, the board can 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).