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8 channel Analogue isolation I/O board (ROCS1001)
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This PC104 format PCB electrically isolates and conditions up to 8 analogue signals
and provides signals suitable for input to standard PC104 analogue to digital converter
cards. Powered from the PC104 bus, four of the channels provide complete isolation on the
input side and the other 4 inputs are isolated from the outputs but not from each other.
This board caters for a range of input types by featuring jumper selectable voltage or
current inputs, or the option for a pull up resistor to 10V to form a potential divider
with a resistance type input, on three of the channels. Gains of x1 and x10 are also jumper
selected. One channel is dedicated for input from a resistance type device such as a PT100
type temperature sensor. The remaining 4 channels are fixed x1 gain but may also have the
pull up resistor to 10V selected on the input.
| Features |
| • 8 channel analogue signal isolation |
| • Flexible configuration |
| • Custom configuration available on request |
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| Specification |
| Dimensions |
PC104 95.9mm x 90.2mm |
| Power (from PC104 bus) |
+12V @ 300mA approx |
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-12V @ 40mA approx |
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| Standard Options, Channels 1 - 3 |
| Input Settings |
Gain Settings |
Input Range |
Output Range |
| Voltage |
x1 |
+/-10V |
+/-10V |
| Voltage |
x10 |
+/-1V |
+/-10V |
| Current |
x1 |
0 - 20mA |
0 - 0.94V |
| Current |
x10 |
0 - 20mA |
0 - 9.4V |
| Standard Options, Channel 4 |
| Input |
PT100 temperature sensor |
| Output |
6.2V @ 100.0R (0 Deg.C) |
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8.6V @ 138.5R (100 Deg.C) |
| Standard Options, Channel 5 - 8 |
| Input |
+/-10V |
| Output |
+/-10V |
| Input Pull Up |
Jumper selectable |
| Pull Up Resistance |
10K Ohms |
| Pull Up Voltage |
10V |
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Other options are available on request.
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