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The Connexions VDI programmable voltage/dry contact interface unit can monitor up to 64 (4 x 16) opto-isolated
DC voltage inputs or up to 64 (4 x 16) dry contact inputs, or a combination of both.
The unit follows a modular approach with each module capable of handling 16 inputs. A total
of 4 modules can be fitted and combinations of different modules can be fitted to suit
customer requirements. |
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Supplied with 1 x 16-way card fitted (either dry-contact or voltage) |
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Fully programmable via USB or RS232 using the supplied PC software |
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Each input can be programmed to perform a variety of alert monitoring tasks and individually
tailored via the programming interface. As well as “voltage present” and “voltage absent”
conditions, the voltage input modules will recognise 1Hz and 2Hz pulsing inputs. A calibration
routine ensures that variances in host systems are catered for. |
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Multiple units can be daisy-chained together via RS485 |
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