Supervision and Data acquisition tools. |
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Description Arian instruments send continuouslly data (e.g. temperatures,
counts, positions of valves) to a PC by means of a single
wire pair across the plant. |
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How it works Each instrument haves the optional RS485 isolated output
card installed. By other side, from the software point of view, the
instruments use the Modbus RTU protocol for exchanging
data with the PC thru the RS485 bus. |
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What is needed to start up communicating
- Each of the devices must have installed RS485 comunications option. ![]() ![]() ![]() ![]() |
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Technical specifications
- Galvanic isolation of instruments from the bus and from the bus to the PC. |