4-20 mA current loopsare commonly used in the process control industry to transmit analog data. By convention, 4 mA corresponds to the minimum expected reading, and 20 mA corresponds to the maximum expected reading. A 4‑20 mA current signal can be transmitted over long distances, limited only by wire resistance, and is immune to voltage noise.
Connection of multiple Laureate digital panel meters, counters, timers to an Ethernet LAN is now possible via a single Etherned line of one of the instruments is equipped with the new Ethernet-to-RS485 converter board by Laurel Electronics, and the other instruments are on the same RS485 bus.
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An Ethernet interface option board is now available for all 1/8 DIN Laureate digital panel meters, counters and timers by Laurel Electronics. This board plugs into the host meter to provide a 10/100Base-T Ethernet interface via an industry-standard RJ45 connector. Multiple meters, each with its its own Ethernet cable, can now be connected to a local area network (LAN) or to the Internet via a router, or directly to a host computer. LAN, WAN, and Internet connectivity are fully supported so that the meter can be read and set up remotely. The Modbus protocol is fully supported.
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Laurel Electronics, LLC Industrial Instrumentation & Displays |
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3183-G Airway Avenue Costa Mesa, CA 92626, USA |
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Tel : (714) 434-6131 Fax : (714) 434-3766 |
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Email Sales at Laurel Email Support at Laurel Inquiry & RFQ Page |
