ROVworld Subsea Information

Sea-Bird introduces Underwater Inductive Modem Module
Date: Wednesday, May 05, 2010 @ 12:00:00 EDT
Topic: SURVEY NEWS


Sea-Bird introduces Underwater Inductive Modem ModuleSea-Bird Electronics' new Underwater Inductive Modem Module (UIMM) provides a quick way for system integrators and instrument/sensor manufacturers to adapt new or pre-existing RS-232 instruments, such as acoustic current meters, Doppler profilers, optical sensors, etc., for integration with real-time moorings using Sea-Bird's Inductive Modem (IM) telemetry.



The UIMM is simply an Inductive Modem Module (IMM) housed in a pressure case and incorporating an integral inductive coupler and cable clamp. It is designed to be cable-connected to an RS-232 serial device such as a current meter, and then clamped to the jacketed mooring wire. The UIMM can also be used as a substitute for an IMM (housed inside a buoy) and an Inductive Cable Coupler (ICC). For this case, the UIMM receives inductive communications from other underwater IM devices and sends the data via RS-232 to the surface buoy (or bottom junction in a cabled observatory).

The IMM can be user-configured via RS-232 to send and receive commands necessary to control the serial instrument and receive or retrieve data. The UIMM communicates with an RS-232 instrument and requires a small amount of power from it via a 4-pin connector (UIMM does not have an internal power supply).







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