Inductive instruments#

Inductive loops#

For technical details of building the loops and installing instruments on the loop check the technical instructions and the setup guidelines for how to program, integrate and log the instruments. These guidelines are based on the original manuals from the manufacturers and experience from fieldwork and tests.

Devices#

Name

Function

Depth

Bat

Description

Ultimodem (UM)

Modem

?

6x3.6V SAFT (2.8 Ah at 12 V with 77% efficiency)

Connects serial instruments to inductive telemetry

Inductive Data Recorder (IDR)

Recorder

?

Record communications from multiple instruments. Can talk to S9 Enduro or X-TP, Ulti-modems or SBE IM

Subsurface Inductive Mooring Controller (SIMC)

Modem & Controller/Recorder

?

Controller with built-in inductive modem.

XT

Sensor

?

Temperature sensor

XIM-CTD/CTDO/CT

Sensor

100 (D)  140 (O)

CTD sensor with different configurations without pressure or with oxygen

XFL

Sensor

?

Trilux sensor integrated into S9 hardware

SIMC Firmware#

Follow the instructions in the end of the [SIMC manual](./docs/SIMC PCH R0 Manual R011B.pdf) for installation. Below a table with the most recent firmware updates from Sound9. SIMCV0A refers to the newer SIMCs with white housing while SIMCV0 refers to the older black housings.

Date

Version

Description

01.2025

SIMCV0A V0p30G (firm)

Introducing CEXIT command and general bugfixes. Runs with older firm command

01.2025

SIMCV0A V0p30G (firms)

Introducing CEXIT command and general bugfixes. Runs with newer firms command (not compatible with SIMCs used during Transekt Tokt 2024/5

01.2025

SIMCV0A V0p30H (firm)

Fixes issue with not transferring D-file contents to flashcard when SIMC time got reset. Adds a saving routine after latest 256kB

01.2025

SIMCV0 V0p30K (firm)

Introduces CEXIT and 256kB saving routine as well as general bug fixes for older SIMC models (black)

To check that CEXIT is properly running see the following test output that should be produced when the firmware was properly installed.

Guidelines#