Subsea NetDI Logger
Applications
- Small and versatile data logger with optionally Li-Ion battery
- Complex real-time data processing units
- Deep-sea monitoring
- Condition monitoring systems e.g. with alarm function
- PLC functions
Specification
- Industrial STM ARM controller
- Low power consumption for long deployments: typ. 2W standard, ~µW standby
- Large data storage – enough to safe high-resolution measurements for years: HDSD card, typ. 8GB up to 32GB
- Download on USB stick
- Firmware or configuration update via USB
- Small footprint enables compact housings with embedded power source (Li-Ion battery)
- Configurable input/output signals – analogue 24 bit and digital
- Flexible design for customized solutions
- Real-time processing of values and additional quality flags and data
- Many data protocols implemented for external sensors, devices, analyzers etc.
- Complex control of external actors such as pumps with the build-in Soft-PLC
- Standardized ASCII NMEA-0183 output
- Typ. 4 serial Interfaces (RS232 / RS485), optional up to 30 serial interfaces, optical isolated
- Wide input voltage range of +9 to 32 Volt, high efficiency DC/DC
- Typ 1Hz sampling rate, configurable. Short time 100Hz. Long time cycles days…years
- Calibration and versatile formulas included, incl. UNESCO formulas for seawater analysis
- Operating IEEE double precision for all internal calculation
- Many data protocols for external sensors, analyzers, samplers etc.
- Depth rating shallow water 300m up to 6000m
- Titanium housing, titanium SubConn® connectors MCBH-5. Typ. size Ø168mm x 380mm length
Options
- External 7″ display box for configuration and dignostic
- Additional DC/DC voltage outputs for external sensors, e.g. 12V, 24V regulated. In combination with the Soft-PLC switchable
- Control LEDs for easy quick check after the deployment
- Additional up to 30 RS232/RS485 interfaces (needs larger housing)
- Configurable Soft-PLC for complex control procedures, time or event triggered with many options
- Position control and geo-referencing e.g. via external data
- Depth rating certificate (pressure test with static or cycled conditions)
More information
- NetDI® subsea data logger with Li-Ion battery: → PowerLogger™
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Standard SmartDI® data logger with 4 sensor inputs and 1 host data output. The titanium housing is available up to 6000m | Data logger with Li-Ion PowerPack™ and exploration sensors as payload installed into a towed underwater vehicle (“fish”) for EMV exploration (c) photo by Mundal AS |
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Inspection Sensor-Pack installed into a ROV payload frame. It contains 4 additional leak detection sensors for dye, Oil-in-water (PAH), Methane (CH4) and CTD (conductivity). The NetDI® data logger communicates on a multiplexed line with the OceanView™ software, installed at the control centre | Highly reliable data acquisition of the movement of a giant hook at 2000m depth.. (c) Photo Huisman / Fugro |