The DSE4510 & DSE4520 modules are part of the DSEGenset® range of products from Deep Sea Electronics PLC, designed to provide varying levels of functionality across a common platform for generator control. These modules allow operators to start and stop generators and, if required, transfer the load to the generator either manually or automatically. The DSE4520 variant specifically handles automatic mains (utility) failure detection and generator set control.
Function Description
The DSE45xx module monitors the engine, indicating operational status and fault conditions. It automatically shuts down the engine and displays the true first-up fault condition on its LCD display. Key features include:
- Icon-based LCD display: Provides clear visual feedback of system parameters and status.
- True RMS Voltage, Current, and Power monitoring: Ensures accurate measurement of electrical parameters. (Note: Current and Power monitoring are not available on DSE45xx-01 and DSE45xx-31 variants).
- USB Communications: Allows connection to a PC for configuration and control.
- Engine parameter monitoring: Tracks essential engine data.
- Fully configurable inputs: Can be set up for various alarm conditions or other functions.
- Engine ECU interface: Enables communication with electronic engines.
The module's integral front panel configuration editor allows for adjustment of operational sequences, timers, alarms, and other parameters. Critical operational sequences and timers can be protected by a security code, and module access can be further secured by a PIN code.
Important Technical Specifications
- Supply Voltage: 8V to 35V DC continuous (60V protection). Survives 0V for 100ms if supply was at least 10V before dropout and recovers to 5V. Reverse polarity protection up to -35V continuous.
- Operating Current: 96mA at 12V, 85mA at 24V (operating); 51mA at 12V, 47mA at 24V (standby); 35mA at 12V, 32mA at 24V (sleep mode); less than 10µA at 12V/24V (deep sleep mode).
- Voltage & Frequency Sensing: True RMS conversion. Sample rate 5kHz or better. Harmonics up to 11th or better. Input impedance 300kΩ phase to neutral. Phase to Neutral range 15V to 415V AC (absolute maximum), suitable for 345V nominal. Phase to Phase range 25V to 720V AC (absolute maximum), suitable for 600V nominal. Common Mode Offset From Earth 100V AC (max). Accuracy ±1% of full scale phase to neutral, ±2% of full scale phase to phase. Frequency range 3.5 Hz to 75.0 Hz, accuracy ±0.2 Hz.
- Current Sensing: True RMS conversion. Sample rate 5kHz or better. Harmonics up to 10th or better. Nominal CT Secondary Rating 5A. Maximum Continuous Current 5A. Overload Measurement 3 x Nominal Range setting (50A for 1 second absolute maximum). Burden 0.25VA. Accuracy ±1% of Nominal (5A) (excluding CT error). (Note: Not available on DSE45xx-01 and DSE45xx-31 variants).
- Digital Inputs: 4 configurable (7 when analogue inputs are configured as digital). Contact between terminal and ground. Low level threshold 3.2V minimum, high level threshold 8.1V maximum. Maximum input voltage +60V DC, minimum input voltage -24V DC. Contact wetting current 6mA typical, open circuit voltage 15V typical.
- Analogue Inputs: Resistance measurement for oil pressure, coolant temperature, and fuel level sensors. Oil pressure range 0-17.2 bar (0-250PSI). Coolant temperature range 0°C-250°C (32°F-482°F). Flexible sensor (when configured) range 0%-250%, 0°C-250°C, or 0-17.2 bar.
- DC Outputs: Fuel & Start (A & B) 10A resistive for 10s, 5A resistive continuous at 35V. Configurable (C & D, E & F) 2A resistive continuous at 35V. (Note: E & F outputs are DSE4520 only).
- Communication Ports: USB 2.0 Device (max 6m distance). Engine CAN Port (standard implementation of 'Slow mode', up to 250K bits/s, non-isolated, internal 120Ω termination, max 40m distance).
- Dimensions: 140.0mm x 113mm x 43mm (5.5" x 4.4" x 1.7"). Panel Cutout 118mm x 92mm (4.6" x 3.6"). Weight 0.16kg (0.35lb).
- Operating Temperature: -30°C to +70°C (-40°C to +70°C for variants with display heaters).
- IP/NEMA Rating: IP65 (front of module with optional sealing gasket), IP42 (front of module without sealing gasket). NEMA 12 (with gasket), NEMA 2 (without gasket).
Usage Features
- Control Push-buttons:
- Stop/Reset Mode: Clears alarms, unloads the generator, and stops the engine. Ignores remote start signals.
- Auto Mode: Enables automatic generator control based on remote start inputs or the exercise scheduler.
- Manual/Start Mode: Starts the engine and runs it off-load. Can place the generator on load with appropriate digital inputs or remote start signals.
- Menu Navigation: Used to browse instrumentation, event logs, and configuration screens.
- Module Display: Shows instrumentation icons, active configuration, FPE/Auto Run icons, mode icons, alarm icons (warning, electrical trip, shutdown), and load switching icons.
- Navigation Menu: Accessed by pressing both up and down buttons simultaneously. Allows selection of various instrumentation sections (generator, mains, current/load, engine, module info, engine DTCs, event log).
- Front Panel Configuration Editor: Allows adjustment of module settings, CAN settings, input/output settings, timer settings, generator/mains settings, engine settings, analogue input settings, scheduler settings, time/date settings, maintenance alarm settings, and alternate configuration settings. Access can be PIN protected.
- Scheduler: Inbuilt exercise run scheduler capable of up to 8 scheduled start/stop sequences on a 7-day or 28-day cycle, either on-load or off-load.
Maintenance Features
- Fault Finding: Comprehensive symptom-based troubleshooting guide for starting, loading, alarms (low oil pressure, high engine temperature, shutdown, electrical trip, warning, CAN ECU faults), communications (CAN data fail), and instruments (inaccurate generator measurements).
- Maintenance Alarms: Configurable alarms for oil, air, and fuel filter maintenance, based on engine run hours. These can be set as warnings or shutdowns. Maintenance alarms can be reset via a configured input or through the DSE Configuration Suite.
- Spares and Servicing: The controller is a "Fit and Forget" device with no user-serviceable parts. Additional connector plugs, fixing clips, and silicon sealing gaskets can be purchased from DSE.
- Disposal: Complies with WEEE (Waste Electrical and Electronic Equipment) and RoHS (Restriction of Hazardous Substances) directives. DSE ensures Lead Free & RoHS compatible manufacturing processes.
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