Littelfuse M2500 Series Manuale Utente
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Engine Control
© 2013 Littelfuse Protection Relays & Controls
Advanced
M2500 SERIES
Engine Control & Monitoring Unit
ORDERING NUMBER CONTROL POWER
M2500.0010 12-24 Vdc
Description
The M2500 is designed for control and monitoring of engines
in marine applications such as auxiliary generators, emergency
generators and propulsion engines. The unit allows manual
(local) and remote (automatic) start of the engine and will
monitor all engine parameters.
Engine parameters can be monitored via digital and analog
sensor inputs. Cable monitoring is available on all sensor
inputs. Twelve programmable output relays are available for
configuration of common warnings, alarms or shutdowns.
Additionally there are pre-defined outputs for common alarms,
shutdowns and status indications. The LED display provides
an easy overview on the engine status. The front label next to
the LEDs is an exchangeable paper label, thus the text can be
in any language. A large graphical display provides indication of
measurements, alarms, shutdowns and an event log.
Communication with the engine ECU is possible via SAE CAN
J1939. RS485 MODBUS is available for communication with
external equipment such as alarm systems or PLCs. Easy and
user friendly configuration of the unit by the front panel or
remotely by PC/ USB interface. The configuration is pin code
protected. The unit includes an SD card slot for downloading
or uploading the configuration via an SD card. A copy of the
engine log is automatically saved on the SD card. The M2500
unit carries the CE label and has been approved by the major
marine classification societies. Together with the optional
M2600 Shutdown Unit, M2500 can form a complete engine
control, alarm and safety system.
Ordering Information
Features & Benefits
M2600 Shutdown Unit
Safety shutdown device for protection of
marine engines. Speed detection from
magnetic pickup or digital input.
K2502 SD card
Included with the M2500.
K1025 USB A to B cable
Accessories
ACCESSORIES REQUIREMENT
M2600.0010 Optional
K2502 Included
K1025 Optional
Specifications
Operating Temp. –15°C to +70°C
Humidity 95%
Vibration DNV vibrations class B
EMC IEC 60945
Enclosure IP44 (panel front only)
Primary Supply +24 Vdc (-30 %/+30 %)
Backup Supply +24 Vdc (-30 %/+30 %)
All Relays except where otherwise specified
Relay Response Time 20 ms (worst case)
Contact Set(s) 1 normally open
Contact Rating AC: 1 A, 250 Vac; DC: 1 A, 35 Vac
Run/ Stop Solenoid relay
Relay Response Time 20 ms (worst case)
Contact Set(s) 1 normally open
Contact Rating: AC: 8 A, 250 Vac; DC: 8 A, 35 Vdc
System fault output relay (Siren)
Relay response time 20 ms (worst case)
Contact Set(s) 1 change over
Contact Rating: AC: 1 A, 250 Vac; DC: 1 A, 35 Vdc
Dimensions H 137 mm (6.2”); W 209 mm (8.2”);
D 39 mm (1.5”)
www.littelfuse.com/m2500
FEATURES BENEFITS
9 digital alarm/shut-
down inputs
Monitoring of e.g. oil pressure, coolant
temperature and engine speed
8 Analog
measurement inputs
Monitoring and indication of analog measurements
Cable monitoring on
sensor inputs
Fail safe system
Cable monitoring on
solenoid outputs
Fail safe system, no need of separate cable
monitoring module
Large graphical display Easy overview of engine condition and operation
SD card
Storage of copies of log and configuration files,
programmable from SD card
Type-approved by marine
classification societies
Applicable in marine control and alarm systems
USB mass-storage device
Easy access to log and configuration files.
Programming software installed on the module.
RS485 Modbus RTU Communication with HMI and SCADA systems
Rev: 4-A-050313
1
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Engine Control© 2013 Littelfuse Protection Relays & ControlsAdvancedM2500 SERIES Engine Control & Monitoring UnitORDERING NUMBER CONTROL POWER
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