Marine watch main alarm operator panel
LT-ONE Main Panel
The LT-ONE Main Panel has an easy to use operator interface displaying instant recognition of vessel status in the highly effective and attractive alarm management system Marine Watch LT Series.
- Alarm operator panel with onboard flexible I/O.
- Event log, units and inbuilt languages.
- Easy plug-in I/O expansion.
- User-configurable, no extra tool required.
- Inbuilt sensor troubleshooting.
- Sea trial logging
Neat and powerful
The Marine Watch LT Series can be used in any unclassed vessel and support up to 92 I/Os with a mix of sensor types. The LT-ONE Main Panel carries 19 flexible onboard I/O out of the box, making it a super neat and cost-effective system that is quick to install.
The LT-ONE can be used stand-alone or in combination with the LT-ACE Remote Panel that visualizes alarms from up to two LT-ONE Main Panels. The LT-ACE automatically self-configures when connected to the same Ethernet network as the LT-ONE.

Specifications
Size | w 167 x h 135 x d 68 mm |
Cut out | W 156 x H 124 mm, Access depth 90 mm |
Screen | Touch, 262144 colors, 5.7″, Resolution 640 x 480 pixels |
IP | IP56 |
Power Supply | 24/12 VDC, Min 8 VDC, Max 32 VDC |
Datasheet
DCU 210E Engine Controller / Marine Watch LT
Part#: 1006475 (DCU 210E Engine Controller)
1500074 (Marine Watch LT)
Interfaces
Section | Qty. | Min | Typ. | Max | Unit | Comment |
Power Supply, Voc | 1 | 8 | 12/24 | 32 | VDC | Current consumption @ 24 VDC |
– | 0.5 | 2 | A | |||
Flexible I/O | 19 | 0 | – | Can be configured as described in section Flexible I/O section below. | ||
Relay | 2 | 0 | – | 1 | A | Potential free/Form C contacts. Internally fused |
Tacho | 1 | 0.1 | 5 | 10 | kHz | Magnetic pickup |
4 | – | 32 | Vpp | |||
Thermistor/PT100 Inpt | 2 | 50 | – | 60000 | ? | Accuracy: ± 2.0 %. With optional wire resistance comp. |
0 | – | 800 | °C | |||
CAN bus #1 | 1 | – | 250 | – | kbps | SAE J1939 |
CAN bus #2 | 1 | – | 250 | – | kbps | SAE J1939 |
Ethernet | 1 | – | 10/100 | – | Mbps | Auto Crossover |
Modbus TCP | 1 | – | 10/100 | – | Mbps | |
Modbus RTU | 1 | 9600 | 19200 | 115200 | baud | 8 bit, even parity, 1 stop bit. Failsafe biasing, internal termination |
RIO Link Connection | 1 | – | 19200 | – | baud | 8 bit, even parity, 1 stop bit |
USB Port | 1 | – | – | 480 | Mbps | USB 2.0 Hi-speed Memory Interface |
Flexible I/O
Section | Qty. | Min | Typ. | Max | Unit | Comment |
Digital Input | 19 | 8 | – | 36 | V | High level Low level |
0 | – | 2 | V | |||
4 – 20 mA Input | 19 | 0 | 4-20 | 25 | mA | Accuracy: ± 0.5 % of typical range |
Analogue Input | 19 | 0 | – | 32 | V | Accuracy: ± 0.05 V |
Digital Output | 19 | – | Vcc-0.5 | – | V | Power supply – 0.5 V Current limited |
0 | – | 0.2 | A | |||
0 V Supply Output | 4 | 0 | 0.1 | – | V | |
0 | – | 0.5 | A | |||
5 V Supply Output | 1 | 4.8 | 5.0 | 5.2 | V | For supply of 0-5 V sensors etc. Current limited |
0 | – | 0.1 | A |
Screen
Section | Width | Typ | Height | Unit | Comment |
Size | – | 5.7 | – | inch | |
Resolution | 640 | – | 480 | pixels | |
Pixel Density | 1400 | PPI | |||
Colours | – | 262144 | – | colours |
DCU 210E Engine Controller / Marine Watch LT
Part#:
1006475 (DCU 210E Engine Controller)
1500074 (Marine Watch LT)
Operator Interface
? Capacitive touch interface
? Touch buttons
? Part# 1006475: 4 buttons
? Part# 1500074: 2 buttons
Connectors
? 4 x 12 pin Deutsch DT06-12SA (Mating connector).
? USB 2.0 Type A Host Port (Service only).
? Ethernet RJ45 IP67 Bajonett Black (Use included RJ45 Plug Kit).
Measurements and Weight
Section | Weight | Width | Height | Depth | Unit | Comment |
Size | – | 167 | 135 | 68 | mm | Depth without connectors |
Cut out | – | 156 | 124 | – | mm | Access depth: 90 mm |
Weight | 0.8 | – | – | – | kg |
Environmental
Section | Condition | Min. | Typ. | Max. | Unit | Comment |
Operating Temperature | Operational | -25 | – | +70 | °C | DNV No. 2.4 Location Class D, Open deck |
Storage Temperature | Not power | -30 | – | +85 | °C | |
Enclosure Ingress Protection Rating |
Operational | IP56 | – | – | – | |
Vibration | Operational | – | 4 | – | g | IEC 60068-2-6 Fc |
Testing & Approvals
Tested according to DNV Standard for Certification DNV No. 2.4, harmonized with IACS UR E10 and IEC 60092-504.
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