auto maskin DCU 205 User Manual

Diesel engine

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D
IESEL ENGINE
C
U
ONTROL
DCU 205
- USER'S MANUAL -
Skjetten, Norway
www.auto-maskin.com
NIT

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Morshed
March 25, 2025

I need electrical circuit diagram of DCU205-C-1 terminal card

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1 comments:
Mr. Anderson
March 25, 2025

The electrical circuit diagram for the Auto Maskin DCU 205 terminal card can be found in the DCU 205 User's Manual. The schematic diagram is mentioned on page 19 of the manual.

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Morshed
March 25, 2025

Can I get help about internal electrical circuit diagram of DCU205-C-1 terminal card

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1 comments:
Mr. Anderson
March 25, 2025

The internal electrical circuit diagram for the Auto Maskin DCU 205 terminal card can be found in the DCU 205 User’s Manual. Specifically, it is referred to as "Figure 11-, DCU 205 wire connection diagram" on page 19.

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Summary of Contents for auto maskin DCU 205

  • Page 1 IESEL ENGINE ONTROL DCU 205 - USER’S MANUAL - Skjetten, Norway www.auto-maskin.com...
  • Page 2: Table Of Contents

    DCU 205 User’s Manual ABLE OF CONTENT INTRODUCTION TO THE DCU 205 .............. 3 1.1............... 3 YPE APPROVAL CERTIFICATES TECHNICAL SPECIFICATION ............... 4 2.1.................... 4 N GENERAL 2.2....................4 USES 2.3................5 RONT PANEL LAYOUT BEFORE OPERATION ................... 6 3.1.
  • Page 3 Copyright  Auto-Maskin A/S, 1994 - 2013 Information given in this specification may change without prior notice. This document should not be copied without permission from Auto-Maskin A/S. Description: DCU 205 User's Manual, English Revision: January, 2013 User’s Manual order no.: 05012 - 2 -...
  • Page 4: Introduction To The Dcu 205

    DCU 205 is made up of two separate parts, mainly an alarm unit and a control unit. The alarm unit must be powered from the ships alarm centre, and the control unit from the start battery.
  • Page 5: Technical Specification

    Cable length (standard) 1.5 meters Steel enclosure version Overall dimensions 300 x 300 x 140mm (HxWxD) Total weight (DCU 205 and enclosure) 4300 g Degree of protection IP44 2.2. Fuses A total of 3 automatic resettable fuses are built into the unit. If the fuse breaks, it will reset itself in about 20 seconds.
  • Page 6: Front Panel Layout

    Function section Get Status from the Status section The Hour meter Figure 2-, DCU 205 front panel layout indicates engine running hours The frontpanel is divided into the four sections Alarm, Shutdown, Function and Status. - 5 -...
  • Page 7: Before Operation

    DCU 205 User’s Manual 3. B EFORE OPERATION Before switching on the Control Unit's 24VDC voltage supply, the following should be verified: The switch for selecting the speed sensor type must be set to the right position according to the table below.
  • Page 8: Operating The Control Unit

    4. O PERATING THE ONTROL The DCU 205 Control Unit is controlled using the seven pressure-sensitive push buttons on the front panel. For remote operation see chapter 8. The functions of these push buttons are discussed underneath. 4.1. Start button For manual starting of the engine.
  • Page 9: Manual Button

    DCU 205 User’s Manual If three start attempts have elapsed without a successful start of the diesel engine, the AUTOMATIC START FAILED alarm will be activated and the RESET button lamp will come on to indicate that no further starts can be made until the operator has pressed the RESET button.
  • Page 10: Hour Counter

    DCU 205 User’s Manual 4.8. Hour counter The LCD counter shows the engine's total running hours, and runs when the RUNNING lamp is on. This is indicated by the blinking hour glass symbol. When the engine is stopped the hour glass lamp remains visible but does not blink.
  • Page 11: Alarm Centre

    DCU 205 User’s Manual 5. A LARM CENTRE 5.1. In general The Control Unit has a total of 9 alarms. Three of these alarms are internally generated by the Control Unit, and the remaining 6 alarms are based on normally closed contacts from the controlled system, i.e., an open contact will set off an alarm.
  • Page 12: Not Used Alarms

    DCU 205 User’s Manual If the alarm is activated when the engine is at standstill, there is a problem with the oil pressure switch (shutdown switch) connected to terminal 5, since it is this signal that interlocks the alarm. At the same time, this situation will activate the RUNNING signal and SPEED SENSOR FAIL.
  • Page 13: Shutdown Centre

    DCU 205 User’s Manual 6. S HUTDOWN CENTRE 6.1. In general The Control Unit recognises up to 4 conditions that will activate engine shutdown. They are: • Overspeed • Lub. oil press. low • Cooling water temp. high NO • Spare The Overspeed alarm is based upon the speed sensor frequency.
  • Page 14: Emergency And Harbour Generator Sets

    DCU 205 User’s Manual 6.2. Emergency and harbour generator sets When the generator set is used as a combined emergency and harbour generator set, it can be necessary to disable all shutdown functions, except overspeed, when used for emergency power.
  • Page 15: Adjustments And Timer Settings

    Table 7-, Table of predefined time delays and adjustable functions. 7.1. Frontpanel text labels The DCU 205 Control Unit is delivered with the most commonly used wording for alarms and shutdowns. However, there will be situations where other texts may be necessary.
  • Page 16: Remote Control

    DCU 205 User’s Manual 8. R EMOTE CONTROL The Control Unit has wire terminals for two remote start and stop alternatives. • Manual start and stop • Automatic start and delayed stop 8.1. Manual start and stop The Unit has terminals for remote start and stop. They work in the same way as the local push buttons.
  • Page 17: Trouble Shooting

    DCU 205 User’s Manual 9. T ROUBLE SHOOTING Symptom Possible cause Action 1. Low battery capacity. 1. Charge the battery, replace if 1. The engine does not defective. start manually. 2. Blown fuse. 2. Wait approx. 20 seconds. 3. START DISABLED 3.
  • Page 18: Wire Connections Table

    DCU 205 User’s Manual 10. W IRE CONNECTIONS TABLE This is a description of all wire connections to the DCU 205 unit. Maximum output relay contact load is 125V, 2A. Terminal no. In/Out Comments 1, 2 24VDC mains, supplied from engine start battery. Also supplies the shutdown unit in the DCU 205.
  • Page 19 DCU 205 User’s Manual The diesel engine's terminal box must include auxiliary relays for start and stop, see drawing no. 1205-1, page 19. Wire terminal The DCU 205 connector unit - 18 -...
  • Page 20: Schematic Diagram

    DCU 205 User’s Manual 11. S CHEMATIC DIAGRAM Figure 11-, DCU 205 wire connection diagram - 19 -...

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