1 Preface 1.1 About this Manual This manual has been published primarily for professionals and qualified personnel. The user of this material is assumed to have basic knowledge in marine systems, and must be able to carry out related electrical work. Work on the low-voltage circuit should only be carried out by qualified and experienced personnel.
1.3.1 Document History Revision Date Description 09.2020 Initial Release Revision. 12.12.2016 Updated according to FW 1.48 in addition to other minor changes. 11.04.2018 Updated according to naming convention and clarified pickup usage. 18.11.2020 Updated according to FW 1.49. 2 Product Overview The SDU 410 is the safety module.
COM 3 Flashes when the SDU communicates on the ethernet interface. 2.1.2 Shutdown and Fault LEDs ACTIVE FAULT SWITCH 1-8 Lit when in load reduction or Lit when channel wiring is shutdown. faulty. SHUTDOWN Lit for any shutdown situation. Lit if the Shutdown Coil output detects a broken coil.
● Event c an be Disabled, Load Reduction or Shutdown. Event can also be configured as “Shutdown Override #2”. ● Delay b efore shutdown [1 – 60 sec]. ● RPM dependency makes the channel activate above a certain engine rpm only. ●...
2.3.2 From Switch If either of the switches indicates a shutdown, then the SDU will activate the common shutdown outputs. Shutdown Override Each switch channel may be configured to disregard the Shutdown Override input command. Indication The red LED for the corresponding switch will be lit. The red LED SHUTDOWN will be lit.
Deactivates when the SDU senses that the engine has stopped. OVERSPEED SHUTDOWN Activates if the SDU senses an overspeed shutdown. Deactivates when the engine is stopped and the event is acknowledged. OVERSPEED TEST MODE Activates when the SDU is in overspeed test mode. SHUTDOWN OVERRIDE #1 Activates when the SDU is in shutdown override mode.
The Overspeed Test mode is deactivated by either: ● Performing the test, ending in an Overspeed Shutdown at 95% of the Nominal setpoint. ● Pressing the Overspeed Test button again. ● Automatic timeout after 5 minutes. 2.5.2 Shutdown Override Connect a normally open (NO) switch, with a 10k ohm resistor across the two terminal inputs 50 and 51.
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