auto maskin Marine Pro 400 Series Quick Installation Manual

What's in the Box?
1. SDU 420 in an ESD bag
2. Bag with 1 resistor (120 Ω)
3. Bag with 28 resistors (10 kΩ)
4. This Quick Installation Guide
Caution!
Handle with care when opening
the bag and installing the unit.
User Interface Basics
The SDU is designed to work in conjunction with a DCU. Most of the
Configuration and information will be managed through the DCU. Below is
a short description of the indicators and buttons on the unit itself.
Power Indicator
Lit: Power Supply OK
Flashing: Power below
threshold.
Status Indicators
Lit or flashing in different colors
according to status as
indicated. Further details see
Users' Manual.
Switch/Analog Input Indicators
Flashing: Unacknowledged
Lit: Acknowledged
Other Input Indicators
Lit Green: When Active
Flashing: Unacknowledged
Lit Amber: Fault Acknowledged
Acknowledge Button
Shutdowns, load reductions
and faults are acknowledged by
pressing the Acknowledge
Button.
Overspeed Test Button
Test mode to initiate Shutdown
at 95% of Nominal setpoint
More Information
For the latest updated information, please contact your local distributor
or visit the Marine Watch section of the Auto-Maskin website.
Copyright © Auto-Maskin
SDU 420
Safety Shutdown Unit

Highlights

■ ■
12 channels for switch Overspeed test
inputs function
■ ■
3 channels for analog Local acknowledge/
inputs (2 x 4-20 mA reset button
■
and 1 PT100)
DIN rail mounting
■
1 pickup channel
■
Wire break detection
with LED indication
21 Jan 2022 Publication P/N 1500159
P/N 1500158