2.16 Optional Features Operation
2.16.1 System Failure External Alarm
• This optional feature is designed to provide a status signal to an external alarm circuit.
• The status signal is in the form of an open or closed relay contact. When the contact is closed,
the Processor is functioning normally. When the contact opens, this indicates the software
program has quit running due to a component failure or loss of DC power.
• A full explanation is provided in Section 8.1: External Alarm Capability.
2.16.2 Clutch Pressure Interlock
• The purpose of the Clutch Pressure Interlock is to prevent high engine RPM when the Clutch is
not fully engaged.
• A full explanation of the Clutch Pressure Interlock is provided in Section 8.2: Clutch Pressure
Interlock.
2.16.3 Station Expander (SE)
• The SE is a separate Processor housed in an enclosure that allows the connection of up to five
additional Remote Control Stations.
• The SE communicates with the Processor over the serial communication line.
• A full explanation of the installation, operation and adjustment of the SE is provided in the
Installation Manual provided with the SE.
• Additional information can be found in Section 8.3: Station Expander (SE).
2.16.4 Multiple Screw Installations
This Manual, as written, is intended for Single and Twin Screw applications only.
The Processor has the capability of controlling Triple, Quad and Quint Screw vessels. In order to do
so, contact your ZF Marine Propulsion Systems Miramar, LLC representative for the required
information and materials.
2.16.5 9001 Mechanically Actuated Trolling Valve Control
• The purpose of a Trolling Valve is to lower the Clutch pressure, which allows the Clutch Plate
to slip.
• A full explanation is provided in the Installation Manual provided with the 9001 Trolling
Actuator.
• Further information on Trolling Valve Control can be found in Section 8.4: 9001 Actuator
Trolling Valve Control.