10.1.1.2 9121 (Throttle Servo 2, Shift Solenoid, Troll Servo 1) Processor
The 9121 Processor is designed to precisely control speed, direction, and trolling valve on vessels
equipped with mechanical Throttle and Trolling Valve, and Solenoid Clutch Selectors.
Figure 10-2: 9121 Basic Twin Screw, Two Station Diagram
IDLEFULL
33C PUSH/PULL CABLE
33C PUSH/PULL CABLE
IDLE
FULL
THROTTLETROLL
STBD
STATION 2
STATION 1
PORT
12295-
SERIAL COMMUNICATION
10 AMP CIRCUIT BREAKERS
(BY OTHERS)
COMMON
GROUND
COMMON
GROUND
+
-
+
-
APS
CLUTCH PRES.
START INTERLOCK
ALARM
START INTERLOCK
CLUTCH PRES.
ALARM
TACH 1 TACH 1
MAX
SLIP
MIN
SLIP
AHEAD/ASTERN
TROLL COMMAND
TROLL ON/OFF
AHEAD/ASTERN
TROLL COMMAND
TROLL ON/OFF
MAX
SLIP
MIN
SLIP
THROTTLETROLL
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