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Simrad AP26 and AP27 Autopilots
PREVIOUS MODELS OF DRIVE UNITS
Model | Autopilot | Drive unit | Input | Drive output | Interface to |
| computer | voltage | voltage |
| steering |
|
|
| (Mains) |
| gear |
RPU100 (1,0l) | AC20 | 12V | 12,24,32V | Proportional | Hydraulic |
RPU150 (1,5l) | AC20 | 12V |
| rate | plumbing |
RPU200 (2,0l) | AC20 | 24V |
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(Reversible |
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hydraulic |
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pump) |
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|
RPU1 (1,4/2,0l) | AC10 | 12V, 24V |
| Solenoid | Hydraulic |
RPU3 (3,8/5,0l) | AC10 | 24V, 24V |
| valves, on/off | plumbing |
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MRD100 | AC40 | 12V | 12,24,32V | 12V to clutch | Chain/ |
(Reversible | AC20 | 24V | 24,32V | 24V to clutch | sprockets |
mechanical |
|
|
| Proportional |
|
drive) |
|
|
| rate to motor |
|
MRD150 | AC20 | 12V | 12, 24V | 12V to clutch | Chain/ |
(USA only) |
| 32V | 32V | 32V to clutch | sprocket |
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| Proportional |
| |
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| |
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| rate to motor |
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Note ! When selecting DRIVE UNIT voltage in the Installation setup, the clutch/bypass voltage is always set equal to the motor voltage. If a retrofit installation where e.g. a HLD2000 has a 12V motor and a 24V bypass valve, the bypass valve solenoid has to be changed back to standard 12V version.
Connecting a reversible pump
Simrad reversible pump
AUTOPILOT COMPUTER
POWER PCB
TB1 TB2 TB3 TB4 TB5
TB6
Sol. | Sol. |
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Figure 3-5 Connecting a reversible pump
60 | 20221586B |