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Simrad AC42 User Manual

Simrad AC42
54 pages
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www.simrad-yachting.com A brand by Navico - Leader in Marine Electronics
Installation manual
Simrad AP24/AP28 Autopilots with
AC12/AC42 Autopilot Computers
English
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Simrad AC42 Specifications

General IconGeneral
TypeAutopilot System
Power Supply12/24V DC
Operating Temperature-15°C to +55°C
Water ResistanceIPX6
Maximum Drive Output Current10A
Compass Heading Resolution0.1°
Humidity95% non-condensing
Storage Temperature-25°C to +70°C
CompatibilityNMEA 2000
CertificationCE

Summary

About this Manual

Manual Purpose and Guidance

Explains the manual's intent and highlights emphasized text for reader attention.

System Description

General System Overview

Overview of the autopilot computer as the main unit in AP24/AP28 systems.

Manual Usage Guidelines

Guidance on reading the manual and understanding system components.

Software Record Information

Information on checking serial numbers and software versions for control units and computers.

Installation

Installation Checklist

Step-by-step guide for autopilot system installation.

Unpacking and Handling Procedures

Instructions for carefully unpacking and inspecting autopilot system components.

System Configuration Planning

Guidance on understanding system configuration before installation.

Autopilot System Layout Diagram

Diagram illustrating the AP24 basic system layout and component connections.

Autopilot Computer Mounting

Details on mounting the autopilot computer unit vertically and avoiding water exposure.

Cabling and Wire Gauge Recommendations

Recommendations for using shielded cables and proper wire gauge for motor supply.

Drive Unit Cable Size Tables

Table providing recommended cable sizes based on voltage and length for drive units.

AC Board Terminals and Protection Measures

Explains AC12/AC42 board terminals, polarity protection, and RFI considerations.

Rudder Feedback Unit Installation

Mounting and mechanical linkage instructions for RF300 and RF25 rudder feedback units.

Rudder Feedback Mounting Alignment

Detailed guide on rudder feedback unit alignment and linkage for optimal performance.

LF3000 Linear Feedback Unit Setup

Information on installing the LF3000 waterproof feedback unit with specific mounting brackets.

LF3000 Linear Feedback Mounting Steps

Step-by-step instructions for mounting the LF3000 linear feedback unit to the drive unit cylinder.

Drive Unit Installation and Hydraulic Pump Specs

Information on drive units, voltage, and performance tables for hydraulic pumps.

Drive Unit Connections and Linear Drive Specs

Details on linear drive units and connecting reversible pumps to the autopilot computer.

Control Unit Environmental Considerations

Avoid mounting control units in direct sunlight or where moisture is present.

AP24 Control Unit Mounting Options

Instructions for panel mounting and optional bracket mounting of the AP24 control unit.

AP28 Control Unit Mounting Options

Details for panel and bracket mounting of the AP28 control unit.

Compass Sensor Installation Procedures

Guidelines for mounting the FC40 and RC42 compass sensors for accurate heading data.

Remote Control and Joystick Installation

Mounting instructions for the R3000X remote control and JS10 joystick.

S35 NFU Lever and Interfacing

Instructions for installing the S35 NFU Lever and system interfacing options.

SimNet Network Cabling and Setup

Details on SimNet cable system, connectors, and network setup.

SimNet Power and Termination Rules

Rules for SimNet power connection and network termination to prevent interference.

SimNet Network Topology Examples

Illustrates small and medium SimNet network configurations and connections.

SimNet Expanded Network Diagram

Diagram illustrating an expanded SimNet network configuration and connections.

External Alarm Circuit Connection

Diagram and specifications for connecting an external alarm relay or buzzer.

Spare Parts List

AP24 and AP28 Control Unit Parts

Lists part numbers for AP24/AP28 control units and their mounting kit accessories.

Autopilot Computer and Accessories Parts

Lists part numbers for AC12/AC42 autopilot computers and related accessories.

Compass and Rudder Feedback Spare Parts

Lists spare parts for FC40, RC42 compasses and RF300, RF25 rudder feedback units.

SimNet Cables and Accessories Catalog

Catalog of SimNet cables, joiners, and accessories for network expansion and connection.

Technical Specifications

Autopilot System Overview

Overview of autopilot system capabilities, boat types, and network specifications.

Autopilot System Operation Modes and Data Interface

Details on steering modes, turn modes, and instrument data interface (PGNs).

SimNet/NMEA2000 PGN Data Mapping

Specifies SimNet/NMEA2000 PGNs for various instrument data points.

AP24 Control Unit Detailed Specs

Detailed specifications including dimensions, weight, power, and environmental protection for AP24.

AP28 Control Unit Detailed Specs

Detailed specifications including dimensions, weight, power, and environmental protection for AP28.

Autopilot Computer AC12/AC42 Specs

Technical data for AC12/AC42 autopilot computers, including drive capabilities and inputs.

Autopilot Computer Dimensions and Cable Retainer

Diagrams showing AC12/AC42 dimensions and cable retainer specifications.

FC40 Fluxgate Compass Detailed Specs

Technical details for the FC40 compass, including performance and environmental ratings.

RC42 Rate Compass Detailed Specs

Technical details for the RC42 compass, similar to FC40, including performance and environmental ratings.

RF300 Rudder Feedback Detailed Specs

Specifications for the RF300 rudder feedback unit, including angle and linearity.

RF25 Rudder Feedback Detailed Specs

Specifications for the RF25 rudder feedback unit, including angle and accuracy.

R3000X Remote Control Detailed Specs

Technical details for the R3000X remote control, including dimensions and environmental protection.

JS10 Joystick Detailed Specs

Specifications for the JS10 joystick, including environmental protection and shock resistance.

SimNet Network Technical Parameters

Technical parameters for the SimNet network, including cable length and bit rate.

IP Protection Classification Explained

Explanation of IP rating system for equipment protection against solids and liquids.

AT10 SimNet/NMEA0183 Converter Details

Details and wiring for the AT10 converter, enabling SimNet to NMEA0183 communication.

NMEA Data Sentence Conversion Table

Table showing data converted between SimNet/NMEA2000 and NMEA0183 sentences.

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