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- Autohelm ST7000
- Installation Instructions Manual
Raymarine Autohelm ST7000 Installation Instructions Manual
Summary of Autohelm ST7000
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St7000 installation.
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Autohelm autohelm autohelm autohelm ® ® ® ®.
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Contents 1. System description 2 4. Calibration 34 1.1.1 course computer 3 4.1 recommended settings 34 1.1.2 control unit 3 4.2 calibration mode 34 1.1.3 fluxgate compass 3 4.3 adjusting calibration 35 1.1.4 rudder reference transducer 4 4.4 display contrast adjustment 37 1.1.5 auxiliary alarm 4 4.5...
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1.
Page 6: 1. System Description
1. System description the st7000 is a modular automatic pilot system that can be built up to match the individual requirements of all types of vessels. A range of high efficiency rotary, linear, and hydraulic rudder drive units are available to match all types of steering systems. The st7000 is seat...
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1.1.1 course computer (cat. No. Z083-12v cat. No. Z084-24v) the course computer houses the microprocessor, electronic control circuitry and power amplifier for the drive unit. The course computer is splash proof only and must be mounted in a dry and protected position. The course computer is availab...
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1.1.4 rudder reference transducer (cat. No. Z131) the rudder reference transducer provides the course computer with a precise rudder position. It is mounted on a suitable base adjacent to the rudder stock. The interconnecting cable connects directly to the course computer connector unit. 1.1.5 auxil...
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1.1.7 type cr interface unit (cat. No. Z085) a standard st7000 course computer can be connected to the solenoids on a constant running hydraulic power pack using the type cr interface unit. The unit also provides connections to energise a solenoid operated bypass valve if required. 5.
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1.2 drive systems the st7000 offers a choice of mechanical or hydraulic drive units. All vessels with hydraulic steering will require a hydraulic drive unit (see section 1.2.3). Mechanical steering systems may be driven with either a rotary or linear drive unit. If space permits the linear drive uni...
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1.2.2 linear drive units the autohelm linear drive units are of outstanding design which features powerful thrust, fast hard overtimes and near silent operation. When backdriven the movement is smooth with minimal backdrive force. Using a high tensile belt drive and epicyclic reduction gearbox the p...
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7 1.2.3 hydraulic drive units two reversing hydraulic drive units are available depending on the size of the vessel and the displacement of the ram. The vessel size and displacement recommendations given below apply to directly driven steering systems. When a power steering system is fitted the vess...
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8.
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1.2.4 constant running power pack when steering loads require a ram capacity above 400cc (24in 3 ) the autohelm constant running power pack provides the ideal autopilot drive system. Hydraulic fluid is provided from a self contained reservoir and flow to the steering ram is controlled by integral so...
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Power pack selection (constant running) hydraulic power pack selection depends on the vessels overall length and the displacement of the steering cylinder. Using figure 2 establish the target hardover time for your vessel. This is combined with the steering cylinder displacement in figure 3 to selec...
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Specifications description size hardover/hardover time (unloaded) 8.8 secs stroke 190mm(7.5in) power consumption(typical average) 1.5 - 3 amps 1.2.5 sterndrive the sterndrive actuator must only be used on sterndrives with cable operated power assisted steering. The drive unit operates the power stee...
Page 17: 2. Installation
2. Installation 2.1.1 course computer mounting position - below deck the course computer should be positioned in a dry protected area of the vessel free from high operating temperatures and excessive vibration. It can be mounted in any attitude. Care must be taken to allow at least 150mm (6in) clear...
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2.1.2 control unit the control units must be mounted close to the steering stations and are designed for above or below deck installation. Position them where they are:- • reasonably well protected from physical damage. • at least 230mm (9in) from a compass. • at least 500mm (20in) from radio receiv...
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It is very important to ensure that the fluxgate is positioned at least 0.8m (2ft 6in) away from the vessel's steering compass in order to avoid deviation of both compasses. The fluxgate must also be positioned as far away as possible from large iron masses, such as the engine and other magnetic dev...
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The rudder reference arm movement is limited to ± 60 deg. Care must be taken during installation to ensure the rudder reference arm is opposite the cable entry when the rudder is amidships. Failure to do this could result in damage if the rudder reference arm is driven onto its end stops by the stee...
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2.1.6 masthead transducer (sail only) installation (fig. 13) • with the threaded end of the mounting block i facing forward, mark the position for the 2 self tapping screws. • drill the holes using the 4.0mm (5/32in) drill bit supplied. • attach the mounting block using sealing compound. • tighten t...
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The drive unit is mounted by bolting to a substantial frame member (fig. 16). The mounting foot is secured to the drive unit by four equally spaced caphead screws and may be rotated through 90 deg. To provide a more convenient mounting position if required (fig. 17). In some cases, it may be necessa...
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Both sprockets must be accurately aligned to run in the same plane and correct alignment must be carefully checked by means of a straight edge. The gearbox may be mounted in any convenient attitude. In addition, the drive sprocket may face any direction since steering sense can be corrected when the...
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The mounting bracket should be bolted to a substantial frame number. Always over engineer to ensure reliability and maintenance of correct alignment. Installation the pushrod ball end must be attached to the tiller arm using the fixing bolt supplied with its flange positioned between the ball end an...
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When the installation has been completed the hydraulic pump may be operated by switching the control unit to auto and operating the + 10 deg. And - 10 deg course change buttons. Greater motor movements will be obtained if the rudder gain is set to maximum. The hydraulic steering system should be ble...
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Bypass valve (cat. No. Z079) (fig. 25) if the autopilot operated hydraulic cylinder is independent of the manual steering system a solenoid operated bypass valve should be fitted to allow the cylinder to backdrive when manual steering. The bypass valve should be connected to the 'bypass' connector o...
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2.2.4 stern drive actuator the drive unit can be fitted to power assisted stern drive systems made by volvo penta, mercruiser, omc and yamaha. A different installation kit is required for each manufacturer volvo penta installation (using d129 kit, fig. 26) the stern drive actuator should be connecte...
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• uncouple the engine tie bar from the outdrive tiller arm by bending back the lock tabs and removing the cotter pin. This should be replaced with the multi-engine adaptor pin, ensuring that it is secured properly with a split pin* (fig.28) (on single engine installation, fit the single engine adapt...
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Mercruiser installation (using di 37 kit) (also omc &yamaha) the drive unit should be mounted onto the tiller end block and the pushrod connected to the cable end sheath via a custom mounting bracket. The first stage of installation is to fit the custom bracket:- mercruiser bracket mounting kit (d13...
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Mounting in a restricted area if an obstruction prevents installation of the drive unit as supplied, the main body can be rotated relative to the mounting bracket as follows (fig. 33): • remove the 2 fixing screws and gently slide the cover forwards, ensuring that the four cables do not pull from th...
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2.3 cabling and power supplies 2.3.1 signal cabling system components cable connections for all components are shown schematically in fig. 1. All components, other than the actuator motor, connect to the course computer connector unit where they are permanently wired to connector blocks mounted on a...
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Where additional cables have to be brought into the connector unit, the blanking discs (fig. 35) should be pressed out and replaced with the rubber grommets supplied. After cutting the interconnecting cable to length (fig. 36), it may be passed through the inserted rubber grommet and prepared for co...
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If preferred, any 2 core screen cable which has the following specification may be used in the place of the seatalk cable. Minimum copper area screen 0.5mm 2 2 cores 0.5mm 2 2.3.4 d.C. Power supplies and drive unit connections. The st7000 requires two d.C. Power supplies, one, a heavy duty supply (w...
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Type 2 drive units total cable length cable type copper area cable gauge up to 7m 56/0.3 4.0mm 2 12 awg up to 10m 84/0.3 6.0mm 2 10 awg up to 16m 84/0.4 10.0mm 2 7 awg when connecting the power supplies to the main distribution panel and to the course computer spade connectors, it is essential that ...
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It is important to minimise the overall cable length between the solenoid valves and the vessel's power distribution panel. Having sited the course computer use the following table to select the appropriate cable. Course computer power supply cable length, power supply to course computer cable type ...
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Solenoid valve power supply cable length, course computer to power pack cable type copper area cable gauge up to 7m 50/0.25 2.5mm 2 12 awg up to 12m 56/0.3 4.0mm 2 10 awg up to 17m 84/0.3 6.0mm 2 8 awg the solenoid valve connectors can only accept cable up to 2.5mm 2 copper area. If larger cable is ...
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3. Functional test the following functional test and set up procedures must be carried out before sea trials are attempted. 3.1 switch on switch on the electrical supply from the main panel. All control units will emit a short beep tone and display 'st7000'. Within 2 seconds standby will be displaye...
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• for hydraulic systems ensure there is no seepage of hydraulic fluid and that the steering ram moves smoothly. • repeat using the - 10 button to drive the rudder hardover to the opposite end stop. Current limit and cutout when the rudder is driven onto end stops drive will be cut out after a few se...
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4. Calibration 4.1 recommended settings as supplied the st7000 can be switched on and tested safely without any adjustments to the factory calibration settings. The table below lists the suggested settings for sailing and power displacement and planing power vessels. These will provide good performa...
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4.3 adjusting calibration in calibration mode, the display button is used to scroll through the menu. The displayed value is adjusted using the response buttons (hold button down for fast scroll). • rudder gain, levels 1 to 9 (see 5.5 & 5.6) • rate gain, levels 1 to 9 (see 5.8) (counter rudder) • ru...
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• off-course alarm, 15 to 40 deg. Angle • automatic trim (see 5.4). • remote control identifier (for future use) • manual steering lever type • autopilot drive unit type • rudder position deadband (levels 1 to 9), (see 3.6) 36.
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• northerly/southerly heading instability select hemisphere 0 (off) n (north) s (south) enter local latitude using response keys. A typical display in the northern hemisphere would be: and in the southern hemisphere • auto release (see 3.8 & 5.7) off 1 = on the auto release facility is designed to p...
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4.7 rudder and rate gain tables • rudder gain level value 1 0.1 2 0.14 3 0.19 4 0.25 5 0.35 6 0.47 7 0.65 if the 'cal' display reappears at any stage during calibration mode please press display to advance to the next menu level 8 0.88 9 1.2 • rate gain (seconds) level value 1 0.2 2 0.24 3 0.3 4.5 p...
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5. Initial sea trials initial sea trials should be carried out in calm conditions with plenty of sea room. As the vessel will be constantly changing heading it is very important to maintain a constant look out. Before sea trials:- • carry out the functional test (section 3) to verify that the autopi...
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To ensure precise course adjustments the sea state control is automatically reset whenever a 10 deg. Course change is selected. Level 2 - automatic sea state inhibit where increased course keeping accuracy is required the automatic sea state control can be inhibited by moving to response level 2. Au...
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5.6 rudder gain adjustment (high speed planing craft) it is particularly important that the rudder gain is correctly set on high speed craft. Incorrect adjustment will lead to poor steering performance and is a dangerous condition at high speed. Adjust as follows: optimum setting • set to rudder gai...
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5.9 compass alignment if it is necessary to change compass alignment without carrying out the automatic deviation correction proceed as follows:- • push and hold standby for 1 second to select compass adjust mode. • push display once to bypass automatic deviation correction • use the course change b...
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6. Track control track control allows the st7000 to maintain track between two waypoints entered on a gps, decca, loran or satellite navigation system. The navigation system must have a suitable autopilot output which at minimum transmits cross track error to one of the following formats. Nmea 0180 ...
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Waypoint advance if your navigation receiver transmits valid waypoint number and bearing to waypoint nmea headers (see table) it is possible to advance from one waypoint to the next by simply pressing the track button. As the vessel passes the target waypoint the navigation receiver should select, m...
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Up waypoints, remember that deviations will occur, and thoroughly check along each track and to 0.5nm each side to ensure that there are no hazards within the zone. Always confirm the position given by the radio navigation receiver using an easily identifiable fixed object at the start of a passage ...
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Raymarine ltd. Anchorage park portsmouth hampshire po3 5td uk tel +44 23 9269 3611 fax +44 23 9269 4642 www.Raymarine.Com.