The core business of Kwant Controls is the design and manufacturing of various types of control units for the electrical remote control of practically all kinds of propulsion and steering devices, such as: traditional main engine/clutch/CPP-FPP shaft lines, tunnel thrusters, azimuthal thrusters, rudders and water jets.
Products
- Most units can be equipped with drive motors for automatic lever synchronization in a multi-station electric shaft/telegraph system.
- Various machinery interfaces can be selected from e.g. potentiometer, 4-20mA, micro-switch contacts or even integrated CAN.
- In case of remote control failure, one can rely on our traditional lamp type Engine Order Telegraphs, for signalling between Bridge, Control- and Engine Room.
- Feedback from the vessel’s actuators can be displayed using our panel- or ceiling mounted range of indicators.
- Customer specific control panels, with built-in lever units, signal lamps, pushbuttons, indicators, buzzers, electronic dimmers et cetera can be supplied. These panels are available with interface modules and PLC’s, together forming a Propulsion Remote Control system tailored to customer requirements, completely functional Factory tested (with or without class and/or customer in attendance).
- For maximum flexibility of control on board, and eliminating the need for having fixed control positions, class approved portable wireless control systems can be supplied with all control devices integrated.
ASA-series, 360°
Indicators of the ASA-series have been designed for 360° endless thruster azimuth angle indication. They are based on the servomotor principle and require only an external potentiometer as well as a 24VDC supply voltage to make them operational.
The essential difference when compared to standard indicators, is that the ASA’s pointer(s) can rotate endlessly without an end stop. To achieve this, a twin wiper potentiometer must be used as angle transmitter.
Specs
- ASA-1: Panel mounted, 96x96mm, IP40;
- ASA-2: Ceiling mounted, dual pointer, Ø400x135mm;
- ASA-3: Ceiling mounted, single pointer, Ø400x135mm;
- ASA-4: Panel mounted, 144x144mm, IP40;
- MED approved.
Options
- Watertight front IP56.
- Kwant Controls also supplies a matching thruster position feedback signal transmitter mounted in a rugged housing, the ASG-1, which can be linked to the thruster shaft by means of a sprocket and chain connection. A combination of the ASG-1 and one (or more) of the ASA indicators together form a reliable thruster position indication system that will last for many years without any maintenance.
Related Products
LBM-series, bargraph
The Kwant Controls bar graph indicators of the LBM series are equipped with 41 light emitting diodes (LED’s) in either green, red or yellow, therefore the display resolution is 2,5%. They can be dimmed by means of an external low cost potentiometer, and have dial illumination in matching colours. The housing is made of black anodized aluminium, while the electronic circuitry has been sealed with a hardening compound to ensure trouble free operation. The reading can be adjusted by means of two trimmer potentiometers located at the back of the unit. The LBM-4 and 5 are available in horizontal or vertical orientation.
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ISI-series, general purpose
The general purpose indicators of the ISI (Isolated Signal Indicators) series have been designed for various applications and offer the advantage of galvanic separation of the input signal and the supply voltage, thus preventing ground loop problems. The series is based on the DC servomotor principle and require an external 4-20mA signal source as well as a 24VDC supply voltage. The 24VDC LED dial illumination can be dimmed externally.
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PMA-1 & 2
The PMA-1 is the basic angle controller that allows for driving any angle transmitter, usually a potentiometer. Main applications are rudder- and transverse thruster control.
The PMA-2 is a PMA-1 with the spring return to zero feature.
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RSCU mk3
The RSC U-mk3 series consist of two members in the following executions:
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- RSCU-mk3 (144x144mm);
- RSCU-mk3.4 (160x160mm, motorized version).
RSA-series, Rudder angle
Indicators of the RSA-series have been especially designed for rudder angle indication. Types RSA-3 thru RSA-7 are based on the same servomotor principle (RSM-4) and require only an external potentiometer as well as a 24VDC supply voltage to make them operational. The RSA-9 and RSA-10 are cost reduced versions of the RSA-7 and RSA-4 respectively.
Kwant Controls also supplies a matching signal transmitter mounted in a rugged housing, the RSG.-1 which can be linked to the rudder machine by means of a sprocket and chain connection. A combination of the RSG-1 and one (or more) of the RSA indicators together form a reliable rudder angle indication system that will last for many years without any maintenance. Diagrams have been added to show some of the possible system set-up’s. In case a panel indicator with a 4-20mA signal input is required, an indicator of the ISI family should be used. These indicators offer galvanic isolation of the input signal and power supply. Please refer to the ISI datasheet for further information.
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