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Jastram ENGINEERING DSC 100 System Manual

Digital steering control system
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System Manual
Digital Steering Control System
Model: DSC 100 and MCP 100
Document No.: MAN01504
Revision: -
This manual is subject to change without prior notice.
135 Riverside Drive, North Vancouver, B.C., Canada, V7H 1T6
TEL: 604-988-1111
FAX: 604-986-0334
WEB: www.jastram.com

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  • Page 1 System Manual Digital Steering Control System Model: DSC 100 and MCP 100 Document No.: MAN01504 Revision: - This manual is subject to change without prior notice. 135 Riverside Drive, North Vancouver, B.C., Canada, V7H 1T6 TEL: 604-988-1111 FAX: 604-986-0334 WEB: www.jastram.com...

  • Page 2: Document History

    Document History Page 2 of 80 Document History Document No. MAN01504 Jastram DSC 100 & MCP 100 Rev. Date DCN No. Action / Changes / References 20-02-06 Original Issue Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 3: Table Of Contents

    2.4.3 Analog Device #1 Rudder Order Indicator ................39 2.4.4 Digital Device Rudder Order Indicator..................40 2.4.5 Indicator Backlighting ......................41 3 SYSTEM OPERATION.................... 43 ........................43 OWER ......................44 TATION RANSFER Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 4 DSC TERMINAL BLOCK CONFIGURATION..............74 DSC BACKUP NFU SIMPLIFIED SCHEMATIC ..............75 DSC BACKUP NFU RHEOSTAT MOUNTING ARRANGEMENT ........76 DIGITAL HELM & MANIFOLD HYDRAULIC SCHEMATIC ..........77 MCP OVERALL DIMENSIONS ..................78 MCP TERMINAL BLOCK CONFIGURATION ..............79 Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 5: Preface

    Section 4 provides the information necessary to commission and calibrate the steering control system. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 6: Conventions

    If this information is not followed, the result could cause damage to the hardware, software or possibly injury to people. WARNING: IF THIS INFORMATION IS NOT HEEDED, INJURY OR DEATH OF PEOPLE AND DESTRUCTION OF PROPERTY MAY RESULT. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 7: Dsc

    PC and a proprietary software program. The DSC can also be configured and commissioned using the keypad and LCD screen on the DSC. When the DSC is operating in its run mode the LCD screen is used to provide Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 8 The DSC can be mounted using four ¼” (6mm) screws or bolts with washers. NOTE: The DSC enclosure top, including the circuits, can be separated and removed from the DSC enclosure bottom without removing the enclosure bottom from its shipboard mounting location. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 9 For information regarding commissioning using the DSC Setup Software see section 4.1. For information regarding commissioning using the keypad and display screen see section 4.2. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 10: Serial Links

    Cable: .......... 2 twisted shielded pairs, 120Ω controlled impedance, RS485 communication cable, Belden 9842 or equiv. Maximum cable length: ....230m (750 ft.) Connector: ........5.08mm pitch screw terminals Installation Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 11: Dsc To Dsc Communications

    / slave arrangement. Use of this communication channel requires a pluggable I/O circuit card to be installed in the DSC’s inter-DSC communication slot to complete the interface. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 12 Slave autopilot arrangement is turned on through the DSC Setup Software in the Autopilot Configuration Window (see section 4.1.1) or through the Autopilot menu of the keypad setup (see section 4.2.4). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 13: Inputs

    200 ft. (61 m). For each additional 100 ft. (30 m) of cable length, the diameter of cable conductors should be increased by 1 AWG. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 14: Rudder Feedback

    The rudder feedback signal is calibrated by the DSC and therefore it is not necessary to make precise adjustments of the feedback signal with respect to the actual rudder position. The polarity of the rudder feedback Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 15 If differential analog type rudder feedback signal is used, jumpers J8 and J10 in the DSC must be set to the ‘DF’ position. Jumper J39 can also be shorted in order to enable feedback cable break protection. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 16: Autopilot Solenoid Command Signals

    ‘slave’ rudder and will receive its positional commands from the ‘master’ DSC through the use of the DSC to DSC communication channel. See also: 1.3.4 Autopilot Analog Command Signals Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 17: Autopilot Analog Command Signals

    An autopilot which outputs analog rudder command signals will normally not require its own rudder feedback signal. The analog command input provides interfacing to autopilot systems capable of outputting one or more differential analog command signals Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 18 ‘Request’ and ‘Acknowledge’ handshake signals (see 1.3.5 and 1.4.4). Autopilots are interfaced to the steering control system using either these analog command signals or the solenoid command signals (see 1.3.3). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 19: Autopilot Acknowledge

    Cable Break Protection ....Yes Connector: ........5.08mm pitch screw terminals Installation These connections may be combined in the same cable as the autopilot ‘Command’ signal and ‘Request’ handshake signal (see 1.3.3 1.3.4 1.4.4). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 20: Backup Nfu System

    This rheostat provides current limitation and rudder speed control for the backup NFU system. See drawing DSC Backup NFU Simplified Schematic. See also: 1.4.5 Backup NFU Status Output Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 21 Commissioning If the Backup NFU system is used with a proportional solenoid valve, the adjustable rheostat must be adjusted in order to attain the required rudder speed under NFU control. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 22: Outputs

    Specifications Output Voltage......12 or 24 VDC Output Format......Common positive Maximum Output Power ....48 W PWM Frequency ......2 kHz Connector: ........5.08mm pitch screw terminals Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 23: Fast Rudder Solenoid

    DSC controls this output in order to step the rudder speed up and down during larger rudder movements. The rudder speed is reduced during final approach to the commanded rudder position. Controlling the Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 24: Digital Helm Manifold Solenoids

    The number of wheel turns representing a hard over to hard over command is adjustable through the DSC setup. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 25: Autopilot Request

    The other half of the handshake is the Autopilot Acknowledge signal described in section 1.3.5. The DSC will not move the rudder in response to autopilot rudder commands until both the request and acknowledge conditions have been met. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 26: Backup Nfu Status

    The contact is used to tell another piece of equipment, such as an emergency station or solenoid selector control unit Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 27: General Alarm Contact

    Maximum Switching Capacity ..0.5 Amps Connector: ........5.08mm pitch screw terminals Installation General alarm dry contact is closed when the DSC is operating normally with no existing fault conditions. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 28 DSC - Outputs Page 28 of 80 Commissioning There are no specific commissioning procedures associated with this connection. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 29: Mcp

    Short Circuit Protection: ....Yes 1.5 Amp fuse Mounting: ........Bulkhead Installation The MCP is to be bulkhead mounted in a location protected from exposure to severe weather and heavy seas. See Drawing for MCP Overall Dimensions. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 30 MCP must also be calibrated using the DSC Setup Software in the SCP Meter Calibration and SCP Command Calibration windows (see section 4.2) or through the DSC’s keypad entry (see section 4.2.5). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 31: Serial Links

    Cable: .......... 2 twisted shielded pairs, 120Ω controlled impedance, RS485 communication cable, Belden 9842 or equiv. Maximum cable length: ....230m (750 ft.) Cable Break Protection ....Yes Connector: ........3.81mm pitch pluggable screw terminals Installation Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 32 For information regarding commissioning using the DSC Setup Software see section 4.1.1. For information regarding commissioning using the keypad and display screen see section 4.2.2. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 33: Inputs

    Each mode selection button is assigned a specific function through the DSC Setup Software in the SCP Configuration Window (see section 4.1.1) or through the DSC’s keypad entry SCP menu (see section 4.2.2). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 34: Nfu Command Device

    If a NFU device is connected to the primary MCP then the system must be configured with the SCP 1 NFU Mode set to ‘Connected to SCP 1’. These configuration settings are Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 35: Analog Ffu Command Device #1

    Analog FFU Command Device #2 Description This input connects to a second FFU controller in exactly the same way as described above except that there is no rudder order indicator output available. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 36: Digital Ffu Command Device

    This information is used to alter the rudder position command signal. An ROI signal is available to display the present rudder command of this input. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 37 Digital input device can also be reversed in the SCP Configuration window of the DSC Setup Software (see section 4.1.1) or through the SCP menu of the keypad setup (see section 4.2.2). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 38: Outputs

    PWM Frequency ......78 Hz Output Current ......500mA per indicator Connector ........3.81mm pitch pluggable screw terminals Installation Number of conductors required will depend on the number of mode indicators used. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 39: Rudder Angle Indicator

    The analog rudder order indicator output displays the current rudder position command present at the FFU Analog Command Device #1. This output will always reflect the Analog Command Device #1 even when it is Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 40: Digital Device Rudder Order Indicator

    This arrangement will allow a single indicator to act as a rudder angle indicator and a rudder order indicator. Although, this output does not provide independent rudder angle indication as is required by classification. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 41: Indicator Backlighting

    Specifications Indicator Common ....... 12 of 24 VDC from MCP Indicator Signal Format....PWM controlled sinking to ground PWM Frequency ......80 Hz Output Current ......1000mA Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 42 If dimmer controlled backlighting is not required connect indicator backlight NEG lead to terminal 4 instead of terminal 5. Commissioning There are no specific commissioning procedures associated with this connection. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 43: System Operation

    The station transfer function will also be disengaged and the audio indicator will turn off. This allows the operator to turn off the hydraulic pump and place the steering control system is a standby mode. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 44: Station Transfer

    If the operator initiates the transfer function, it can be cancel from the active station by re-selecting a steering mode at that station. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 45: Steering Modes

    The DSC, in this case, has the ability to provide a certain amount of acceleration and deceleration of a proportional rudder control system even in NFU steering mode. This will ensure that a proportional system is used to its full advantage. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 46: Analog Ffu #1

    Analog FFU #1 except that it uses a second command device connected to a separate MCP input. The MCP does not provide a Rudder Order Indicator signal for this device. See also: 2.3.4 Analog FFU Command Device #2 Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 47: Digital Ffu

    The Digital Helm operates like a normal manual helm pump and at the same time contains a digital optical encoder that rotates as the helm is turned. The hydraulic lines of the Digital Helm are Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 48: Autopilot

    The rudder position will then be controlled by the autopilot system through either the Autopilot Solenoid Command Signals (see 1.3.3) or the Autopilot Analog Command Signals (see 1.3.4). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 49: Rudder Speed

    The RUDDER SPEED button and indicator are used to toggle the system between slow and fast rudder speeds. Selection of rudder speed will affect steering control systems differently depending on which type of Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 50 Values are also programmed, in seconds, for acceleration and deceleration of the rudder in FFU and NFU modes. Separate values are input for FFU and NFU modes. This is so that shorter acceleration Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 51: Dual Independent Systems

    If both rudders were at opposite hard over angles then upon selecting DIGITAL FFU mode the two rudders will move to the midship position. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 52 When the slave system is placed in the AUTOPILOT mode it will receive rudder position commands from the master system via the DSC-DSC communication link. This will ensure that under AUTOPILOT control the port and starboard rudders remain synchronized. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 53: Configuration And Calibration

    Digital Steering Controller. The data are contained in folders and Property Sheets arranged in an outline format. Folders can contain other Folders and Property Sheets. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 54 OPEN DSC under the FILE menu bar connects to a DSC in “on-line” mode and that controller’s configuration information (if an RS-232 cable connects the computer and DSC) is displayed. When a DSC is connected Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 55: Setup Software Configuration

    The setup Property Sheets that will require information during configuration process are Valve Settings, Rudder Feedback Configuration, System Configuration, Rudder Time Settings, Autopilot Configuration and SCP Configuration. Calibration procedures are steps in the Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 56 PID controller and the desired response of a proportional hydraulic solenoid valve. Enter the appropriate new values in the Data Entry Blocks. When finished, click the SET button before clicking the CLOSE button. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 57 Select the appropriate setting from the drop down lists. When finished, click the SET button before clicking the CLOSE button. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 58 Configuration Tab settings are adjusted for the system voltage (12 or 24 volts), rudder angle, solenoid type (on-off proportional), synchronized system (on or off) and dual speed control (on or off). Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 59 MCP then “Connected to SCP1” should be selected. The final setting is used turn on or off the DSC’s NMEA output. At this time the NMEA output is not available and should therefore be set to “Off”. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 60 For proportional valves, the FFU Accelerate and FFU Decelerate values determine the amount of time, in seconds, the rudder will take to accelerate from a standstill to maximum rotational speed and decelerate from maximum rotational speed to a standstill. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 61 Again, this will help reduce hammering and wear and tear on the mechanical components. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 62 NFU input device that is connected to the MCP will cause the rudder to move away from the autopilot’s commanded position while in Autopilot Control mode. One the NFU device is released, Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 63 When a station’s lockout is enabled, control can not be taken at that station unless the TRANSFER mode is first engaged by the active station. Station lockout can be enabled or disabled at Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 64: System Calibration

    To begin on-line calibration, turn on the DSC and the computer. Start the DSCsetup application, and from the File menu select OPEN DSC. Identify which communication port RS-232 cable connected to. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 65 SET will transfer the values in the right column to the DSC. ORIGINAL button will restore the last set values to the right column. DEFAULT will set Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 66 A or MARK B button. It is not critical which one you click. Then move the rudder to the opposite hard over and click the opposite MARK A or MARK B button. Once the midships and hard over positions have been entered Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 67 SCP’s for Rudder Angle, Digital Helm Rudder Order and/or FFU Input 1 Rudder Order may require a gain adjustment to ensure that each indicator displays the correct hard over angle. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 68 STBD from the drop down list and repeat the adjustment for each indicator type used. With STBD selected the opposite three LED’s will be lit to indicate which trimmers to adjust. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 69 Click the SET button before closing in order to accept the new values and to enter them to the DSC. Repeat this process for each of the analog FFU input devices in the system. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 70: Dsc Keypad Setup

    DSC Menu Information to follow. 4.2.2 SCP Menu Information to follow. 4.2.3 Rudder Time Settings Menu Information to follow. 4.2.4 Autopilot Menu Information to follow. 4.2.5 Calibration Menu Information to follow. Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 71: Drawings

    DSC ASSEMBLY DSC TERMINAL BLOCK CONFIGURATION DSC BACKUP NFU SIMPLIFIED ELECTRICAL SCHEMATIC DSC BACKUP NFU RHEOSTAT MOUNTING ARRANGEMENT DIGITAL HELM & MANIFOLD HYDRAULIC SCHEMATIC MCP OVERALL DIMENSIONS MCP TERMINAL BLOCK CONFIGURATIONS Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 72: Dsc Overall Dimensions

    DRAWINGS Page 72 of 80 DSC OVERALL DIMENSIONS Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 73: Dsc Assembly

    DRAWINGS Page 73 of 80 DSC ASSEMBLY Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 74: Dsc Terminal Block Configuration

    DRAWINGS Page 74 of 80 DSC TERMINAL BLOCK CONFIGURATION Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 75: Dsc Backup Nfu Simplified Schematic

    DRAWINGS Page 75 of 80 DSC BACKUP NFU SIMPLIFIED SCHEMATIC Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 76: Dsc Backup Nfu Rheostat Mounting Arrangement

    DRAWINGS Page 76 of 80 DSC BACKUP NFU RHEOSTAT MOUNTING ARRANGEMENT Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 77: Digital Helm & Manifold Hydraulic Schematic

    DRAWINGS Page 77 of 80 DIGITAL HELM & MANIFOLD HYDRAULIC SCHEMATIC Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 78: Mcp Overall Dimensions

    DRAWINGS Page 78 of 80 MCP OVERALL DIMENSIONS Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

  • Page 79: Mcp Terminal Block Configuration

    DRAWINGS Page 79 of 80 MCP TERMINAL BLOCK CONFIGURATION Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...
  • Page 80 Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual...

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