INTEGRATED MACHINERY CONTROL SYSTEM INTRODUCTION 1.1 Preamble This Statement of Technical Requirements (SOTRs) establishes the requirements for the design, manufacture and supply of a Integrated Machinery Control System (IMCS) for the Naval Vessels. 1.2 Scope

The scope of this document is to give a broad outline of the requirements of a IMCS. The scope has been defined around a fibre-optic databus based network system that shall be common to any other module, if it is to be incorporated. Except for the functionality differences between the IMCS and any other modules such as the Battle Damage Control System (BDCS), the systems shall be identical in hardware and software architecture to ensure maximum commonality. The vendor shall therefore provide a common and integrated documentation, training & support for the IMCS or the other systems, if such extension is introduced. If more systems are introduced then the other systems shall share a common databus and multifunction consoles of either system shall provide full access to functionality of the other systems such that the complete system shall operate as one integrated system. 1.3 Purpose

The purpose of this system is to provide control and monitoring of ships main and auxiliary machinery, stabilizers, steering gear, AC and Refrigeration plants, DAs,and ships systems like firemain, sullage ballast, bilges etc. 2. APPLICABLE DOCUMENTS 2.1 The latest issues of the following documents in effect are to form a part of this specification to the extent specified herein, except where a specific issue is indicated. In the event of a conflict between the contents of this document and the applicable portions of the referenced documents, the contents of this document shall take precedence. In addition, in the event of a conflict between the referenced documents, the more stringent requirement shall apply.

JSS 55555 MIL-S-901D

Environmental Test methods Electronic & Electrical Equipment.


Shock Tests, H.I. (High Impact); Shipboard Machinery, Equipment and Systems, Requirements for Classification of Degree of Protection provided by enclosures of Electrical equipment. Software Development Process

ISO 12063, 1987 ISO 12207

MIL-STD-483 Configuration Management Practices of Systems, Equipment, and Computer Software MIL-STD-1815/ISO 8652 Ada Handbook DOD-STD-2167A DOD-STD-2168 MIL-STD-2036 MIL-STD-461C Defence System Software Development Defense System Software Quality Program General Requirements Equipment Specifications for Electronic

Electromagnetic Emission and Susceptibility Requirements for the Control of Electromagnetic Interference (Part 4 for all IMCS equipment except for UPS's which shall comply with Part 9, Class UM04) Reliability Prediction for Electronic Equipment. Electrical Power Supply Systems. Human Engineering Design Criteria for Military Systems, Equipment and Facilities

MIL-HDBK-217F DEF Standard 61-5 MIL-STD-1472F



3.1 The IMCS is to be distributed digital control system, which shall provide control and monitoring capability to the operator through colour visual and mimic page display. The use of traditional dials and gauges in the IMCS is to be avoided to the maximum extent practicable if used, however, the use of traditional instrumentation shall be limited to machinery spaces. The humanmachine interface shall permit one man operation in times of normal peace time

cruising and full watch operation at higher levels of readiness. 3.2 The IMCS components are to be geographically distributed throughout the ship and in close proximity to the equipment being controlled. Redundant digital controllers are to be geographically separated for reasons of survivability in case of action damage. 3.3 The IMCS should have a two level architecture with a supervisory level comprising multifunction redundant consoles and a data acquisition and control level. The data acquisition and control level shall be one integrated solution comprising Remote Terminal Units and shall not have multiple levels so as to minimize data latency. 3.4 The IMCS shall have a dual redundant fibre-optic Gigabit Ethernet network. All monitoring and control signals are to be communicated over the databus. The hardware and software should be modular in design to cater for maximum maintainability and operational flexibility. Additionally, the modularity must also cater for component obsolescence. Catastrophic failure of the system is not permitted. 3.5 Equipment Health Monitoring: A proven EHM is to be proposed. All EHM data shall be collected and stored on a removable disk. The system shall be programmed to record all alarms and warnings. The EHM software shall gather and display noise and vibration data from engines and equipment like gearbox, shafting, and other auxiliaries, etc. A facility to display trend plots on all sensor information shall be provided. Trend plots shall be time based with variable intervals for both short term and long-term trend information. 3.6 On-Board Training System: The IMCS is to include a proven on-board embedded operator team training capability. The OBTS shall allow any console, group of consoles, and intelligent LOP displays to be placed in training mode. When in training mode, console and LOP displays are to respond as if in normal operational mode, except that they are to interact with a simulation rather than with the ship's machinery. Onboard training shall include simulation of all equipment controlled or monitored by the IMCS, emulation of the rest of the IMCS which are not in training mode, simulation of equipment casualties and damage scenarios. 3.7 CCTV: The IMCS shall include a CCTV sub-system to monitor the helicopter operations, both catwalks, forecastle, quarterdeck and propulsion machinery spaces which require monitoring and are not normally manned. The CCTV shall be displayable as a window on the console screens and the MCR large screen display upon demand. It shall be possible to select specific camera views. Further, it shall be possible to sequentially display images from all the cameras in a continuous manner as a PIP or TLG concept.

4. TECHNICAL REQUIREMENTS 4.1 The system design for NOPVs is to include the following design features:

(a) The system shall be based on microprocessor design and provide

increased operational capability through use of distributed architecture digital control system technology.

(b) The IMCS should be capable of interfacing and processing a minimum

of 1,000 digital and analog inputs/outputs from and to various equipments. Of these 1,000 signals, any signals, which are not used for propulsion machinery, may be allocated to other machinery items such as auxiliaries.

(c) The Remote Terminal Unit (RTU) shall have embedded software that is

software entirely resident on and executed in solid state electronics without using hard-disks or other electromechanical means for storage, retrieval and processing. The system is to be designed to prevent unauthorised modifications of the programs and data. The IMCS vendor shall provide IMCS RTUs based on embedded operating system using Linux/Unix/Ada on VME back plane.

(d) All RTU application software shall be written in high-level language

using a real-time object oriented environment/tool. The tool shall automatically generate not only executable code but also software source code in a high level language. The vendor shall employ a software development tool such that the source code for the control system is automatically generated in a high order language (Ada, C or C++). The supplier shall also provide under license source code for application software in Ada, C or C++ language and license for the software development tool to the Indian Navy.

(e) The system software development tool adopted by the vendor for

IMCS shall meet the requirement of automatically generating documented software code (in accordance with DOD-STD-2167A/ISO 12207). Automatic configuration management shall be in accordance with MIL-STD-480. The development of "System/Segment Design and Software Development Documents" shall be as per DOD-STD-2167A. The IMCS vendor shall comply with system development standard DOD-STD-2167A/ISO 12207. The supplier shall apply a software quality programme during acquisition, development and support of this software based design using DOD-STD-2168.

(f) A single software development environment (ISDE) shall be used for

generation of control logic software, HMI software, real time simulation models and OBTS.

5. ENVIRONMENTAL CONDITIONS 5.1 The system is to be capable of operating in the following environmental conditions:

(a) Storage temperature (b) Operating temperature


0 ­ 70 deg. C

RTUs: 0 ­ 55 deg. C Remaining equipment: 0 to 50 deg. C 95% RH condensing at 35 deg. C As per JSS 55555 or MIL-STD-167 Type I 5 to 33 Hz - 0.125 mm constant displacement

(c) Humidity (d) Vibration

: :

(e) Ship motion:

Roll + or ­ 30 deg, period of roll 10 seconds. Pitch 7 degrees fore and aft of center line. Period 6 seconds. List: permanent 20 degrees either side. All vital IMCS equipment must meet the Grade A Type II high impact shock requirements of MIL-S901D. Vital equipment: consoles, RTUs, LOPs and UPSs. MIL-STD-461C (Part 4 except for UPS which can be in accordance with Part 9) RTUs shall meet IP55 requirements. Consoles, LOPs and UPS shall meet IP23 requirements.

(f) Shock protection:

(g) EMI/EMC: (h) Ingress Protection:

The system shall comply with the specific requirements such as shock (MILS-901D), EMI/EMC (MIL-STD-461C, Part-4), and vibration (MIL-STD-167). These specific requirements shall be met in lieu of JSS55555 requirements. 6. MISCELLANEOUS

6.1 DOCUMENTATION Provision of adequate documentation for effective operation and maintenance of IMCS is an important aspect of the contract. The document should be prepared generally in accordance with DME specifications 452. The following technical documents shall be prepared and supplied as required. Document sizes shall be according to metric standards. All drawings and documents shall contain dimensions and other parameters in metric units. 6.2 Software Documentation The software documentation is to be in accordance with Defence System Software Development DOD-STD-2167A and ISO 12207. The supplier should have prior experience in developing software in

accordance with MIL-STD-2167A for warships. It is imperative that the supplier is to provide complete source listings of all application software delivered with the IMCS to the Indian Navy. 6.3 Training Complete training package for onboard exploitation, and maintenance, and for second level maintenance, along with tools and test kit, is to be offered. Third level (depot level) maintenance shall be offered together with the required special tools and test equipment. Training dockets for ship's staff and dockyard personnel are to be separately formulated. Training shall be carried out in India. 6.4 Product Support The supplier should confirm product support for a minimum period of 20 years for the equipment offered by them from the date of commissioning of the system. Essential infrastructure established ashore must be such that it can sustain the system for 20 years from the time of commissioning of the last ship, should be recommended and included in the technical proposal.



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