CB 1232-1994 General Specification for Ship Message Automatic Processing System
Some standard content:
China State Shipbuilding Corporation Department Standard
CB1232-94
General Specification for Ship Message Automatic Processing System 1994-08-22 Issued
China State Shipbuilding Corporation Issued
1995-05-01 Implementation
1 Scope
China State Shipbuilding Corporation Department Standard
General Specification for Ship Message Automatic Processing System CB1232--94
Classification Number: U66www.bzxz.net
1.1 Subject Content
This specification specifies the general technical requirements, quality assurance requirements and delivery preparation for the ship message automatic processing system. 1.2 Scope of Application
This specification applies to the development, production and use of the surface ship message automatic processing system. 2 Reference documents
GB191-85 Packaging, storage and transportation pictorial symbols
GB1988-80 Information processing Seven-bit coded character set for information exchange GB3181-82 Standard sample of paint film color
GB4588.2-84 Technical conditions for single-sided and double-sided printed boards with metallized holes Interface between data terminal equipment and data circuit terminal equipment using serial binary data exchange GB6107-85
GJB100-86 Basic dimension series for panels, racks and cabinets GJB151.5-87 Requirements for electromagnetic emission and sensitivity of military equipment and subsystems Requirements for equipment and subsystems in surface ships (Class A4) GJB152-86 Measurement of electromagnetic emission and sensitivity of military equipment and subsystems GJB1 79—86 Counting sampling inspection procedures and tables GJB367.1-87 General technical conditions for military communication equipment Design and manufacturing requirements
GJB367.2--87 General technical conditions for military communication equipment Environmental test methods GJB367.3-87 General technical conditions for military communication equipment Reliability identification test and acceptance test methods GJB450-88 General outline for the reliability of equipment development and production Uniform regulations for ship sound and light signals
GJB623—88
GJB663—89
3 Requirements
Military communication equipment and system safety requirements
3.1 Qualification identification
The message automatic processing system submitted in accordance with this specification shall be a product that has been qualified or approved for finalization. 3.2 Reliability
3.2.1 The reliability indicators of the message processing system shall meet the relevant provisions in the order contract. The reliability index is expressed by the mean time between failures (MTBF).
3.2.2 The message automatic processing system shall compile a reliability assurance outline and implement it according to the requirements of GJB450, and submit corresponding reports and relevant information.
3.3 Materials
3.3.1 Relevant standard materials that meet the requirements of ship conditions shall be selected, and newly developed materials that have not been identified and qualified shall not be used in formal products. China State Shipbuilding Corporation approved on August 22, 1994 and implemented on May 1, 1995
CB 1232-94
3.3.2 Materials shall be based on domestic sources, and their specifications and varieties shall be optimized. 3.4 Design
The design of the message automatic processing system shall comply with the relevant provisions of GJB367.1. 3.4.1 System composition
The message automatic processing system generally includes a message processor and external equipment. The message processor includes a main processor and a communication controller: external devices include a printing device, an external storage device, a display, a keyboard, a dedicated voltage-stabilized power supply and a connecting cable. 3.4.2 Basic system functions
All or part of the following functions can be provided as required. 3.4.2.1 Message receiving function
Automatically receive telegrams from multiple wireless and wired channels in real time that comply with the message format. 3.4.2.2 Message sending function
Prepare the telegrams to be sent in the prescribed message format and distribute them accurately to the corresponding channels. When the sending channel is busy, it can automatically queue up according to the priority level and wait for sending. It can realize the simultaneous sending of different and identical telegrams on multiple channels. 3.4.2.3 Message processing function
For telegrams entering the message processor and conforming to the message format, it can automatically identify the message priority level, automatically complete the separation of the message and the headera.
, the modification of the header, and the route determination: b. When the message credibility is low and automatic processing is difficult, it can be transferred to the operator for manual processing. 3.4.2.4 System management function
The main processor manages the system tasks, memory, internal channels of the system, and the equipment that constitutes the message processor system. 3.4.2.5 Log editing function
Automatically edit the log of the receiving and sending station, or edit the log that meets the user's requirements according to the contract requirements. 3.4.2.6 Statistics function
Automatically conduct station business statistics, or complete relevant business statistics according to the contract requirements. 3.4.2.7 Storage function
The system memory capacity must match the system scale. Systems equipped with external storage devices should automatically or manually catalog the processed messages and transfer them to external storage for archiving for future reference. 3.4.2.8 Query function
Automatically query archived messages through external line commands or query archived messages by operator typing commands, and display them on the screen or transmit them to the corresponding channels according to requirements.
3.4.2.9 Print function
a. Print messages that must land or overflow at this station: b. Print logs;
c. Print station statistics at regular intervals or by command; d. Print system status parameters by command.
3.4.2.10 Message editing and modification function
Through the keyboard and display, basic modification functions such as generating specified message formats, making reports, deleting characters, deleting lines, deleting full text, and inserting can be realized.
3.4.2.11 Screen management function
The display screen should be divided into basic areas such as message display area, operation command prompt area, system status area, real-time time area, etc. Each area works independently, and the message display area is generally not less than 18 lines, with 80 characters per line. 3.4.2.12 Human-computer dialogue function
The system should have a flexible and clear human-computer interface, simple dialogue operation, and eye-catching operation prompts. 3.4.2.13 System status setting and change function 2
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When the machine is turned on, the speed, communication mode, transmission code system, and channel silence are automatically set according to the requirements of the contract (or technical agreement). During the working process, it can be modified item by item through the keyboard as needed. 3.4.2.14 Fault detection function
The message processor has the fault detection function and fault indication of the printed circuit board. 3.4.2.15 Priority identification and processing function Generally, it has the ability to identify and process four priority telegrams. 3.4.3 Message format requirements
The message format is shown in Appendix A (reference).
3.5 Structure
3.5.1 The structure should meet the relevant requirements of GJB367.1. 3.5.2 The structural form should meet the requirements for ship installation and use, and the keyboard and display installation should also meet the requirements of ergonomics. 3.6 Maintainability
3.6.1 The design should be based on the prediction and analysis of maintainability. 3.6.2 The message processor should have a self-checking function. The fault is located on the printed circuit board. 3.6.3 The message processor should have good maintenance accessibility, and the printed circuit board is easy to replace. When the maintenance is completed, the display should give a workable indication.
3.6.4 The maintainability index is expressed by the mean time to repair (MTTR), which is generally 30 minutes. 3.7 Performance characteristics
3.7.1 Channel characteristics
3.7.1.1 Communication mode
The external channel communication mode generally adopts full-duplex asynchronous mode, which can also be specified in the order contract. 3.7.1.2 Number of channels
According to the needs, the number of channels can be selected from the following series: 4, 8, 12.16,, 64
3.7.1.3 Information transmission rate
According to the needs, the information transmission rate can be selected from the following series: a.
Wireless telegraph channel
50.75.100150.300, 600, 1200, 2400 bit/s. h. Wired telegraph channel
50.75,100.150.300bit/s.
3.7.1.4 Transmission code system
The following three code systems can be selected respectively:
a. ITA2 code (i.e. five-unit international telegraph code No. 2: 1 start bit, 5 information bits, 1.5 stop bits); b. mITA2 code (i.e. five-unit digital protection code: 1 start bit, 5 information bits, 1.5 stop bits); c. ITA5 code (GB1988 seven-bit code).
3.7.2 System capability requirements
3.7.2.1 Message processing capacity
It is determined by the daily average message volume and the hourly peak message volume. The specific indicators are stipulated in the order contract. 3.7.2.2 Message storage capacity
It is determined by the size of the internal memory and external memory. The internal memory should be divided into local memory, rescue memory, and input/output memory. The capacity of the memory is stipulated in the order contract.
3.7.2.3 Telegram level and corresponding average message length Telegrams are generally divided into four levels. The following average lengths are available for messages of each level: 3
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First-level message: average message length is 60 groups, each group includes 5 characters (including spaces); second-level message: average message length is 80 groups, each group includes 5 characters (including spaces); third-level message: average message length is 100 groups, each group includes 5 characters (including spaces); fourth-level message: average message length is 150 groups, each group includes 5 characters (including spaces). 3.7.2.4 Internal transmission time of telegrams
When the peak message volume is 40 and the first-level messages account for 25%, the internal transmission time of telegrams is generally as follows: First-level message: the longest transmission time is 3 minutes;
Second-level message: the longest transmission time is 10 minutes
Third-level message: the longest transmission time is 30 minutes;
Fourth-level message: the longest transmission time is 60 minutes.
3.7.2.5 Message display capability
a. Display various messages through manual intervention; b. Display command prompts in Chinese;
c. Real-time clock display to seconds;
d. Display system status.
3.7.2.6 Power-off protection capability
The message processor has power-off protection capability. In case of power failure, the internal battery can keep the memory message for no less than 5 hours. 3.7.2.7 Fault display and alarm
The message processor generally has the ability to display and alarm faults, and can locate the faults on the printed circuit board. 3.7.3 Interface requirements
The types of interfaces between the automatic message processing system and the external channel are as follows: a. GB6107 standard voltage interface, the interface level is ±5~±15V, the transmission number is -5~-15V: the empty number is +5+15V; b. Current loop interface, the connection parameters are 40mA, 60~120V optional. 3.8 Safety
3.8.1 Safety requirements should comply with the relevant provisions of GJB663. 3.8.2 This equipment is a weak current equipment and should not generate excessive radiation that is harmful to the human body. 3.8.3 In order to prevent personal safety accidents and static electricity, the casing should have a protective grounding device. 3.9 Environmental requirements
3.9.1 Temperature
It should be able to work normally at -10～+50℃, and should not be damaged when stored at -50～+65℃. 3.9.2 Shock and vibration
After enduring three shocks in three mutually perpendicular axes and 3000 vibrations with a peak acceleration of 70m/s, a pulse width of 100ms, and a pulse repetition frequency of 80n/min, there should be no mechanical damage and loosening of the connecting parts, and it can work normally. 3.9.3 Vibration
After the vibration test with a rate of 1～10Hz, a displacement of 1.0mm, a frequency of 16~60Hz, and an acceleration of 10m/s2, the system can work normally and there is no mechanical damage to the components.
3.9.4 Humidity and heat
In an environment with a temperature of <30~60) ±5℃ and a relative humidity of 95%, after 5 days of testing, it can work normally when powered on, and there is no obvious rust on the parts and the paint film does not fall off.
3.9.5 Fungus
After the sample is tested for 28 days, its long-term degree should not exceed two levels. 3.9.6 Salt spray
After the continuous spray salt spray test for 48 hours, its main surface should have no obvious rust. 4
3.10 Requirements for parts
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3.10.1 Standard parts should be used to the maximum extent to improve the standardization of the message processor as much as possible. 3.10.2 The selected components must be finalized products or qualified products. 3.10.3 The design and selection of printed circuit boards should comply with the provisions of GB4588.2. Printed boards are generally connected by connectors. 3.10.4 Components should be arranged neatly, weighed, and parameter marked on the printed board for easy observation. 3.11 Power supply
AC: single phase (220±22)V, (50±2.5)Hz. DC: 24V.
When the AC power supply is interrupted, the message processor can automatically switch to 24V DC power supply. 3.12 Electromagnetic compatibility
Electromagnetic compatibility should meet the requirements of digital equipment in GJB151.5. 3.13 Dimensions
The overall dimensions should comply with the provisions of GJB100 and meet the requirements for shipping. 3.14 Weight
The weight should meet the contract requirements.
3.15 Color
3.15.1 The color should comply with the provisions of GB3181. The shell should be BG01 (medium green gray), and the panel should be B05 (sea gray) or the color specified in the contract.
3.15.2 The color of the wire and the color of the indicator light shall comply with the relevant requirements of GJB367.1 and GJB623 respectively. 3.16 Surface condition
3.16.1 The shell is usually painted with semi-gloss paint or sprayed. 3.16.2 All surfaces of metal parts that are susceptible to environmental erosion should be rust-free and cleaned, and painted in accordance with relevant regulations. 3.16.3 The coating should be uniform and fine, without leakage, pinholes and peeling. 3.16.4 The painted surface damaged during assembly should be repaired, and the coating should be as consistent as possible with the original surface color. 3.17 Product logo and code
3.17.1 There should be a permanent nameplate, including system (equipment) name, model, production unit, factory date, rated power, power, manufacturing serial number and other markings.
3.17.2 All the connection devices and test points on the message processing system shall be marked with codes or numbers, and shall be consistent with the markings in the design documents.
3.17.3 All control devices and detection devices shall be clearly marked with the purpose and function. 3.17.4 The positive and negative polarity shall be marked at the DC power input. 3.17.5 There shall be an obvious grounding mark on the shell. 3.18 Appearance quality
The appearance coating shall be uniform and dense, with consistent color and no damage. The parts shall be firmly and correctly installed and the wires shall be neatly tied. 4 Quality assurance regulations
4.1 Inspection responsibility
Unless otherwise specified in the contract, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item specified in this specification. 4.1.1 Qualification responsibility
Must meet the requirements of Chapter 3 and Chapter 5 of this specification. The inspection specified in this specification shall become an integral part of the contractor's entire inspection system or quality assurance program. If the order contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the submitted products meet the requirements of the order contract. Quality consistency inspection does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products. 5
4.? Inspection classification
The inspection specified in this specification is divided into:
a. Identification inspection;
b. Quality consistency inspection.
4.3 Inspection conditions
The typical values of the environmental conditions for normal temperature inspection are: Humidity: 15~35℃
Relative humidity: 20%~80%:
Pressure: Air pressure of the inspection site.
4.4 Identification inspection (finalization inspection)
4.4.1 Inspection items and number of inspections
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The product identification inspection items are shown in Table 1. Generally, one set of products is selected for testing. 4.4.2 Inspection judgment
Only when all inspection items are qualified can the appraisal inspection be passed. 4.4.3 Maintenance of appraisal qualification
The contractor shall submit relevant inspection materials every three years to prove the validity of its qualification. 4.5 Quality-Consistency Inspection
4.5.1 Inspection items
The quality consistency inspection items are shown in Table 1.
4.5.2 Grouping of quality consistency inspection
The quality consistency inspection is generally divided into Group A, Group B and Group C. Group A inspection:
Class A inspection is a full inspection and shall be carried out according to the inspection items and sequence specified in Table 1. Table 1 Inspection Items
Appearance Inspection
Electrical Assembly
Basic Function Inspection
Performance Inspection
Safety Environment Inspection
Packaging Inspection
High and Low Temperature Test
Impact and Shock Test
Vibration Test
Wet Heat Test
Identification Inspection
Quality Inspection
Technical Requirements
5.1,5.2,5.3
Inspection Method
4. 6. 6.2
Mold (hanging sample)
Salt spray (hanging sample)
Reliability test
Electrochemical compatibility test
Identification test
Note: ①“\” indicates the items that must be done: ②“A” indicates the inspection items stipulated by the contract, Group B inspection:
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Continued Table 1
Quality and Release Consistency Inspection
Technical Requirements
Inspection Method
Group B inspection is based on 3% sampling inspection. If there are less than 30 units, one unit shall be inspected. The inspection shall be carried out in accordance with the inspection items and sequence specified in Table 1. Group C inspection:
Group C inspection is based on 1% sampling inspection. If there are less than 100 units, one unit shall be inspected. Generally, the inspection shall be carried out once every three years. The inspection shall be carried out in accordance with the inspection items and sequence specified in Table 1. 4.5.3 Inspection Classification
4.5.3.1 Full Inspection
Inspect all products provided by the contractor according to the specified items. a.
b. The quality of the products delivered is expressed by the defective rate of the batch. The acceptable defective rate of the batch is determined by the ordering party and the contractor based on the product usage requirements and with reference to historical data. If there is no stipulation, it is recommended to use the middle value in Table 2, that is, the serious defective rate is 6.5%. The minor defective rate is 15.0%. Table 2
Defective rate, %
Serious defective products
Minor defective products
The specific distinction between various defects of the product and defective products is specified in the production technical conditions. d.
Based on the inspection results and the cumulative number of defective products, calculate the minor and serious defective rates of the product according to the following formulas. Percent defective rate:
4 .5.3.2 Sampling inspection
Number of defective products
Total number of products of the inspected unit
Sampling inspection shall be carried out in accordance with the relevant provisions of GJB179. a.
Based on the product use requirements and combined with the average defective rate of the process, the ordering party and the contractor shall negotiate to determine the qualified quality level AQI. value of the continuous batch and the corresponding limit quality LQ value of the isolated batch. If there are no other provisions, it is recommended to use the values in Table 3 and Table 4. The AQL for severe defectives is 1.00 and for mild defectives is 4.0. The AQL for severe defectives is 7.6 and for mild defectives is 18.0. Table 3
Qualified quality level AQI. value
Heavy Defective products
Minor defective products
Major defective products
Minor defective products
Use a normal sampling.
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Limit quality LQ value (P.=10%)
Samples drawn according to the sampling plan shall be inspected according to the specified items. d.
4.5.3.3 Rejection judgment
4.5.3.3.1 For products that are fully inspected. If any of the following situations occurs, the batch of products shall be rejected: a.
Fatal defects occur;
Major defective product rate is greater than the specified value;
Minor defective product rate is greater than the specified value.
4.5.3.3.2 For the products sampled for inspection, if any of the following conditions occur, the batch of products shall be rejected: a.
Fatal defects occur;
The number of seriously unqualified products is greater than or equal to the number of seriously unqualified products; b.
The number of slightly unqualified products is greater than or equal to the number of slightly unqualified products. 4.6 Inspection method
4.6.1 Visual inspection shall be adopted for appearance inspection. If necessary, relevant tools may be used. 4.6.2 Safety inspection shall be carried out in accordance with contract requirements. 4.6.3 Basic function inspection
Power on and inspect the functions of the product according to the product operating instructions. 4.6.4 Performance characteristic inspection
4.6.4.1 Inspection equipment and instruments required for inspection a.
Dual-trace oscilloscope;
Signal generator;
Analog terminal equipment;
Telex.
4.6.4.2 Channel inspection
Use analog terminal equipment and telex as transceiver terminals and connect them to the automatic message processing system according to the interface requirements. See Figure 1 for the performance characteristics inspection block diagram:
Set the communication mode of the channel in full-duplex serial asynchronous mode or the mode specified in the contract: b.
Set the rate of each channel one by one according to the specified rate range. According to the specified code system, the automatic message processing system and analog terminal equipment (or telex) receive and send telegrams at each rate. The messages received by the analog terminal equipment (or telex) and the automatic message processing system should be consistent with the messages sent; all channels are inspected one by one according to the above inspection method, and the inspection results should meet the requirements of Article 3.7.1. e.
4.6.4.3 System capability inspection
Invest in terminal equipment!
Stock proposed to end the new day
The connection method of the inspection equipment is the same as Figure 1.
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Pass source!
Strong pass n
Channel month-1
Pass·All
Figure 1 Performance characteristic test block diagram
Message processing capability test: Process messages according to the specified message processing capability, and the messages should not overflow or be lost: a.
Message storage capability test: Store messages according to the specified message storage capability, and the messages should not be missed or missed: b.
Message display capability test: Perform various displays according to the specified message display capability, and the display should be correct; c
d. Power-off protection capability test: After the message is stored in the memory of the message automatic processing system, the system should be powered off, and the original message information in the memory should not be changed within 5 hours:
e, Fault alarm test: artificially set a segment fault for each channel, and the faulty channel cannot correctly receive and send electricity. It should be able to detect the faulty printed circuit board and issue an alarm. 4.6.4.4 Interface parameter test
Connect the signal generator to the message automatic processing system, and the test block diagram is shown in Figure 2. Use a dual-track oscilloscope to observe the level of the gate circuit in and out of the message processor. It should meet the requirements of Article 3.7.3.
Price generator
4.6.5 Electromagnetic compatibility test
Battle trace small chain
Figure 2 Interface parameter test block diagram
Message processor line
Electromagnetic compatibility test is carried out according to the corresponding method specified in GJB152, and the test results should meet the requirements of Article 3.12. 4.6.6 Environmental test method
4.6.6.1 Temperature
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Low temperature is carried out according to item 401 of GJB367.2, and high temperature is carried out according to item 402 of GJB367.2. The test results should meet the requirements of Article 3.9.1.
4.6.6.2 Impact and shock
Perform according to item 408 of GJB367.2. The test results shall meet the requirements of Article 3.9.2. 4.6.6.3 Vibration
Perform according to item 409 of GJB367.2. The test results shall meet the requirements of Article 3.9.3. 4.6.6.4 Heat
Perform according to item 411 of GJB367.2. The test results shall meet the requirements of Article 3.9.4. 4.6.6.5 Bacteria
Perform according to item 412 of GJB367.2. The test cycle is 28 days. The test results shall meet the requirements of Article 3.9.5. 4.6.6.6 Salt spray
Perform according to item 413 of GJB367.2 with continuous spraying for 48 hours. The test results shall meet the requirements of Article 3.9.6. 4.6.7 Reliability test
The reliability test method shall be carried out in accordance with the method specified in the order contract. If there is no provision, it shall be carried out in one of the following two methods: a. In case of mass production, the reliability test shall be carried out in accordance with the requirements of GJB367.3: b. In case of single piece and small batch, the feasibility assessment test method shall be adopted, and the test outline shall be jointly formulated and implemented by the supply and demand parties. 4.6.8 Packaging inspection
Inspect all items one by one at the packaging site according to the packaging requirements of Chapter 5, and count and pack them one by one according to the product packing list. After passing the inspection. The packing list shall be issued by the inspector, sealed on the spot and marked with the qualified packaging inspection. 5 Delivery preparation
5.1 Packaging
5.1.1 The packaging box shall have sufficient strength, be resistant to dust and moisture, and be easy to transport. 5.1.2 There shall be moisture-proof packaging measures for equipment, components, accessories, and random materials. 5.2 Packing
5.2.1 When packing, the equipment should be filled with shockproof materials around and above and below. 5.2.2 A packing list should be placed in each box. The packing list should list the names and quantities of the items in detail and be signed in accordance with regulations. 5.3 Transportation and storage
5.3.1 Operations should be carried out strictly in accordance with the transportation marks on the packaging box. 5.3.2 It should be suitable for transportation by car, ship, and airplane. 5.3.3 The transportation and storage environment should be dry, ventilated and free of corrosive chemicals. 5.3.4 If stored for a long time, the power should be turned on regularly and preventive maintenance should be carried out. 5.4 Marking
5.4.1 There should be a product mark on the same end face of each packaging box. The marking content is as follows: product model;
b. Production unit:
Number of boxes:
d. Box number:
e. Overall dimensions:
f. Gross weight basis.
5.4.2 Storage and transportation graphic mark
The packaging storage and transportation graphic mark should comply with the provisions of GB191. 10
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