GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal technology

GOST 2.758-81 UDC 003.62:62-783.2:006.354 Group T52 Interstate standard Unified system for design documentation Graphical symbols in the Scheme. SIGNAL TECHNOLOGY Unified system for design documentation. Graphic designations in diagrams. Signal technique Effective date 01.01.1982 MEDIA INFORMATION 1. Developed and submitted the USSR State Committee on Standards DEVELOPERS BN Lyamin, Y. Stepanov, LL Timoshuk 2. Approved and put into effect by Decision of the USSR State Committee on Standards of 31.03.81 № 1699 3. First introduced 4. EDITION (October 2000) with Amendments number 1, 2, approved in April 1987, March 1994 (ICS 7-87, 5-94) This standard applies to the scheme, carried out manually or by automated means, products of all branches industry and construction and sets the conditional graphical notation hardware equipment alarms. The standard does not apply to electrical wiring alarm rail, centralization and blocking. 1. General notation signaling devices are shown in Table. 1. Table 1: Name Designation 1. Manual operation 2. Automatic operation, the total mark 3. Automatic operation with warning 4. Protective contact 5. Control 6. Control of circuit protection 7. Vibration 8. (Deleted, Mod. № 1). 9. Emergency call, urgency 10. Periodic time interval, eg., 2 for the state "ON." (An indication as the numerator) and 5 for the state "off." (Indicating the denominator) 11. Manual acknowledgment (acknowledgment) 12. Automatic acknowledgment and registration 13. Of protection. Note. Designation of devices is the contour dashed line 14. Explosion-proof 15. Level control, a generic term note. The level at which the device is triggered, may be given additional inscription 16. Electrical protection 17. Firing at a set of code 18. (Deleted, Mod. № 1). 19. Firing at rupture Note. As a qualifying symbols can be used designations set by other standards ESKD, for example, discharge lamp, resistor, piezoelectric crystal. (Revised edition, Alt. № 1). 2. Legend of manual and automatic devices to turn signal and emergency call devices are shown in Table. 2. Table 2: Name Designation 1. Signal switching device, manually operated, general designation 2. Device to automatically turn signal common notation 3. Device to automatically turn signal in the security design for an explosive environment with automatic activation in the limit at 70 ° C 4. Device to automatically activate a warning signal 5. Device to automatically activate the signal from the triggering of the light energy, such as photocell 6. Automatic alarm by ionization trigger device 7. Alarm device emergencies; general designation 8. Device signaling an urgent call from the telephone 3. Legend of signaling control and protection are given in Table. 3. Table 3: Name Designation 1. A device for controlling an object (asset protection); general designation 2. A device for controlling an object (asset protection) with protective circuit 3. Contact assembly for doors, windows, floors, manholes, etc. 4. Safety pin device 5. Device operation with electronic protection 6. Device activation code, for example, the lock with a set of numbers 7. Device response with a photodetector, which uses the principle of interruption of the light flux 8. The device, triggered by pressure, for example, with piezoelectric crystal 9. The device, triggered by vibration 10. The device, triggered by ultrasound 11. The device, triggered by the directed ultrasound 12. The device, triggered at break, for example, strips of foil 4. Legend of optical devices signaling are listed in Table. 4. Table 4: Name Designation 1. Optical device for light-signaling common notation 2. Optical instrument with a pulsed light signal 3. Optical devices for lights and emergency lighting 4. Optical device for light signaling and hand handshake (clear) 5. Optical device for light signaling through the gas-discharge lamp 6. Optical device for light signaling with adjustable brightness 7. Indicator, position indicator, a general designation 8. Indicator with alarm contact 9. Indicator falling flag 10. Electromechanical indicator 11. Electromechanical position indicator one is dead and two significant provisions of the Note. If necessary, the notation can be displayed without the contour of the square. (Revised edition, Alt. № 2). 5. Legend of the central alarm stations are listed in Table. 5. Table 5: Name Designation 1. Central station alarm, manual with a pulsed-light signals 2. Central station alarm, automatic with several types of warning devices, such as automatic control room emergency call from a pulsed light signal, with horns and a telephone Note. Permitted for signs of central stations to use a rectangle, for example 6. Basic dimensions of conventional graphic symbols signal technology are presented in Table. 6. Table 6: Name Designation 1. Manual operation 2. Emergency call, urgency 3. 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