1–relay location. Figure 12 designates the relay location on the block. 2–block or element designation. Designation of the block or an element are given in the specification. 3–safety lock designation. For example: A safety lock 19 with a current of protection 10 And. 4–designation of contacts. For example: Contact 3/49a. 3–contact of 3 relays 12 on the relay block. 5–designation of contacts on the relay block. А13 designates contact of the 13th socket A. 6–section of a wire in mm2. 7–color of a wire. Colors of a wire are given on electric circuits. |
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8–contact designation. 9–block or element. 10-Block or element designation and its number. 11-electroconducting continuation. Number in a rectangle indicates an electric chain to which this wire is connected. 12-internal connections. 13-continuation of electroconducting of internal connection. 14-designation of a point of grounding. 15-block of the relay and safety locks. 16-external connections. 17-numbers of coordinates. Are intended for simplification of search of knots on schemes. |