Telecontrol equipment and systems - Part 2: Operating conditions -
Section 2: Environmental conditions (climatic, mechanical and other
non electrical influences)
远动设备和系统.第2部分:操作条件-
第2节:环境条件(气候、机械和其他)
(非电气影响)
Applies to telecontrol equipment and systems with coded bit serial
data transmission for monitoring and control of geographically wides
pread processes. Specifies classes for environmental conditions
under which the various components of the systems have to operate.