The ECOS system also carries out an opposite check: every two encoder zero marks a reset phase must present itself: if this does not occur the alarm for the fault of the RESET input is activated.

• （ECOS系统也执行反向检查： 每台编码器零标记重新设置将提示自己： 如果这不发生，激活复位输入将缺失警报。）