IEC 61491 Ed. 2.0被替代
Electrical equipment of industrial machines - Serial data link for real-time communication between controls and drives
出版：International Electrotechnical Committee
专家解读视频
Defines a real-time optical serial interface between the control unit and its associate drives which is utilized to transmit periodic and non periodic data.
NEN EN IEC 61491:1998 - Identical
DIN EN 61491 (1999-11) - Similar
I.S. EN 61491:1999 - Identical
BS EN 61491:1999 - Identical
SS EN 61491 Ed. 1 (1998) - Identical
SN EN 61491:1998 - Identical
