This standard specifies the general technical conditions for digital input or (and) digital output channel templates in industrial control microcomputer systems. The main content includes terminology, technical requirements, test methods and inspection rules. This standard applies to electronic or contact type DI/DO channel templates in industrial control microcomputer systems under general working conditions.
JB/T 6809-1993 history
1993JB/T 6809-1993 General technical specifications for digital input and output channel modules