D-20 F650 DIGITAL BAY CONTROLLER GEK-106310-AF
D.6 IEC 60870-5-104 INTEROPERABILITY APPENDIX D: IEC 60870-5-104 PROTOCOL
Double transmission of information objects with cause of transmission spontaneous
(station-specific parameter, mark each information type "X" where both a Type ID without time and corresponding
Type ID with time are issued in response to a single spontaneous change of a monitored object)
The following type identifications may be transmitted in succession caused by a single status change of an
information object. The particular information object addresses for which double transmission is enabled are
defined in a project-specific list.
Station interrogation
(station-specific parameter, mark "X" if function is only used in the standard direction, "R" if only used in the
reverse direction, and "B" if used in both directions).
Clock synchronization
(station-specific parameter, mark "X" if function is only used in the standard direction, "R" if only used in the
reverse direction, and "B" if used in both directions).
optional, see 7.6
X
Spontaneous transmission
Day of week used
RES1, GEN (time tag substituted/ not substituted) used
SU-bit (summertime) used
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