ABB RED650, Technical Manual, Page: 688 / 926

Function block First LON address in
function block
EVENT:17 1280
EVENT:18 1296
EVENT:19 1312
EVENT:20 1328
Event masks
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Event mask for each input can be set individually from Parameter Setting Tool
(PST) under:
Settings/IED settings/ Monitoring / Event Function or via
parameter setting tool (PST) as follows:
• No events
• OnSet, at pick-up of the signal
• OnReset, at drop-out of the signal
• OnChange, at both pick-up and drop-out of the signal
• AutoDetect, the EVENT function makes the reporting decision (reporting
criteria for integers has no semantic, prefer to be set by the user)
Single indication
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Directly connected binary IO signal via binary input function block (SMBI) is
always reported on change, no changed detection is done in the EVENT function
block. Other Boolean signals, for example a start or a trip signal from a protection
function is event masked in the EVENT function block.
Double indications
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Double indications can only be reported for the first 8 inputs on an EVENT
function block.
• 00 generates an intermediate event with the read status 0
• 01 generates an open event with the read status 1
• 10 generates a close event with the read status 2
• 11 generates an undefined event with the read status 3
Analog value
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All analog values are reported cyclic. The reporting interval is taken from the
connected function if there is a limit supervised signal. Otherwise it is taken from
the EVENT function block.
Command handling
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Commands are transferred using transparent SPA-bus messages. The transparent
SPA-bus message is an explicit LON message which contains an ASCII character
message following the coding rules of the SPA-bus protocol. The message is sent
using explicit messages with message code 41H and using acknowledged transport
service.
Both the SPA-bus command messages (R or W) and the reply messages (D, A or
N) are sent using the same message code. It is mandatory that one device sends out
Section 18
1MRK 505 394-UEN A
Station communication
682 Line differential protection RED650 2.2 IEC
Technical manual