User Manual

SECS Scenarios 5-19
5.6 Equipment Terminal Communications
5.6.1 Host to Equipment, Single Line
Table 5-41 SECS Messages Host to Equipment, Single Line
Step SECS Message Description
1. The Host has data to display at the Equipment’s front panel.
2. H -> E S10F3 [W] Terminal Display. The Host sends text. The Equipment displays
the text on its front panel.
3. H <- E S10F4 If the W-bit in S10F3 is 1, the Equipment acknowledges.
4. The Operator acknowledges that he/she has read the
message.
5. H <- E S6F11 W The Equipment signals CEID S10Ack. Event Reports as
appropriate.
6. H -> E S6F12 The Host acknowledges the report.
5.6.2 Host to Equipment, Multi-Line
Table 5-42 SECS Messages Host to Equipment, Multi-Line
Step SECS Message Description
1. The Host has a multi-line data to display at the Equipment front
panel.
2. H -> E S10F5 [W] Terminal Display Multiple. The Host sends text. The Equipment
displays the text on its front panel.
3. H <- E S10F6 If W-bit in S10F5 is 1, the Equipment acknowledges.
4. The Operator acknowledges that he/she has read the
message.
5. H <- E S10F11 W The Equipment signals CEID HostMsgAck. Event Reports as
appropriate.
6. H -> E S6F12 The Host acknowledges the report.