Owner's manual

5-16 SECS Scenarios
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.
5.6.3 Equipment Sends Text to Host
Table 5-43 SECS Messages Equipment Sends Text to Host
Step SECS Message Description
1 The Operator enters data to send to the Host.
2 H <- E S10F1 [W]
Equipment sends text to Host. The W-bit in this message may
be either 0 or 1. The Host displays the message for the
Operator.
3 H -> E S10F2
If the W-bit in S10F1 is 1, the Host acknowledges the text
message.