Apparatus control
ABB Network Partner AB
1MRK 580 150-XEN
Page 6 - 19
Version 1.0-00
Fig. 8 Example of different ways to connect the select and execute
signals in COMCON
In the other way to select that is normally used as standard from remote
gateway (see item 2 in Fig. 8), both selection inputs R_SEL_O and
R_SEL_C are set at the same time. It sets only the RQ_SEL output. At
reception of the SELECT, it allows the execute command R_OPEN or
R_CLOSE to pass through. But now only one execute command
R_OPEN or R_CLOSE can be given and COMCON passes the EXE-
CUTE command with the OPEN/CLOSE directions.
The operation from a local operator place works in the same way as the
both alternatives from station MMI and remote gateway, and can conse-
quently be connected in a corresponding way.
When the operation has ended or failed, COMCON receives an input indi-
cation SEL_RES from SWICON. On reception of this input, it resets the
stored commands and outputs.
An operation, which has already started with a selection, can be cancelled.
The R/S_CANCEL inputs handle this. The output CANCEL is connected
to the CANCEL input on SWICON to reset the started selection. COM-
CON also has an S/L_IR_OVR override input for station and local and an
OVERRIDE output, which overrides the selection and reservation in other
program parts.
COMCON also supports commands for blocking of operation and com-
mands for manual position updating. These signals can come from station
only and are being sent through to the rest of the program.
Besides from the three operator places, commands can also come from
automatic functions. These inputs are handled in the same way as the nor-
mal operator place signals. For sequence switching, the apparatus can be
reserved with the SEL_SEQ input.
R_SEL_O
R_SEL_C
S_SEL_O
S_SEL_C
R_OPEN
R_CLOSE
S_OPEN
S_CLOSE
RQ_SEL
OPEN
CLOSE
EXECUTE
2.
1.
SELECT
COMCON
SEL_RES
To SWICON
To BAYCON
From SWICON
From BAYCON
From station
From remote
gateway
S_CANCEL
R_CANCEL
CANCEL
MMI
(X80150-8)
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