Configuration
5-14 7SA6 Manual
C53000-G1176-C133-1
For double commands, the first output relay is selected using DIGSI
®
4. The other
output relays will be automatically selected by DIGSI
®
4. In the sequence of output
relays, each TRIP command is placed before the associated CLOSE command.
For commands with feedback indications, DIGSI
®
4 reserves another line in the
configuration matrix for the switching device feedback indications. Here, the OPEN
position feedback is placed before the CLOSED position feedback as well.
For Figures 5-5 through 5-10, the following abbreviations apply:
− C+ Relay contact for closing
− C– Relay contact for tripping
− CC Relay contact is common
− CCC Relay contact is common to a bus
− L+; L– Control voltage
Figure 5-5 Single command with single contact
Double Command with Double
Output
With 4 relays without feedback
with feedback
&B'
&)B'
Double Command with Double
(Close) and Single (Trip) Output
With 3 relays without feedback
with feedback
&B'
&)B'
Double Command Motor Control
(Anti-Clockwise Rotation /
Clockwise Rotation)
With 2 relays,
2 contacts each
without feedback
with feedback
&B'
&)B'
Double Command with
Single Output for
Three-Position Disconnector
Double Command with
Single Output, Negated
With 2 common
relays,
2 contacts each
for disconnector
function
(with feedback)
for earth switch
function
&)B'
&)B'1
Table 5-1 Most important command types
C+
X
C+
t
CLOSE
Switching
Device
C+
L+
L–
Matrix Configuration:
1
CLOSE
Command
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