Siemens siprotec 7SJ63 - Page 120

Configuration
5-8 7SJ63 Manual
C53000-G1140-C120-1
For double commands, the first output relay is selected using DIGSI
®
4. The other out-
put relays will automatically be selected by DIGSI
®
4. In the sequence of output relays,
each TRIP command is placed before the associated CLOSE command. For
commands with processing of feedback indications, DIGSI
®
4 reserves a line in the
configuration matrix for the switching device feedback indications. The 52b contact
must be placed before the 52a contact.
For Figures 5-4 through 5-12, the following abbreviations apply:
− C+ Relay Contact for Closing
− C– Relay Contact Tripping
− CC Relay Contact is Common
− CCC Relay Contact is Common to a Bus
− V+, V– Control Voltage
Figure 5-4 Single Command with Single Output
Double Command with Double
Outputs
With 4 contacts without feedback
with feedback
&B'
&)B'
Double Command with Double
(Close) and Single (Trip) Outputs
With 3 contacts without feedback
with feedback
&B'
&)B'
Double Command Motor Control
(left/right direction)
With 2 relays, 2
contacts each
without feedback
with feedback
&B'
&)B'
Double Command with Single
Outputs for Isolation & Ground
Switch – Negated for Ground
Switch
With 2 common
relays, 2 contacts
each
for isolation
function (with
feedback)
for grounding
function
&)B'
&)B'1
Table 5-1 Most Important Command Types
CLOSING
C+
t
Switching
Device
C+
V+
V–
Relay Configuration:
COMMAND
C+
X
BO 1
CLOSE
COIL
www . ElectricalPartManuals . com