Siemens SIPROTEC 7SJ62 Manual page 393

Two phase–phase voltages or the displacement voltage V
address must be set to 213 VT Connect. 3ph = Vab, Vbc, VGnd. For the latter setting, only two phase–
phase voltages or only the displacement voltage V
If there is only one voltage transformer on the system side, wiring is performed according to examples on
single-phase connection. For this case, address 240 VT Connect. 1ph in the P.System Data 1 specifies
to the device which primary voltage is connected to which analog input.
With 7SJ623, 7SJ624 7SJ64 in case of single-phase voltage transformer connection the voltage connected to
voltage input V
4
Binary Inputs and Outputs for 7SJ62/64
The configuration options of the binary in- and outputs, i.e. the procedure for the individual adaptation to the
plant conditions, are described in the SIPROTEC 4 System Description. The connections to the plant are de-
pendent on this configuration. The presettings of the device are listed in Appendix A.5. Please also check that
the labelling strips on the front panel correspond to the configured message functions.
Setting Group Change
If binary inputs are used to switch setting groups, please observe the following:
• Two binary inputs must be dedicated to the purpose of changing setting groups when four groups are to be
switched. One binary input must be set for „>Set Group Bit0", the other input for „>Set Group Bit1".
If either of these input functions is not assigned, then it is considered as not controlled.
• For the control of 2 setting groups one binary input is sufficient, namely „>Set Group Bit0", since the
non-assigned binary input „>Set Group Bit1" is then regarded as not not connected.
• The control signals must be permanently active so that the selected setting group is and remains active.
The following table shows the allocation of the binary inputs to the setting groups A to D and a simplified con-
nection diagram for the two binary inputs is illustrated in the following figure. The figure illustrates an example
in which both Set Group Bits 0 and 1 are configured to be controlled (actuated) when the associated binary
input is energized (high).
Where:
no =
yes =
Table 3-1
Binary Input
>Set Group Bit 0
No
Yes
No
Yes
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
is always interpreted as the voltage which is to be synchronized.
not energized or not connected
energized
Changing setting groups using binary inputs
>Set Group Bit 1
No
No
Yes
Yes
can also be connected to the device. Here the
delta
can be connected.
delta
Active Group
Group A
Group B
Group C
Group D
Mounting and Commissioning
3.1 Mounting and Connections
393