Siemens 6MD85 Manual page 947

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NOTE
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Each status change of the monitored binary inputs is delayed by 3 ms.
You can also combine binary inputs across modules in one Supervision group function block, and define any
binary input within this group for the supervision of the signaling voltage. For this purpose, place a check
mark at the parameter (_:102) Enable variable group when configuring the supervision group. This
extends the parameter menu by the sections Start supervision group and End supervision group (see the
following figure).
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There, for example, you are able to combine 1 to n different binary inputs into one supervision group. When
doing so, the binary inputs on the input/output modules assignable to a supervision group must be related
logically. With 3 input/output modules, for example, this allows only consecutive binary inputs to be grouped
on the modules 1+2 or 2+3, but no binary inputs on modules 1+3. The binary inputs used for supervision can
be located on any input/output module within the group defined in this manner.
If you have to monitor several binary inputs that, for example, work with different signaling voltages from
different sources, then you can also instantiate and configure several Supervision group function blocks
within the Signaling-voltage supervision function group accordingly.
Within different supervision groups, only those consecutive binary inputs that are not already assigned to
another supervision group can be grouped. The overlapping of binary inputs in different supervision groups is
not permitted.
Example: There are 4 input/output modules. Binary inputs of input/output module 1+2 are already combined
in supervision group 1. The 2 last binary inputs on module 2 are not included in the grouping. Thus, only these
2 binary inputs not used in the supervision group 1 of the input/output module 2 as well as, where applicable,
further consecutive binary inputs of input/output modules 3+4 can be combined in supervision group 2.
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Supervision Functions
8.3 Supervision of the Secondary System
947