Sices D-PRO, Technical Manual

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14 D-PRO Protection relay Technical Manual
Status Description
ST_008 Warnings cumulative
ST_011 Locks cumulative
ST_012 Unacknowledged warnings cumulative
ST_015 Unacknowledged locks cumulative
Using the virtual digital inputs, it is possible to create mixed AND/OR logics (that is composed
by AND and OR together). Let’s suppose we would like to activate the digital output #1 when
the digital inputs #1 and #2 are both active, or if the digital input #3 is active.
First of all we need to associate to the virtual digital input #1 (for example) an AND/OR logic
configured as AND, which verifies that the first two digital inputs are both active. Then we need
to associate to the digital output #1 an AND/OR logic configured as OR, which verifies that the
virtual digital input #1 or the digital input #3 is active. Basically, we use the virtual digital input
#1 as “support” for the AND condition. In this case, it is not necessary to associate any function
to the virtual digital input.
4.5
The controller manages 8 virtual analogue inputs. They are managed by the controller exactly
as they were physical inputs (without limitations). The virtual inputs status is not acquired by
the hardware, but it is determined by software. By means of the parameter “function” of each
virtual analogue input, indeed, it is possible to “copy” one of the internal measurement
available on the controller in the analogue input:
•
AVF.4001 - Frequency
•
AVF.4002 - L1-N Generator voltage
•
AVF.4003 - L2-N Generator voltage
•
AVF.4004 - L3-N Generator voltage
•
AVF.4005 - L-N Average Generator voltage
•
AVF.4006 - L1-L2 Generator voltage
•
AVF.4007 - L2-L3 Generator voltage
•
AVF.4008 - L3-L1 Generator voltage
•
AVF.4009 - L-L Average Generator voltage
•
AVF.4010 - Homopolar voltage (59N)
•
AVF.4017 - L1 Phase voltage - Upper part (A)
•
AVF.4018 - L2 Phase voltage - Upper part (A)
•
AVF.4019 - L3 Phase voltage - Upper part (A)
•
AVF.4023 - L1 Phase voltage - Lower part (B)
•
AVF.4024 - L2 Phase voltage - Lower part (B)
•
AVF.4025 - L3 Phase voltage - Lower part (B)
•
AVF.4029 - Auxiliary current
•
AVF.4030 - Toroid current
•
AVF.4033 - L1 Differential current
•
AVF.4034 - L2 Differential current