7SG12 DAD N Relay Settings
©2010 Siemens Protection Devices Limited Chapter 3 Page 11 of 20
Description Range Default Setting
used
COM2 Line Idle
Selects the communications line idle
sense
Light Off, Light On Light Off
COM2 Data Echo
Enables echoing of data from RX port to
TX port when operating relays in a Fibre
Optic ring configuration
Off, On Off
COM2 Direction
Selects how Com2 is shared between
the front fascia port and the rear fibre
optic port. This allows interlocking to
prevent remote access whilst an
engineer is attached locally on site if
IEC870 is on Com2 and Auto-detect is
enabled
AUTO-DETECT, FRONT
PORT, REAR PORT
AUTO-DETECT
2 Instruments
INSTRUMENT DESCRIPTION
[ DIFF METERS ]
--> press down <--
Start of Differential current meters
Primary Currents
0.000 0.000 0.000 kA
Differential Primary currents
Secondary Currents
0.000 0.000 0.000 A
Differential Secondary currents
Nominal Currents
0.00 0.00 0.00 xIn
Differential Nominal currents
[ MISC METERS ]
--> press down <--
Start of miscellaneous meters
Status Inputs 1-16
---- ---- ---- ----
Displays the state of DC status inputs 1 to 16
1
Status Inputs 17-27
---
Displays the state of DC status inputs 17 to 27
1
Output Relays 1-16
---- ---- ---- ----
Displays the state of output relays 1 to 16
2
Output Relays 17-29
---- -
Displays the state of output relays 17 to 29
2
Time & Date
13/08/2002 10:16:11
Time and Date
Fault Records
0
Number of fault data records stored
Event Records
0
Number of stored event records
Waveform Records
0
Number of disturbance waveform records
1) Display is different when fewer status inputs are fitted
2) Display is different when fewer output relays are fitted
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