Front View Of The Device; Figure 6.1 Front View Of 7Sd600 With Control Panel And Displays - Siemens SIPROTEC 7SD600 System Manual

Numerical line differential protection SIPROTEC 7SD600 V3.0
6.2.4

Front view of the device

Service/
Operation
Blocked/
Fault
+
Y/J
Line Differential Protection
Power differential protection
U = 60,110,125V DC
H
f =50/60 Hz
N
Diagr.:
7SD6000-4EA00-0DA0
Fno.

Figure 6.1 Front view of 7SD600 with control panel and displays

Siemens AG January 1999
1
2
3
4
-
E
N
RESET
2
[o ]
III
n
Default value of the marshallable LEDs:
1
2
3
4
Operating instructions
System manual
In service indication (green)
Fault indication (red)
LED indication 1 to 4 (red), marshallable
(factory setting, see below)
Two-line display (LCD) with 8 characters each
Keypad with control and function keys
Lockout state of the trip command
Protection device (general) trip
Fault in the pilot wire monitoring
- Blocking by saturation in the differential current
- Blocking by differential current monitoring
- Blocking by harmonics
6
Order no. E50417-G1176-C069-A1
6 - 3