EasyManuals Logo

Siemens siprotec 7SA6 User Manual

Siemens siprotec 7SA6
876 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #474 background imageLoading...
Page #474 background image
Functions
6-284 7SA6 Manual
C53000-G1176-C156-2
shown. In addition these monitoring alarms are allocated to four different general
alarm categories:
Error with a summary alarm (F.No. 140, i.e. general device failure)
Alarm summary event (F.No. 160, i.e. general supervision alarm)
Failure: general current supervision (F.No. 161)
Failure: general voltage supervision (F.No. 164)
Table 6-13 Summary of the device response to detected failures
Monitoring Possible causes Failure response
General alarms
Alarm (function no.) Output
Auxiliary voltage failure external (aux. supply)
internal (converter)
device out of service or
alarm
all LEDs dark or
Error 5 V (144)
D.OK
2
) resets
Measured value
acquisition
internal (converter or
reference voltage)
protection out of serv-
ice, alarm
LED „ERROR”
Error A/D-conv.
(181)
D.OK
2
) resets
Buffer battery internal (buffer battery) alarm “Fail Battery” (177) as allocated
Hardware–watchdog internal (processor fail) device out of service LED “ERROR” D.OK
2
) resets
Software–watchdog internal (program execu-
tion)
reboot attempt
1
) LED “ERROR” D.OK
2
) resets
Working memory internal (RAM) reboot attempt
1
)
abortion of the boot
process
device out of service
LED flashes D.OK
2
) resets
Program memory internal (EPROM) reboot attempt
1
) LED “ERROR” D.OK
2
) resets
Parameter memory internal (EEPROM or
RAM)
reboot attempt
1
) LED “ERROR” D.OK
2
) resets
Sampling frequency internal (clock) reboot attempt
1
) LED “ERROR” D.OK
2
) resets
1 A/5 A–setting jumper settings
1 A/5 A incorrect
alarm
protection out of service
Error1A/5Awrong (192)
Error A/D-conv. (181)
LED “ERROR”
D.OK
2
) resets
Calibration data internal (EEPROM or
RAM)
alarm:
default values used
Alarm NO calibr
(193)
as allocated
Earth current transformer
sensitive/normal
I/O–module does not cor-
respond to the ordering
code of the device
alarm:
protection out of service
Error neutralCT (194)
Error A/D-conv. (181)
LED “ERROR”
D.OK
2
) resets
Modules module does not corre-
spond to the ordering
code of the device
alarm:
protection out of service
Error Board 1...7
(183 ... 189)
and if applicable
Error A/D-conv. (181)
D.OK
2
) resets
Current sum internal (measured value
acquisition)
alarm “Failure ΣI (162) as allocated
Current symmetry external (primary plant or
current transformers)
alarm Fail I balance”(163) as allocated
Broken conductor external (primary plant or
current transformers)
alarm Fail Conductor (195) as allocated
1
) Following three unsuccessful reboot attempts, the device is taken out of service
2
) D.OK = “Device Okay” = Live contact relay

Table of Contents

Other manuals for Siemens siprotec 7SA6

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Siemens siprotec 7SA6 and is the answer not in the manual?

Siemens siprotec 7SA6 Specifications

General IconGeneral
BrandSiemens
Modelsiprotec 7SA6
CategoryRelays
LanguageEnglish

Related product manuals