Siemens 7UT51 User Manual

7UT51 v3
Field Testing and Commissioning
18
PRIM-2330C 209
18.11 Putting the Relay into
Operation
All setting values should be checked again, in case
they were altered during the tests. Particularly check
that all desired protection functions have been
Enabled
in the Address Block 7800 and that all
desired protection functions have been switched
On
in
the corresponding settings menu.
Stored indications on the front plate should be reset by
pressing the “
Target Reset
” on the front so that from
then on, only real faults are indicated. From that
moment, the measured values of the quiescent state
are displayed. While pressing the
Reset
button, the
LEDs on the front will light up (except the “
Blocked
”
LED); thus, an LED test is performed at the same
time.
Delete stored annunciations and counters go to
Address Block 8200:
1. Enter the password (000000)
- 8201 Resets LED memory - using WinDIGSI,
the LED reset is found under:
Options \ Device \ Reset LEDS
- 8202 Deletes the operational buffer storage -
using WinDIGSI, deleting the operational
buffer is found under:
Control/ Resetting Stored Data / 8202 -
Reset event log /
or / 8203 – Reset Trip
Log
- 8203 Deletes the fault annunciation buffer
storage -using WinDIGSI, deleting the
operational buffer is found under:
Control/ Resetting Stored Data / 8202 -
Reset event log /
or / 8203 – Reset Trip
Log
2. Press the
Target Reset
on front panel
3. Push the
Event
key on the front of relay. The
display shows the beginning of the annunciation
blocks. Thus, it is possible that the measured
values for the quiescent state of the relay can be
displayed. These values had been chosen during
configuration under the Addresses 7105 and
7106.
All terminal screws, even those not in use,
should be tightened.
Check that all modules are properly inserted.
The green LED should be illuminated and the
red LED should not
be illuminated.
4. Close housing cover.
Note:
Housing cover must be on relay for proper
operation.
5. Place test switch in the operating position.
After all readings are taken and found to be
correct, the relays are placed in service.
6. Check that all protection is in service and that all
indicating lights, targets, and equipment are reset
and normal before leaving.

Siemens 7UT51 Specifications

General

Brand	Siemens
Model	7UT51
Category	Relays
Language	English