10.12.1.1
Testing the gas medium supervision for pressure alarm and pressure
lockout conditions
GUID-768DAAC8-F89D-4401-B86D-9B26FD7224F6 v3
1.
Connect binary inputs to consider gas pressure and gas density to initiate the
alarms.
2.
Consider the analogue pressure input
SENPRES
and set
SENPRES
to a value
lower than
PresAlmLimit
or activate binary input signal
SENPRESALM
, check
that outputs
PRESALM
and
ALARM
are activated after a set time delay of
tPressureAlarm
.
3.
Gas pressure lockout input
SETPLO
can be used to set
PRESLO
.
4.
Also, reduce further the pressure level input below
PresLOLimit
or activate
the binary input signal
SENPRESLO
, check that
PRESLO
signal appears after
a set time delay of
tPressureLO
.
5.
Activate
BLOCK
binary input and check that the outputs
PRESALM
,
PRESLO
,
ALARM
and
LOCKOUT
disappear.
6.
Reset the
BLOCK
binary input.
7.
Make sure that pressure lockout condition exists and then activate the reset
lock out input
RESETLO
and check that the outputs
PRESLO
and
LOCKOUT
reset.
10.12.1.2
Testing the gas medium supervision for temperature alarm and
temperature lock out conditions
GUID-EC145626-90B0-45A2-AD58-CB8BF203FE16 v1
1.
Consider the analogue temperature input
SENTEMP
and set
SENTEMP
to a
value higher than
TempAlarmLimit
, check that outputs
TEMPALM
and
ALARM
are activated after a set time delay of
tTempAlarm
.
2.
Temperature lockout input
SETTLO
can be used to set
TEMPLO
signal.
3.
Also, increase further the temperature input above
TempLOLimit
, check that
the outputs
TEMPLO
and
LOCKOUT
appears after a set time delay of
tTempLockOut
.
4.
Activate
BLOCK
binary input and check that the outputs
TEMPALM
,
TEMPLO
,
ALARM
and
LOCKOUT
disappear.
5.
Reset the
BLOCK
binary input.
6.
Make sure that temperature lockout condition exists and then activate the
reset lock out input
RESETLO
and check that the outputs
TEMPLO
and
LOCKOUT
reset.
10.12.1.3
Completing the test
GUID-DD08C598-A35C-4300-9555-A0877F7DC511 v2
Continue to test another function or end the test by changing the
TestMode
setting
to
Off
. Restore connections and settings to their original values, if they were
changed for testing purposes.
Section 10
1MRK 506 377-UEN C
Testing functionality by secondary injection
164
Railway application RER670 2.2 IEC
Commissioning manual
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