Binary input
Function
1
Activated
0
Deactivated
4.5.3
Function block
IEC09000946-1-en.vsd
CHNGLCK
LOCK
IEC09000946 V1 EN
Figure 32:
CHNGLCK function block
4.5.4
Input and output signals
Table 33:
CHNGLCK Input signals
Name
Type
Default
Description
LOCK
BOOLEAN
0
Parameter change lock
4.5.5
Setting parameters
Table 34:
CHNGLCK Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
LockHMI and Com
LockHMI,
EnableCom
EnableHMI,
LockCom
-
-
LockHMI and Com Operation mode of change lock
4.6
Test mode functionality TEST
4.6.1
Introduction
When the Test mode functionality TESTMODE is activated, all the functions in the
IED are automatically blocked. It is then possible to unblock every function(s)
individually from the local HMI to perform required tests.
When leaving TESTMODE, all blockings are removed and the IED resumes normal
operation. However, if during TESTMODE operation, power is removed and later
1MRK505222-UUS C
Section 4
Basic IED functions
99
Technical reference manual
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