Thytronic XMR-T User Manual

172
MEASURES, LOGIC STATES AND COUNTERS
— Protections
For each protection threshold, the following data are available:
• Start ON/OFF
• Trip ON/OFF
• Logic block (Block1) ON/OFF
• Selective block (Block2) ON/OFF
• Cold Load Pickup ON/OFF
— Delayed inputs
The binary input states, acquired downstream the delay timers are available:
• IN1-1 ON/OFF
• IN1-2 ON/OFF
• INx-x ON/OFF
— Self test
Proper management (programming and remote monitoring) of the self-diagnosis function ensures
the fast detection of most of the protection system failures and significantly reduces the need for
periodic testing.
Following anomalies (MINOR) are not relevant (the protective elements continue to work):
• Oscillography run-time OK/NOTOK
• Data Bus minor OK/NOTOK
• Protection I/O assigned run-time minor OK/NOTOK
• PLC I/O not-matching run-time minor  OK/NOTOK
Lower level diagnostic (MINOR) can be output or ignored; for this purpose the MINORFailalarm
parameter can be set ON or OFF inside the Set \ Self test relay submenu.
All remaining anomalies disables all protective functions
[1]
.
The self test information are:
• Protection and controls ONSERVICE/OUTOFSERVICE
• System diagnostic OK/NOTOK
• Device diagnostic OK/NOTOK
• Program diagnostic OK/NOTOK
• Data-base boot OK/NOTOK
• Data-base runtime OK/NOTOK
• DSP boot OK/NOTOK
• DSP run-time OK/NOTOK
• Memory boot OK/NOTOK
• Memory run-time OK/NOTOK
• Data Bus heavy OK/NOTOK
• PLC boot OK/NOTOK
• PLC run-time OK/NOTOK
• Protection I/O assigned verify startup OK/NOTOK
• Protection I/O assigned verify run-time majorOK/NOTOK
• Total protection I/O assigned not-matching0
• Protection I/O assigned not-matching
• PLC I/O assigned not-matching  OK/NOTOK
• PLC I/O assigned not-matching run-time majorOK/NOTOK
• Total PLC I/O assigned not-matching 0
• PLC I/O assigned not-matching
When a higher level anomaly is recognized all protective functions are disabled and the output relays
switch in no-trip state:
• rest state if the output relay are set in De-energizedmode (contacts as shown in the diagrams)
• active state if the output relay are set in Energized mode (opposite to what is shown in the dia-
grams).
The connections of the trip and diagnostic relays must be performed according to the application:
when the output relay must be normally energized and the circuit breaker must be open in case of
failure of the protection system, the self-test function must be enabled and assigned to the normally
energized relay selected for tripping.
The diagnostic alarms can be allocated to an output relay; for this purpose the
Self-testrelaypa-
rameter can be set inside the Set \ Self-test Relay submenu.
— Pilot wire diagnostic
Detailed diagnostic information about the pilot wire are available.
(Read \ Pilot wire diagnostic).
• BLIN1 pilot wire breaking diagnostic state ON/OFF
• Pilot wire BLIN1 shorted ON/OFF
Note 1 The relays are being switched in rest position (ON if set with Energized logic - OFF if set with De-energized logic)
XMR-T EQUIPMENT MANUAL
Ed. 2.9 - 02/2021

Thytronic XMR-T Specifications

General

Brand	Thytronic
Model	XMR-T
Category	Protection Device
Language	English