P225/EN CM/B11
Maintenance
Page 6/18
MiCOM P225
•
While the MiCOM relay is in Maintenance mode:
−
All protective functions are disabled
−
All automation functions are disabled
−
All output relays are off (including the watchdog relay)
−
The ALARM LED flashes
−
The MAINTENANCE MODE alarm appears
−
Communication via RS232 and/or RS485 ports is once more available.
•
When the MiCOM relay is in Maintenance mode:
−
A remote control signal is used to energise the required output relays
−
Another remote control signal must be sent to de-energise the output relays.
•
Once the output relay tests are completed, reset the MiCOM relays to normal
operation mode
−
by using the MiCOM S1 software, or
−
via the RS485 communication port.
3.3.2
Testing the output relays
Connect a continuity tester across the terminals of each output contact to check the correct
contact position (open/closed circuit) as in the table below.
The state of each output relay (1: energised/0: standby) is given in the "OP. PARAMETERS"
menu.
Output relay on standby
Output relay energised
OUTPUT
RELAY
Normally closed
Normally open
Circuit open
Circuit closed
WD
(watchdog)
36-37 36-35 36-37 36-35
RL1
2-4 2-6 2-4 2-6
RL2
8-10 8-12 8-10 8-12
RL3
14-16 14-18 14-16 14-18
RL4
1-3 1-5 1-3 1-5
RL5
7-9 7-11
7-9 7-11
Summary of Contents for MiCOM P225
Page 1: ...MiCOM P225 Motor Protection Relay Technical Guide P225 EN T B11...
Page 2: ......
Page 4: ...P225 EN T B11 Technical Guide Page 2 2 MiCOM P225 BLANK PAGE...
Page 5: ...Connection Diagrams P225 EN CO B11 MiCOM P225 CONNECTION DIAGRAMS...
Page 6: ......
Page 8: ...P225 EN CO B11 Connection Diagrams Page 2 12 MiCOM P225 BLANK PAGE...
Page 18: ...P225 EN CO B11 Connection Diagrams Page 12 12 MiCOM P225 BLANK PAGE...
Page 19: ...Technical Specifications P225 EN TD B11 MiCOM P225 TECHNICAL SPECIFICATIONS...
Page 20: ......
Page 55: ...User Guide P225 EN FT B11 MiCOM P225 USER GUIDE...
Page 56: ......
Page 109: ...Menu of the HMI P225 EN HI B11 MiCOM P225 MENU OF THE HMI...
Page 110: ......
Page 158: ...P225 EN HI B11 Menu of the HMI Page 48 48 MiCOM P225 BLANK PAGE...
Page 159: ...Maintenance P225 EN CM B11 MiCOM P225 MAINTENANCE...
Page 160: ......
Page 162: ...P225 EN CM B11 Maintenance Page 2 18 MiCOM P225 BLANK PAGE...
Page 178: ...P225 EN CM B11 Maintenance Page 18 18 MiCOM P225 PAGE BLANCHE...
Page 179: ...Communication P225 EN CT B11 MiCOM P225 COMMUNICATION...
Page 180: ......
Page 232: ...P225 EN CT B11 Communication Page 52 52 MiCOM P225 BLANK PAGE...
Page 233: ...Setting P225 EN SV B11 MiCOM P225 SETTING...
Page 234: ......
Page 250: ...P225 EN SV B11 Setting Page 16 16 MiCOM P225 BLANK PAGE...
Page 251: ...Installation Guide P225 EN IN B11 MiCOM P225 INSTALLATION GUIDE...
Page 252: ......
Page 254: ...P225 EN IN B11 Installation Guide Page 2 12 MiCOM P225 BLANK PAGE...
Page 265: ...Test Report P225 EN RS B11 MiCOM P225 TEST REPORT...
Page 266: ......
Page 268: ...P225 EN RS B11 Test Report Page 2 20 MiCOM P225 BLANK PAGE...
Page 287: ......