GE P444

Firmware
Design P44x/EN FD/Hb
6
MiCOM P40 Agile P442,
P444 (FD) 8-
3
CONTENTS
1 RELAY SYSTEM OVERVIEW 5
1.1 Hardware overview 5
1.1.1 Power supply module 5
1.1.2 Main processor board 5
1.1.3 Co-processor board 5
1.1.4 Input module 5
1.1.5 Input and output boards 5
1.1.6 IRIG-B modulated or unmodulated board 5
1.1.7 Second rear comms and InterMiCOM board (optional) 7
1.1.8 Ethernet or Redundant Ethernet board (optional) 7
1.1.9 9-2 Ethernet board (optional) 7
1.2 Software overview 7
1.2.1 Real-time operating system 7
1.2.2 System services software 7
1.2.3 Platform software 8
1.2.4 Protection & control software 8
1.2.5 Disturbance Recorder 8
2 HARDWARE MODULES 9
2.1 Processor board 9
2.2 Co-processor board 9
2.3 Internal communication buses 9
2.4 Input module 10
2.4.1 Transformer board 10
2.4.2 Input board 10
2.4.3 Universal opto isolated logic inputs 10
2.5 Power supply module (including output relays) 12
2.5.1 Power supply board (including RS485 communication interface) 12
2.5.2 Output relay board (standard) 13
2.5.3 Output relay board (High speed / High break – Option) 13
2.6 IRIG-B board (P442 and P444 only) 13
2.7 2nd rear communications board 14
2.8 Ethernet and redundant boards 14
2.9 Mechanical layout 15
3 RELAY SOFTWARE 16
3.1 Real-time operating system 16
3.2 System services software 16
3.3 Platform software 17
3.3.1 Record logging 17
3.3.2 Settings database 17