Relay Modules And Information Flow - GE MiCOM P40 Agile Technical Manual

P44x/EN FD/Hb6
(FD) 8-6
Alarm, event, fault,
disturbance &
maintenance record
IRIG-B signal
Fibre optic
rear comms
port optional
Power supply, rear comms
data, output relay status
Power supply (3 voltages),
rear comms data
Power
supply
Figure 1 - Relay modules and information flow
Present values
of all
settings
Battery
E²PROM
backed-up
SRAM
Front LCD panel RS232 Front comms port
Parallel test port
LEDs
Main processor board
Timing data
IRIG-B board
optional
Relay board
Power supply board
Watchdog Field Rear RS485
contacts voltage communication port
MiCOM P40 Agile P442, P444
CPU code & data,
setting
database data
Flash
SRAM
EPROM
CPU
Comms between
main & coprocessor
boards
FPGA
CPU
Coprocessor board
Parallel data bus
ADC
Input board
Transformer board
Current & voltage inputs (6 to 8)
Firmware Design
Default settings &
parameters, language text,
software code
CPU code & data
SRAM
Digital input values
Analogue input signals
P3026ENb