Hr865 Card - Mitsubishi Electric MELDAS C6 Maintenance Manual

2.8 HR865 Card

[Block diagram]
RTBUS
Gate
array for
bus I/F
2-port
PLD
RAM
[Explanation of functions]
The HR865 card functions as the CC-Link's master/local station.
CPU 16bitCPU
ASIC Gate array for bus interface
CC-Link master gate array
Memory 2-port RAM
System ROM
Work RAM
Various setting switches
LED
[Connector layout diagram]
RTBUS
2. EXPLANATION OF MODULE FUNCTIONS
2.8 HR865 Card
PROM
EEPROM
SRAM
SRAM
PROM
SRAM
EEPROM
II - 13
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CC-Link
CPU
master
gate
array
Rotary switch, setting, etc.
× 1
× 10
STATION NO. B_RATE
Terminal
block
OI
DC/DC