Control System Functional Description - Hitachi E-Compact Medium Power Series Operation Manual

6.1.3. Control System Functional Description

MAIN EXCITER (NOT INCLUDED)
Exciter Status
MAIN CM8001
CONTROL MODULE
PA702MP / PA704MP
POWER AMPLIFIER
A1 +8Vcc from MCCB (NOT USED TO MEDIUM POWER SERIES)
A2 +15VCC - MCCB Source Monitor
(NOT USED TO MEDIUM POWER SERIES)
A3 +50VCC - MCCB Source Monitor
(NOT USED TO MEDIUM POWER SERIES)
A4 Forward Output Power Measure - Analog signal, from 0 to 4.5v
A5 Remote Control Data In
A6 Reflected Output Power Measure - Analog signal, from 0 to 4.5v
A7 Power Amplifier On/Off (5V means normal operation)
A8 RS-485A Communication
A9 GND
A10 RS-485B Communication
B1 Mask Filter Alarm Temperature (5Vcc)
B2 +8Vcc (Main Control Address) – 0Vcc (Backup Control Address)
B3 Control I/O
B4 AC Phase Alarm - 5V means normal operation
B5 Dummy Load Drawer Fan Alarm - 5V means normal operation
B6 Remote Control Data Out
B7 Exciter Status - Digital signal - 5V means normal operation
B8 Remote Control Clock
B9 Control I/O
B10 Coaxial Relay Control
RF
RF: +1dBm
RF
BACKUP EXCITER (NOT INCLUDED)
Exciter Status
COAXIAL RELAY
RF
Communication
Control I/O
B1
B1 B2 B3 B4 B5 B6 B7 B8 B9 B10
B10
A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
B10
A1
Control I/O Connector
MOD Control Rear Panel
E-Compact Medium Power
RF: +1dBm
BACKUP CM8001
CONTROL MODULE
(OPTIONAL)
B10
A10
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