Unit Circuit Board - Mitsubishi Electric e Series Service Handbook

[ III Unit Components ]

[3] Unit Circuit Board

1. Control board (MAIN board)
CNDC
Bus voltage input
P
N
Voltage output at
the dry contact
Rotary switch
SWU1-3
Slide switch
SWS1-2
Actuator
driving output
IT terminal
CNAC
200 VAC input
R
S
F06
Fuse
250V/3.15A
HWE1417B
CN 2
Serial communication
signal input
GND
Output 17VDC
External signal input
(contact input)
LED2
Lit during normal
CPU operation
CN801
Pressure switch
connection
CN62
Transmission line input/output
for centralized control system
Internal transmission line
input/output (30VDC)
- 45 -
CN 4
GND
Serial communication signal output
LED4
Energization status
(CPU)
LEV
driving output
CN3A
Remote controller
LED1
Digital display
LED3
Energization status
(Remote controller)
Dip switch
SW1-3
Push switch
SWP1-3
Sensor
input
Dip switch
SW421
CNIT
Output 12VDC
GND
Output 5VDC
RX (Power supply detection
input)
TX (Power supply ON/OFF
signal output)
GB