Panasonic FP2 - Page 26

FP2 Serial Data Unit
Parts and Functions
2 − 4
2.1 Parts and Functions
2.1.2 Operation Status Display LEDs
The operation status display shows status conditions such as the communication status
of the unit and errors/alarms.
Display Operation
Alarm (red)
Lighted: Unit error (Lights on watchdog timer error)
Not lighted: Goes out when there is no error
COM.1 Sent data monitoring
SD
(g ee )
Blinks during sending
SD (green)
Goes out when there is no sent data
Received data monitoring
RD
(g ee )
Blinks during reception
RD (green)
Goes out when there is no reception data
Communication error
ERR
( ed)
Lights when communication error occurs
ERR (red)
Goes out when normal frame is received
COM.2 Sent data monitoring
SD
(g ee )
Blinks during sending
SD (green)
Goes out when there is no sent data
Received data monitoring
RD
(g ee )
Blinks during reception
RD (green)
Goes out when there is no reception data
Communication error
ERR
( ed)
Lights when communication error occurs
ERR (red)
Goes out when normal frame is received
LED status ( :on : blink :off)
Note
The ERROR LED for communication error lights if a parity,
framing, overrun, or BCC error occurs.