
JNA
F–BUS backplane connector
ADD–ON board
LEDs for slave
function LEDs for master
function
LED1 (green) LEDB (red) LEDB (red)
LED3 (green)LED2 (green)
LED2 (green)
LED1 (green)
(1)LEDs for master function
LED No.
(abbreviation)
Meaning
LED1 (CPU) Lights to indicate the CPU for the master function is running.
LED2 (TOKEN) Lights when the communication LSI (ASPC2) has a token
(right to transmit).
LEDB (PALM) Lights when a memory parity alarm occurs in the master
function circuit.
It is likely that the hardware is defective.
(2)LEDs for slave function (mounted on the add–on board)
LED No.
(abbreviation)
Meaning
LED1 (CPU) Lights to indicate the CPU for the slave function is running.
LED2 (COMM) Lights when PROFIBUS communication starts. It remains to
be on after the PROFIBUS communication is suspended,
however.
LED3 (RUN) Lights to indicate that PROFIBUS communication is being
performed normally.
LEDB (PALM) Lights when a memory parity alarm occurs in the slave function
circuit.
It is likely that the hardware is defective.
D LED indication
GFKE-0222-EN
2. LCD–MOUNTED TYPE i SERIES
HARDWARE
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