3 Configuration Units
3-30
NJ-series CPU Unit Hardware User’s Manual (W500)
CJ1W-B7A04
CJ1W-B7A22
Note The switch setting is read when the power supply is turned ON. If the switch setting is changed after turning
ON the power supply, the new setting is not used.
ERR3 Port 3
transmis-
sion error
Red Lit A transmission error has occurred at
port 3 of the B7A Unit.
Not lit The Unit is operating normally.
ERR4 Port 4
transmis-
sion error
Red Lit A transmission error has occurred at
port 4 of the B7A Unit.
Not lit The Unit is operating normally.
Indicator Name Color Status Condition
RUN B7A operat-
ing status
Green Lit The B7A Unit is operating.
Not lit The B7A Unit is stopped.
Indicator Name Color Status Condition
RUN B7A operat-
ing status
Green Lit The B7A Unit is operating.
Not lit The B7A Unit is stopped.
ERR1 Port 3
transmis-
sion error
Red Lit A transmission error has occurred at
port 3 of the B7A Unit.
Not lit The Unit is operating normally.
ERR2 Port 4
transmis-
sion error
Red Lit A transmission error has occurred at
port 4 of the B7A Unit.
Not lit The Unit is operating normally.
Transmission Delay Switch
Name Function Factory setting
Transmission delay switch The same baud rate is set for all ports using
this one switch.
Right: Standard (19.2 ms typical)
Left: High-speed (3 ms typical)
Standard
Indicator Name Color Status Condition
B7A04
RUN
B7A22
RUN
ERR1
ERR2
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