238
Connector Terminals
Section 5-2
Indicators
The following table shows the meaning of the indicators.
Note
Word n is the first word allocated in the Unit.
Switch Settings
The rotary switch and the DIP switch are located on the upper part of the Con-
nector Terminal.
Note
Always turn OFF the Slave before changing switch settings.
Node Number Settings
Set the node number in hexadecimal with the rotary switch as shown in the
following table.
Indicator
Name
Status
Meaning
PWR (green)
Power
ON
The communications power sup-
ply is ON.
OFF
The communications power sup-
ply is OFF.
COMM1 (yel-
low)
Communica-
tions
ON
Normal communications on word
n.
OFF
A communications error has
occurred on word n or the Unit is
in standby status.
COMM2 (yel-
low)
ON
Normal communications on word
n+1.
OFF
A communications error has
occurred on word n+1 or the Unit
is in standby status.
ERR1 (red)
Communica-
tions error
ON
A communications error has
occurred on word n.
OFF
Normal communications on word
n or the Unit is in standby status.
ERR2 (red)
ON
A communications error has
occurred on word n+1.
OFF
Normal communications on word
n+1 or the Unit is in standby sta-
tus.
I (yellow) 0 to
15 (16 outputs)
Outputs
ON
The corresponding output on
word n is ON.
OFF
The corresponding output is OFF
or the Unit is in standby status.
II (yellow) 0 to
15 (16 inputs)
ON
The corresponding output on
word n+1 is ON.
OFF
The corresponding output on
word n+1 is OFF or the Unit is in
standby status.
Node number setting
Reserved (Always OFF.)
Hold/Clear setting
Communications mode setting
RSV RSV DR HOLD
O
N