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Connector Terminals Section 5-2
Indicators
The following table shows the meaning of the indicators.
Note Word m 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 (yellow) Communica-
tions
ON Normal communications on word
m.
OFF A communications error has
occurred on word m or the Unit is
in standby status.
COMM2 (yellow) ON Normal communications on word
m+1.
OFF A communications error has
occurred on word m+1 or the Unit
is in standby status.
ERR1 (red) Communica-
tions error
ON A communications error has
occurred on word m.
OFF Normal communications on word
m or the Unit is in standby status.
ERR2 (red) ON A communications error has
occurred on word m+1.
OFF Normal communications on word
m+1 or the Unit is in standby sta-
tus.
I (yellow) 0 to 15
(16 inputs)
Input ON The corresponding input on word
m is ON.
OFF The corresponding input is OFF or
the Unit is in standby status.
II (yellow) 0 to 15
(16 inputs)
ON The corresponding input on word
m+1 is ON.
OFF The corresponding input on word
m+1 is OFF or the Unit is in
standby status.
Node number setting
Reserved (Always OFF.)
Communications mode setting
Reserved (Always OFF.)
RSV RSV DR RSV
O
N
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