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Water-resistant Terminals
Section 5-4
Slave Components
The following diagram shows the main components of the SRT2-ID
@@
CL (-
@
) Water-resistant Terminals with Transistor Inputs. The functions of these
components are described below.
Indicators
The following table shows the meaning of the indicators.
Switch Settings
The rotary switch and the DIP switch are located under the transparent cover.
Note
1.
Always turn OFF the Slave before changing switch settings.
2.
Always set all the reserved pins to OFF, or otherwise the Unit may not op-
erate normally.
CompoBus/S Indicators
Indicate the status of the
Slave and communica-
tions.
Communications Connector
Used to connect CompoBus/S communications data
(BD H, BD L) and communications power supply
Rotary Switch
Used to set the
node number
DIP switch
The DIP switch's pins have the following functions:
Pins 1 to 2: Reserved (Always OFF.)
Pin 3: Communications mode setting
Pin 4: Reserved (Always OFF.)
External Power Supply
Connector
Connect I/O power supply
for input.
Input Connectors
Connect the cables from switches and sensors here.
The SRT2-ID04CL has 4 connectors and SRT2-ID08CL
has 8 connectors.
Input Indicators
Indicate the status of
each input. (Lit when
the input is ON.)
Indicator
Name
Status
Meaning
PWR (green)
Power
ON
The communications power supply is
ON.
OFF
The communications power supply is
OFF.
COMM (yellow) Communica-
tions
ON
Normal communications.
OFF
A communications error has occurred
or the Unit is in standby status.
ERR (red)
Communica-
tions error
ON
A communications error has occurred.
OFF
Normal communications or the Unit is
in standby status.
IN0 to 3 (4
inputs)
IN0 to 7 (8
inputs)
(yellow)
Inputs
ON
The corresponding input is ON.
OFF
The corresponding input 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
ON