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Sensor Terminals
Section 5-5
DIP Switch
Note
1.
Always turn OFF the Slave before changing DIP switch settings.
2.
In the SRT1 Series, pin 5 must always be left OFF. Otherwise, the Unit may
not function correctly.
Hold/Clear Outputs for Communications Error
Pin 6 is used to set the output data status when a communications error
occurs, as shown in the following table.
Communications Mode Settings (SRT2 Series Only)
The following communications modes are set with pin 5.
The communications mode settings using pin 5 only apply to the SRT2-series
Slaves and cannot be used with the SRT1-series Slaves, which operate in
High-speed Communications Mode at all times.
Note
Make sure that the communications mode of the Slave is the same as that of
the Master Unit. If the communications modes are not the same, normal com-
munications with the Master Unit will not be possible. The operating status of
the Slave can be verified with LED indicators. Refer to
for
details.
OUT 0 to 7
(yellow)
ON
The corresponding output is ON.
OFF
The corresponding output is OFF or the Unit is in standby
status.
Indicator
Status
Meaning
Communications mode setting (SRT2 Series)
or Reserved (Always OFF) (SRT1 Series)
Node number setting
Hold/Clear outputs for
communications error
Pin 6 (HOLD)
Output setting
OFF
Clear output status.
ON
Maintain output status.
Pin 5
Communica-
tions mode
Communica-
tions distance
Communica-
tions baud rate
Communica-
tions cycle time
OFF
High-speed Com-
munications
Mode
100 m max.
750 kbps
0.5 or 0.8 ms
ON
Long-distance
Communications
Mode
500 m max.
93.75 kbps
4.0 or 6.0 ms