OPERATION MANUAL CompoBus/S

Sensor Terminals Section 5-5
DIP Switch
290
Node number setting Hold/clear outputs for
communications error
Communications mode setting (SRT2 Series)
or Reserved (Always OFF) (SRT1 Series)
Note Always turn OFF the Slave before changing DIP switch settings.
Node Number Settings
Set the node number with pins 1 through 4, as shown in the following table.
Node number Pin 4
(8)
Pin 3
(4)
Pin 2
(2)
0 OFF OFF OFF OFF
1 OFF OFF OFF ON
2 OFF OFF ON OFF
3 OFF OFF ON ON
4 OFF ON OFF OFF
5 OFF ON OFF ON
6 OFF ON ON OFF
7 OFF ON ON ON
8 ON OFF OFF OFF
9 ON OFF OFF ON
10 ON OFF ON OFF
11 ON OFF ON ON
12 ON ON OFF OFF
13 ON ON OFF ON
14 ON ON ON OFF
15 ON ON ON ON
Pin 1
(1)
Note The actual node number setting range depends on the type of PLC in which
the Master is mounted as well as the Master’s settings. Refer to 2-1 Communications
Specifications for details.
Communications Mode Settings (SRT2 Series Only)
The following communications modes are set with pin 5 as shown below.
Pin 5 CommunicaCommunicaCommunicaCommunications mode tions distance tions baud rate tions cycle time
OFF High-speed Communications
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
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 communications
with the Master Unit will not be possible. The operating status of
the Slave can be verified with LED indicators. Refer to 6-5-1 Indicators.