OPERATION MANUAL CompoBus/S

Remote Terminals Section 5-1
Terminal Arrangement
and Wiring
160
Communications Mode Settings (SRT2 Series Only)
The communications mode is set with pin 3, as shown below.
Pin 3 Communications
mode
OFF High-speed Communications
Mode
ON Long-distance
Communications
Mode
The communications mode settings using pin 3 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.
Internal Circuits
The following diagram shows the internal circuits for the SRT@-ID16T.
DC static
converter
(Insulated)
Communications
distance
Communications
baud rate
Communications
cycle time
100 m max. 750 kbps 0.5 or 0.8 ms
The following diagram shows the internal circuits for the SRT@-ID16T-1.
DC-DC
converter
(Insulated)
Internal
circuitry
Internal
circuitry
500 m max. 93.75 kbps 4.0 or 6.0 ms
Photocoupler
Photocoupler
Photocoupler
Photocoupler
0 to 7
24 V DC
24 V DC
8 to 15
Install the following M3 crimp terminals on the signal wires and connect to the
terminal block.
6.0mm max. 6.0mm max.
0 to 7
24 V DC
24 V DC
8 to 15
Note Tighten the terminal block screws to the specified tightening torque of
0.5 N⋅m.