271
Water-resistant Terminals
Section 5-4
Node Number Settings
Set the node number in hexadecimal with the rotary switch as shown in the
following table.
Note
The possible range of node numbers varies with the type of Master and set-
tings in the Master. Refer to
2-1 Communications Specifications
for details.
Communications Mode Settings
The following communications modes are set with pin 3 of the DIP.
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
Internal Circuits
SRT2–ID04CL, SRT2-ID08CL
The following diagram shows the internal circuits for the SRT2-ID04-CL and
SRT2-ID08CL.
Node number
Setting (Hex)
Node number
Setting (Hex)
0
0
8
8
1
1
9
9
2
2
10
A
3
3
11
B
4
4
12
C
5
5
13
D
6
6
14
E
7
7
15
F
Pin 3
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
CompoBus/S
communications
connector
Photocoupler
External power
supply connector
Input connector 0
Input connector 1
Photocoupler
Inter
nal circuitr
y