Omron S8M - 3-4 RS-232 C Port Wiring (S8 M-CP04-R and S8 M-CP04-RS Only)

43
RS-232C Port Wiring (S8M-CP04-R and S8M-CP04-RS Only) Section 3-4
■ Internal Circuits
Note The three alarm output circuits are configured as independent circuits, so they
can be used for either sinking or sourcing applications.
3-4 RS-232C Port Wiring (S8M-CP04-R and S8M-CP04-RS
Only)
The S8M-CP04-R and S8M-CP04-RS have RS-232C port terminals for com-
munications with the Support Tool.
Creating the
Connecting Cable
There is not an accessory connecting cable available to connect the S8M with
personal computer. Assemble an RS-232C connecting cable as shown below.
Output
circuits
30 VDC, 50 mA max.
Transistor outputs
Input
circuit
19.2 to 30.0 VDC
Minimum signal width: 10 ms
Tripping Alarm
Output circuit
Alarm Output
circuit
Over-tempera-
ture Output cir-
cuit
External
Tripping Input
circuit
TRP+
TRP−
ALM+
ALM−
TMP
+
TMP
−
TRG
+
TRG
−
1
2
3
SD RD SG
SD
RD
SG
Pin Signal abbreviation Signal name
2 SD Send data
3 RD Receive data
5 SG Signal ground
9
6
5
1
S8M RS-232C port connection
10 mm
Host computer connection