Samwon Tech TEMP880S - 4.2 Communication Wiring; RS232 C and RS485 Wiring Diagrams

SAMWONTECH
1st Edition of TEMP880S IM : Sep. 21. 2005 Page 80 / 101
4.2 Communication Wiring
▶ Wiring between the TEMP880S and superior rank of communication equipment is different by the
▶ option(RS232C/RS485) of TEMP880 and the contents are as below.
4.2.1 Connecting the TEMP880S 9 Pin connector of RS232C Communication
4.2.2 Connecting the terminal plate of TEMP880S of RS485 Communication
☞ MULTIDROP is possible up to the number of 99 in case of SLAVE(TEMP880).
☞ Make sure to connect the vertical section resistance (200Ω 1/4W) in case of the TEMP880S or
☞ MASTER(PC, PLC etc.)
Master Station
TEMP880S
Terminal
Class 3 Ground
SHIELD
Vertical
it
RTX+
RTX-
SG
Class 3 Ground
Vertical
Terminal
RTX+
RTX-
SG
RTX+
RTX-
SG
TEMP880S
RD
TD
RTS
CTS
SG
SHIELD
RxD
TxD
SG
2
3
7
8
5
2
3
5
Master Station
TEMP880S
D-Sub 9Pin Female