Samwon Tech TEMI850 Manuel d'instructions Page 19

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SAMWONTECH
3rd Edition of TEMI880 IM : Aug. 22. 2005 Page 17 / 123
1.4.2.10 Communication(RS485/RS232C) Wiring
Before starting communication wiring, be sure to turn off the system,
or else you will get an electrical shock.
1.4.2.10.1 RS485 Wiring
The slave side(TEMI880) can accommodate up to 99 units in a MULTIDROP connection.
Be sure to connect a terminating resistance(220Ω 1/4W) to the units at the both.
1.4.2.10.2 RS232C Wiring
Connector : Wiring with 9 Pin
SHIELD
RD
TD
RTS
CTS
SG
Master Station
RxD
TxD
SG
TEMI880
D-Sub 9Pin Female
2
7
3
8
5
2
3
5
CAUTION
Master Station
TEMI880
Controller
Class 3 Ground
SHIELD
Termination
Resistance
RTX+
RTX-
SG
Class 3 Ground
Termination
Resistance
Controller
RTX+
RTX-
SG
RTX+
RTX-
SG
TEMI880
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