Digitronic Digital Cam Switch Unit
Automationsanlagen GmbH CamCon DC50/51
4.1.7.2. Pin allocation of the serial RS485 interface
DSUB 9 pinboard: RS485 Interface for PC attachment or for the networking of many devices
(max. 1000m cable length).
Pin 1,4 Closedown resistors for RS485
Pin 2 B (-)
Pin 3 A (+)
Pin 5 GND
Pin 6-9 N.C.
Interface converterCamCon
CamCon
CamCon
CamCon
CamCon
Interface converter PC
PC
Note: The pins 1 and 2, as well as the pins 3 and 4 have to be bridged in the
attachment plug of the first and last device in a networked chain at the RS485
Interface, to close the data and reception line perfectly. Corresponding
closedown resistors are attached to the system at pin 1 and 4.
,Version from: Aug. 04 Page: 18
2 rue René Laennec 51500 Taissy France
Fax: 03 26 85 19 08, Tel : 03 26 82 49 29
E-mail:hvssystem@hvssystem.com
Site web : www.hvssystem.com
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