Digitronic
CamCon Terminal
Automationsanlagen GmbH
DC51/T
3.1.2.2. Pin allocation of the serial RS485 interface
DSUB 9 pinboard:
RS485 interface links many devices (max. 1000m cable length).
Pin
1,4
Closedown resistors
Pin
2
B (-)
Pin
3
A (+)
Pin
5
GND
Pin
6-9
N.C.
CamCon DC90
Unit number 0
with bridged close-down resistors
CamCon Terminal DC51/T4
Unit number 60
with bridged close-down resistors
CamCon DC16
Unit number 0
without bridged close-down resistors
CamCon Terminal 51/T4
Unit number 60
with bridged close-down resistors
CamCon DC16
Unit number 1
without bridged close-down resistors
without bridged close-down resistors
Unit number 2
CamCon DC16
with bridged close-down resistors
interface converter
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: Jul. 04
Page: 6
2 rue René Laennec 51500 Taissy France
Fax: 03 26 85 19 08, Tel : 03 26 82 49 29
E-mail:[email protected]
Site web : www.hvssystem.com
