2 interface connection – INFICON SKY CDGxxxD (Profibus) User Manual
Page 8

8
tira54e1-a (2009-01) CDGxxxD.cp
2 Interface
Connection
For operating the temperature controlled CDGxxxD gauge via Profibus, an inter-
face cable conforming to the Profibus standard is required.
If no such cable is available, make one according to the following indications.
Only a cable that is suited to Profibus operation may be used (
→ [4] and [5]).
n
Make the Profibus interface cable according to the following indications:
1
5
6
9
D-Sub, 9 pins
male, soldering side
Pin 1 Do not connect
Pin 2 Do not connect
Pin
3 RxD/TxD-P
Pin
4 CNTR-P
1)
Pin
5 DGND
2)
Pin
6 VP
2)
Pin 7 Not connected internally
Pin
8 RxD/TxD-N
Pin 9 Not connected internally
1)
Only to be connected if an optical link module is used.
2)
Only required as line termination for devices at both ends of bus cable
(
→ [4]).
Pin assignment of the D-Sub 15-pins sensor connector according to the
respective operating manual (
→ [1], [2], [3]).
o
Plug the Profibus (and sensor) cable connector into the gauge.
Sensor cable
Profibus cable
p
Lock the Profibus (and sensor) cable connector.
Making a Profibus Interface
Cable
Cable type
Procedure