Commissioning Hardware PolyGard
®
DGC- 05
Page 15
PolyGard
is
a
registered
trademark
of
MSR
GAINBDGC05_E_1206
Phone.:
0049(0)8531/9004-0
Fax:
0049(0)8531/9004-54
Specification subject to change without notice.
MSR-Electronic GmbH, Würdinger Str. 27, D 94060 Pocking
www.msr-electronic.de
Made in Germany
5 Commissioning
For fast and comfortable commissioning we recommend to proceed as follows. Especially the given specifications
of the field bus cable have to be checked carefully, because it is here where most of the causes for problems of
the field bus communication appear.
5.1 Optical
check
•
Right cable type used.
•
Cable topology and cable length.
•
Correct connection at each bus transmitter according to the following figure.
•
Termination at the beginning and at the end of each segment.
•
Pay special attention to the fact that the polarity of BUS_A and BUS_B is not reversed!
Fig. 14 Example: Wiring and connection of a DT- 05 transmitter to an AT-X2-34XX transmitter
Transmitter
DT-05-1100
Transmitter AT-X2-34XX
X4
X4
X5
X5
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0 VDC
BUS_A
BUS_B
24 VDC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
4 to 20 mA
4 to 20 mA
0 VDC
0 VDC
24 VDC
24 VDC
1
1
2
2
3
3
4
4
5
5
White
Black
Yellow
Red
Red
Yellow
Black