3.2
Bus connection (standard)
For explosion-proof version (type designation: AMExB/ AMExC), please
refer to page 8 or page 10.
For version with FO (fibre optics), please refer to separate operation instruc-
tions “AUMA MATIC AM 01.1/ AM 02.1 FO connection”.
.
Connect bus cable. Refer to figures B-1 to B2.
The termination resistors for channel 1 and channel 2 (options) are switched
in via switches (S1) and (S2). Both switches are supplied in position ‘OFF’.
Only switch on the termination resistors (position ‘ON’) if the actuator is the
final device in the Profibus segment.
Only switch on the termination resistors (position ‘ON’) if the
actuator is the final device within the Profibus DP segment.
5
Actuator controls AUMA MATIC AM/ AMExB/ AMExC
Short instructions bus connection
Profibus DP
S1
ON
Bus termination channel 1 ON
OFF
Bus termination channel 1 OFF
S2
ON
Bus termination channel 2 ON (option)
OFF
Bus termination channel 2 OFF (option)
Table 2: Switch positions of S1 and S2
Figure B-1: Connection board (standard)
S1
Bus termination
channel 1
Connection
channel 1
Screening
S2
Bus termination
channel 2
(option)
Connection cannel 2
(redundant)
Screening
X1
P/B N/A
N/A
5V
P/B
GND
B
A
A
B
Figure B-2: Connection (standard)
from previous / to next
Profibus DP device
channel 1