AUMA AMExC 01.1 User Manual

7.2 Bus connection (standard) For explosion-proof version (type designation: AMExB/ AMExC), please
refer to page 15 or page 17.
For version with FO (fibre optics), refer to separate operation instructions
“AUMA MATIC AM 01.1/ AM 02.1 FO connection”.
.
Connect bus cable. Refer to figures C-1 and C-4.
The termination resistors for channel 1 and channel 2 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 Modbus segment.
12
Actuator controls AUMA MATIC AM/ AMExB/ AMExC
Modbus Operation instructions
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 3: Switch positions of S1 and S2
Figure C-1: Connection board (standard)
S1
Bus termination
channel 1
Connection
channel 1
Screening
S2
Bus termination
channel 2
(ption)
Connection
channel 2
(redundant)
Screening
X1
P/B
N/A
N/A
5V
P/B
GND
B
A
A
B
Figure C-2: Connection (standard)
from previous / to next
Modbus device
channel 1

AUMA AMExC 01.1 Specifications

General

Brand	AUMA
Model	AMExC 01.1
Category	Control Unit
Language	English