OAS Open AutomationSystems GmbH
Page
2
of
6
Note: The time for triggering the 'safe state' should not be too short in order to avoid
malfunctions as they can occur, e.g., when another device which is connected to the bus fails
and will so cause time-outs
Regarding the system configuration (addressing, maximum number of modules connected to a MODBus
Master interface, installation, connection to the bus etc.), please follow the instructions in the chapter
Configuration
.
Overview terminal assignment
OAS-SBS-
IOMR-1026
G
ND
24V
A
C
/D
C
not
us
ed
not
us
ed
Output voltages of DOs are potential-free
DO No. 1-4
DO1
DO2
DO3
DO4
Terminal:
10
11
12
13
14
15
16
17
Power supply
Terminal:
1
2
Bus connection
Terminal No.
I-GND
3
Net A (–) aka /D
4
Net B (+) aka D
5
