REDUNDANCY CONFIGURATION
REDUNDANCY
30
1TGC908004
6.2.
Redundancy Configuration
There are three options available to connect DCS or PLC to both Digital Gateway
–
One DCS / PLC Master connected to both Digital Gateway.
–
One DCS / PLC with at least redundant (two) master interfaces
–
Redundant (two) DCS / PLC Master where each is connected to one Digital Gateway
(see example Figure 23/24)
Redundant Digital Gateway connection
Both Digital Gateway
must be connected via a RS232 Null Modem cable (port Serial 1 on both
Digital Gateway) to enable data synchronization and ensure correct operation
Figure 25 Serial 1 to serial 1 redundant link connections with ferrite core
The length of this cable should not exceed 10 meters
Redun-
dant Link
Cables
2m
1TGE120109R0002
3m
1TGE120109R0003
5m
1TGE120109R0005
10 m
1TGE120109R0010
Ferrite
Core
1TGB000197P0001
Table 7 Serial Redundant Link Cable ordering code
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