Manual
Isolated Guarded Digital Output Module
(T3485)
PD
-
6034
Mar
-
06
9
In a fail
-
safe configuration, removing the module disables all
outputs.
Figure
4
. Fail
-
Safe Configuration.
Fault Tolerant Configuration
For fault tolerant operation, two isolated Guarded output
modules are connected in parallel as shown in Figure
5
. In
this configuration, operation continues even if one module
fails.
In the fault tolerant configuration, a failed module can be
removed and replaced without interrupting o
peration of the
loads.
Figure
5
. Fault Tolerant Configuration.