
Trusted
TM
Module T8480
Issue 13 Apr 10 PD-T8480 9
Fig 2 shows a simplified block diagram of the Trusted
T
M
24V dc Analogue Output module.
HIU
OFIA
&
A/Ds
SIGNAL
ISOLATION
OFIU_LV
FIA
&
A/Ds
SIGNAL
ISOLATION
OFIU_LV
FIA
&
A/Ds
SIGNAL
ISOLATION
OFIU_LV
GFSS
V
FIELD
LOADS
P
WR
I
SOL
P
WR
ISOL
PWR
ISOL
Output
Termination
V
FIELD RET
0 V
F
S
D
F
S
D
F
S
D
A
B
C
OFTU_LV
Figure 2 Functional Block Diagram
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