7 VG9H 70 en
39
AO, HART multiplexer
VG9000H
Safety
system
AO
(4 - 20 mA)
Safe area
Hazardous area
HART
Multiplexer
(SIL)
AI
(4-20 mA,
source
mA input
+ HART
mA
output
(T)
RCI9H2*
Safety
system
DO
(0/24 VDC)
24 VDC
power
supply
2
3
19
+
-
20
+
-
7
8/9
HART
(MUX or AI)
-/+
+/-
HART
POW ER
SUPPLY
OUTPUT
SAFETY
SIGNAL
VG9000H
+
-
mA input
+ HART
16
17
* Only part of the RCI9H2 wiring is shown here.
Detailed wiring can be found in the RCI manual (7RCI9H270EN)
DO, RCI, HART AI
