<5. Wiring>
51
IM 01C25A01-01E
5.4.3 Cable Connection RTD Terminal Box
Side
type.
NOTE
CAUTION
insulation or its core.
2-Wire 3-Wire 4-Wire
A
B A B b
A
B
a
Figure 5.18 The Method of Wiring for the RTD Side
Table 5.2 The Method of Wiring for the RTD Side
RTD Terminal
RTD Terminal A a B b
open
NOTE
type.
5.5 Grounding
Ground terminal
(inside)
Ground terminal
(outside)
F0525.ai
Figure 5.19 Ground Terminals
5.6 Power Supply Voltage and
Load Resistance
600
250
0 10.5 16.6 25.2 42
External
load
resistance
F0526.ai
Communication
applicable range
BRAIN and HART
R=
E–10.5
0.0244
Figure 5.20 Relationship between Power Supply
Voltage and External Load Resistance