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HAZARDOUS AREA
HMT360 Connection board
In case only CH1
is in use in HMT360,
keep CH2
unconnected.
HMT360 Safety factors:
U
= 28 Vdc
i
I
= 100 mA
i
P
= 700 mW
i
C
= 1 nF
i
L
= Negligibly low
i
Figure 1 HMT360 Connected to a Galvanic Isolator
CAUTION!
and Ch 2 (-) must be short circuited.
6
-
-
+
+
CH1
CH2
ON
OFF
If both analog outputs are in use with a galvanic isolator, the Ch 1 (-)
SAFE AREA
Intrinsically
safe certified
galvanic
isolators
L+
L -
4-20 mA
+
+
-
-
L+
L-
4-20 mA
+
+
-
-
Associated apparatus
entity parameters:
U
≤ U
o
i
I
≤ I
o
i
P
≤ P
o
i
C
≥ C
+ C
o
i
cable
L
≥ L
+ L
o
i
cable
DC Power supply
+
-
Controller
+
-
+
-
In case of controller
with voltage input,
use shunt resistor:
Controller
4-20 mA
+
RI
U = I*RI
-
M210483EN-K
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