Siemens sitrans Manual de instrucciones - Página 13
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Interconnection
SITRANS AS 100 Standard Temperature Version
(ST)
Extended Temperature Version (ET)
Notes:
•
Connect shield to ground at one end only!
•
If Sensor mounting is grounded, leave cable shield disconnected
•
If Sensor mounting is not grounded, connect cable shield to ground
The longer the cable, the more susceptible it is to noise and earth loops. We
recommended using cable with heavy gauge conductors and good RF/electrical shielding
(copper braid rather than drain and foil). A proper junction box close to the sensor is an
ideal location not only to extend the cable, but to also to configure the wiring for high or
low sensitivity range operation.
7ML19985DM02
*Sensor range selection
high sensitivity range = green to Vsup +
low sensitivity range = green to Vsup -
*Sensor range selection
high sensitivity range = orange to Vsup +
low sensitivity range = orange to Vsup -
SITRANS AS 100 – INSTRUCTION MANUAL
red
blk
or
grn*
blk
wht
blk
shield--tied to Sensor casing
red
blk
org
or
grn*
yel
brn
shield--tied to Sensor casing
20 to 30 V
+
Vsup:
-
DC supply
input
+
Vsens:
-
analog output
0.08 to 10 V DC
nominal
20 to 30 V
+
Vsup:
-
DC supply
input
+
Vsens:
-
analog output
0.08 to 10 V DC
nominal
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