IM-P323-32
CTLS Issue 5
33
SX80 and SX90 Quickstart Guide
3.4.4.6 Sensor input
9
SX80 and SX90
Do not run input wires with power cables.
When shielded cable is used, it should be grounded at one point only.
Any external components (such as zener barriers) connected between
sensor and input terminals may cause errors in measurement due to
excessive and / or unbalanced line resistance, or leakage currents.
Sensor input not isolated from the logic outputs and digital inputs.
Thermocouple Type K
V+
V-
+
-
Use the correct compensating
cable (preferably shielded).
RTD
VI
V+
V-
The resistance of the tree
wires must be the same. The
line resistance may cause
errors if it exceeds 22 Ω.
V – Lead compensation
V+ and VI PRT.
Linear mA or mV
V+
V-
R
+
-
-10 to +80 mV
For mA input only connect
the 2.49 Ω . (R) resistor
supplied between the V+ and
V- terminals as shown.
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