Proper sensor type is also a very important factor to obtain precise
measurements. The sensor must have the correct temperature range
to meet the process requirements. In special processes the sensor
might need to have different requirements such as leak-proof, anti-
vibration, antiseptic, etc.
Standard sensor limits of error are
+/-
4 degrees F (
+/-
2 degrees C )
or 0.75% of sensed temperature (half that for special) plus drift
caused by improper protection or an over-temperature occurrence.
This error is far greater than controller error and cannot be corrected
on the sensor except by proper selection and replacement.
Proper sensor type is also a very important factor to obtain precise
measurements. The sensor must have the correct temperature range
to meet the process requirements. In special processes the sensor
might need to have different requirements such as leak-proof, anti-
vibration, antiseptic, etc.
Standard sensor limits of error are
4 degrees F (
2 degrees C )
or 0.75% of sensed temperature (half that for special) plus drift
caused by improper protection or an over-temperature occurrence.
This error is far greater than controller error and cannot be corrected
on the sensor except by proper selection and replacement.
+/-
+/-
2-6 Sensor Input Wiring
2-6 Sensor Input Wiring
8
9
10
PTA
PTA
TC+, V+
PTB, mA+
TC+, V+
PTB, mA+
TC-, V-
PTB, mA-
TC-, V-
PTB, mA-
BB
BB
AA
RTD
RTD
_
_
+
+
V
V
_
+
TC
TC
VV mA
mA RTD
RTD
Figure 2.5 Sensor Input Wiring
Figure 2.5 Sensor Input Wiring
2-7 Control Output Wiring
2-7 Control Output Wiring
5
6
LOAD
LOAD
120V/240VAC
Mains Supply
120V/240VAC
Mains Supply
Figure 2.6
Output 1 Relay to Drive Load
Figure 2.6
Output 1 Relay to Drive Load
24
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Summary of Contents for TC 24
Page 1: ...R R www comoso com...
Page 30: ...SP1 SP1 O1HY ON OFF OUT1 Action PV Dead band O1HY Time Time 30 www comoso com...
Page 31: ...Cool only control Cool only control 31 www comoso com...
Page 36: ...3 6 Ramp 3 6 Ramp 36 www comoso com...
Page 43: ...43 www comoso com...
Page 44: ...44 www comoso com...
Page 46: ...Chapter 5 Specifications Chapter 5 Specifications 46 www comoso com...
Page 47: ...47 www comoso com...
Page 48: ...Resolution Resolution 48 www comoso com...
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