SMART Temperature Transmitter
PTT74-Ex Series User Manual
Sep.2020
20
www.faraboard .com
FAHM Co
.
Industrial Automation
Doc. PTT74-ExRev99/07M
TH-N
[Thermocouple Type-N] (Range Limit: -200...1350°C)
TH-R
[Thermocouple Type-R] (Range Limit: -50...1768°C)
TH-S
[Thermocouple Type-S] (Range Limit: -50...1768°C)
TH-T
[Thermocouple Type-T] (Range Limit: -200...400°C)
TH-U
[Thermocouple Type-U] (Range Limit: -200...600°C)
NTC-B
[NTC Thermistor Beta Equation] (Range Limit: -50...150°C)
NTC-SH
[NTC Thermistors Steinhart and Hart Equation] (Range Limit: -50...150°C)
The available RUI Types are as follows:
RES
[Resistance]
VOL
[Voltage]
This variable is visible if sensor type was selected as “Linear Low/High Range” or “Free
Style”. In this situation user should identify the type of input signal. In other states the
device will select the RUI type automatically.
The available Wire No are as follows:
2-L
[Two Lead]
3-L
[Three Lead]
4-L
[Four Lead]
This variable is visible if RUI type was selected as resistance. In this situation user should
identify the number of resistor leads. In other states the device will select the Wire No
automatically as 2-Wire.
The available sensor calibration types are as follows:
SINGLE
[One sensor is connected to input terminals]
DIFF
[The difference of two input sensors will be used as actual temperature]
AVG
[The average of two input sensors will be used as actual temperature]
This device is able to read two thermocouple or RTD as input sensor element. In this
situation user should determine the relation between them using sensor calibration menu.
The available sensor factors are as follows:
1
[Input value= (Sensor output voltage or resistance)/1.0]
