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ESTP - Rev. 1

EvominiSerTP-RTD

Programmable compact temperature transmitter with Modbus RTU digital output (RS485)

Compact temperature transmitter with integrated probe, M12 overmoulded connector (IP67) and 1/8” process connection; it is particulary suited for measurement in fluids up to 110°C

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Technical Specifications

Electrical technical data
Power supply
9 ÷32 Vdc (polarity protected)
Electronic board input
RTD Pt100 / Pt1000 (α= 0,00385 / α= 0,003916) 2, 3 o 4 wire connection
Sensor exciting current
~100 uA
Sensor wire maximum resistance
2 wire connection: 40 ohm
3 or 4 wire connection: 20 ohm/wire
Accuracy (*)
(*) @25°C
Converter: ≤ ±0.2°C of the range (-200 ÷ 850)°C
Temperature influence (*)
(*) deviation from 20°C
< ±0.25°C/25°C of the range (-200 ÷ 850)°C
Electronic board operating temperature
-40 ÷80°C
Resolution
0,1 °C
Linear error
Negligible
Sensor error compensation
(±5°C) over two points
Current consumption
<4mA with RS485 (<10mA at power on for approx. 8mS)
Communication protocol
Modbus RTU (max. baud rate 38.400)
Serial interface
RS-485 (not insulated)
Input/Output insulation
None
Maximum connection distance
1000 meters, this distance depends on the power supply voltage and the type of cable used to connect the various devices
Maximum devices on network
Maximum 256 nodes (it is recommended to use isolators / repeaters along the serial line)
Indicator LED
Blue LED, power supply and device operations indicator
Red LED (ERR), sensor error indicator
White LEDs (TX and RX), serial transmission and reception indicators
International protection marking (*)
(*) According to IEC 60529
IP65/67
Configuration
By using the EVOPLATFORMSET configuration kit (a PC with Windows OS is required).
Main device design parameters
Maximum and minimum temperature peak measured
Temperature offset for measurement correction
Serial communication and power-on watch-dog
Temperature tenths °C
RTD sensor range
-50 ÷110°C
Connector
1 input connector M12 x 4 male according to IEC 61076-2-101 STANDARDS (power supply / serial interface)
Material body
Thermoplastic
Stem length L
13 mm
24 mm
Sheath diameter d
Ø 3 mm
Weight
20g (L=13mm)
21g (L=24mm)
Process connection (*)
(*) Thread STANDARDS (CYL. GAS in accordance with UNI-ISO 228) (CON. GAS in accordance with UNI-ISO 7-1) (NPT in accordance with ANSI B 1.20.1)
1/8" GAS CIL. sec. UNI-ISO 228
1/8" NPT
Option
"T" distributor Female / Male / Female M12 x 5 poles
Extension cables with M12 overmoulded female and male connectors
Wall mounting bracket
EVOPLATFORMSET configuration kit