Regin Presigo (PDTX…-C) – Differential pressure transmitter with Modbus communication

Differential pressure transmitters, 24 V, with two universal inputs, two universal outputs and communication via Modbus.

Function Presigo PDTX…-C is a range of differential pressure transmitters equipped with one or two pressure sensors, two universal inputs, two universal outputs and an RS485 port for Modbus communication. It operates as a Modbus slave. This range of pressure transmitters is especially well-suited as distributed I/O modules for air handling unit controllers. They are designed for easy installation.

✓ Uses a sensor technology that offers very high accuracy and excellent long-term stability ✓ Easy installation and setup ✓ Expands the controller by up to four inputs and two outputs ✓ Ambient temperature -25…+50 °C ✓ Can be mounted vertically or horizontally

Technical data
Supply voltage 24 V AC/DC (21…27 V AC/DC)
Protection class IP54
Power consumption < 4 VA
Ambient humidity 0…95 % RH (non-condensing)
Ambient temperature -25…+50 °C
Working range, pressure 0…1250 / 0…2500 / 0…7500 Pa (factory setting) 0…12 / 0…25 / 0…75 mbar 0…127 / 0…254 / 0…764 mmH2O 0…5 / 0…10 / 0…30 inH2O
Working range, flow 0…65000 m3/h (factory setting) 0…31000 l/s 0…65000 Ft3/min
Cable glands 2 x M20 (cable diameter 5…12 mm) 1 x M16 (cable diameter 3.5…10 mm)
Max overvoltage ±18 V, on any terminal (not G and G0)
Electronic damping 0 s (0…120 s)
Accessories, included Two pressure outlets (straight) and 2 m plastic tube. Art. no.: ANS-20
Dimensions, external (WxHxD) 167 x (~130) x 46 mm

Pressure data
Media Air, non-combustible and non-aggressive gases
Annual deviation ±2 Pa (1250 Pa) ±4 Pa (2500 Pa) ±20 Pa (7500 Pa)
K-factor 5 (5…700)

Universal Input,UI1 and UI2
Universal inputs (UI) 2
Configuration AI (AI / DI), see specifications below

Configured as AI:
Analogue inputs (AI) 0…10 V (0…10 V / PT1000 / Ni1000-01) Accuracy ± 1 % (0…10 V) ± 0.5 K (PT1000/Ni1000-01)
Measuring range, temperature -40…+60 °C

Configured as DI:
Digital input (DI) Potential-free contacts on / off (on = closed)
Output current 0.5 mA (max 2.5 V)

Universal Output, UO1 and UO2
Universal outputs (UO) 2
Configuration AO (AO / DO), see specifications below

Configured as AO:
Analogue outputs (AO) 0…10 V Load impedance, 0…10 V Min. 10 kΩ
Accuracy ± 1 %

Configured as DO:
Configuration Mosfet outputs, 24 V AC or DC, 2 A continuous
Power output Max. 2A (total UO1 + UO2)

Communication port data
Communication ports 1
Port type RS485
Supported protocols Modbus
Port isolation Non-isolated
Cable length Max.100 m

Manual: pdtx…-c_vl40005_en

Datasheet: pdtx…-c_in20029_en_de_fr_sv_it