DPT-Ctrl-MOD enables to control constant pressure or flow of fans, VAV systems or dampers. In addition, the controller is fully programmable via Modbus.
The DPT-Ctrl-MOD includes an Input terminal that enables the reading of multiple signals such as temperature or control relays over Modbus. The Input terminal has one input channel designed to accept 0−10 V, ntc10k, Pt1000, Ni1000/(-LG), and BIN IN (potential free contact) signals.
Starting from November 2020, the device has a binary input to select between two user-adjustable setpoints. The desired setpoint can be selected, for example, with weekly clock, turn switch or key card switch.
|Communication:||RS-485 Modbus (RTU)|
|Accuracy (from applied pressure):||Pressure < 125 Pa = 1 % + ±2 Pa
Pressure > 125 Pa = 1 % + ±1 Pa
|Measuring units:||Pressure: Pa, kPa, mbar, inchWC, mmWC, psi
Flow: m3/s, m3/hr, cfm, l/s, m/s, ft/min
|Measuring element||MEMS, no flow-through|
|Control signal:||0…10 VDC|
|PID-parameters:||Selectable via menu and Modbus|
|Zero point calibration:||via Modbus or by pushbutton|
|Supply voltage:||24 VDC ±10 % / 24 VAC ±10 %|
|Power consumption:||< 1.0 W|
|Output signal:||via Modbus|
|Operating temperature:||-20…+50 °C|