GESTRA NRR 2-40 - Technical Specifications Overview; NRR 2-40 Detailed Specifications

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NRR 240
Technical Data
Type approval no.
NRR 240: TÜV
.
XX399
Input/Output
Interface for CAN bus to DIN ISO 11898 CANopen.
Feedback potentiometer 1000 Ω.
Output voltage supply for electrodes
Power supply 24 V DC, shortcircuit protected.
Analog output 420 mA, load 500 Ω for indication of actual value (optional).
Analog control output for manipulated variable, 420 mA, max. load 500 Ω (optional).
4 voltfree relay contacts. Max. contact rating with switching voltages of 24 V AC, 115 V AC and 230 V
AC: 4 A resistive, 0.75 A inductive at cos ϕ 0.5.
Max. contact rating with a switching voltage of 24 V DC: 4 A. Contact material: silver, hardgold plated.
Interference suppression
Provide contactor with an external RC combination (100 Ω / 47 nF).
Relay deenergizing delay
Output “MIN”, “MAX” 3s
Indicators and adjustors
1 red LED for switchpoint “MAX”
1 red LED for switchpoint “MIN”
2 green LEDs for “Opening control valve” and “Closing control valve”
One green LED “Power”
1 red LED “Bus malfunction”
1 tenpole code switch for setting node ID and baud rate
4 pushbuttons
Proportional range X
p
1 % to 100 %
Valve position feedback
0 Ω to 1000 Ω (only when used as threeposition stepping controller)
Switching range (dead band X
sh
0 % (factory setting) up to 15 %
Mains voltage
230 V +/– 10 %, 50/60 Hz
115 V +/– 10 %, 50/60 Hz (optional)
Power consumption
10 VA
Protection
Housing: IP 40 to DIN ISO 60529
Terminal strip: IP 20 to DIN ISO 60529
Admissible ambient temperature
0 °C to 55 °C
Body material
Front panel: polycarbonate, grey
Housing: polycarbonate, black
Weight
approx. 0.8 kg