Flowserve NRS 2-40 - Manual (Page 9)

9
Technical data
Type approval no.
NRS 2-40: TÜV · WR · 98-399
Input / Output
Interface for CAN bus to DIN ISO 11898 using CANopen
Output – voltage supply for electrodes
Power supply 24 V DC, short-circuit protected
Analogue output 4 – 20 mA, load 500
Ω
for display of actual value (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
/ 47nF)
Relay de-energizing delay
Output “MIN”, “MAX” 3 s
Indicators and adjustors
1 red LED for switchpoint “High level” (MAX)
1 red LED for switchpoint “Low level” (MIN)
2 green LEDs for switchpoints “PUMP ON” and “PUM OFF”
1 green LED “Power”
1 red LED “Bus fault”
1 ten-pole code switch for node ID and baud rate settings
4 pushbuttons
Supply voltage
230 V ± 10 %, 50/60 Hz
115 V ± 10 %, 50/60 Hz (option)
Power consumption
10 VA
Protection
Case:
IP 40 to DIN ISO 60529
Terminal strip: IP 20 to DIN ISO 60529
Admissible ambient temperature
0 °C to 55 °C
Enclosure material
Front panel: polycarbonate, grey
Case:
polycarbonate, black
Weight
Approx. 0.8 kg