Flowserve NRS1-41 - Manual (Page 8)

8
Technical Data
Type approval no.
TÜV · WB · 99-403
EG BAF-MUC 0202 103881 002
Input/Output
Interface for CAN bus to DIN ISO 11898 CANopen protocol
Output voltage supply for electrode
18 – 36, short-circuit protected
Output for control circuit
Power supply of level electrode: 24 V DC, short-circuit protected
Two volt-free relay contacts, locally connected in series.
Max. contact rating for switchting voltages 24 V AC/DC, 115 V AC and 230 V AC:
4 A resistive/inductive. Contact material: hard-gold plated
Interference suppression
Provide contactor with external RC combination (100
Ω
/ 47 nF)
Signal output
Photo-MOS output, instantaneous with high level, timed malfunction signal, max.
contact rating for switching voltages 24 V AC, 115 V AC and 230 V AC/DC:
100 mA resistive
Relay de-energizing delay
Output “High-level alarm”, set to 3 sec. (standard);
optional (for e. g. marine applications): 15 sec. or 25 sec.
Indicators and adjustors
4 pushbuttons “Parameterisation/TEST”
1 red LED for “High-level alarm electrode 1”
3 red LEDs “Multifunction”
1 red LED “Bus status”
1 green LED “Power”
1 ten-pole code switch, 7 poles for setting node ID, 3 poles for setting baud rate
1 two-pole code switch, without function. Do not change factory setting!
Internal self-checking routine
Every 3 seconds
Periodic testing of output relay contacts
Every 6 hours
Mains voltage
230 V +/– 10 %, 50/60 Hz, 115 V +/– 10 %, 50/60 Hz (optional)
Power consumption
10 VA
Sensitivity
≥
0.5
µ
S/cm at 25 °C
Protection
Enclosure:
IP 40 to DIN EN 60529
Terminal strip: IP 2o to DIN EN 60529
Admissible ambient temperature
0 °C to 55 °C
Enclosure material
Front panel:
polycarbonate, grey
Enclosure: polycarbonate, black
Weight
Approx. 0.8 kg
Explanatory Notes
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