Flowserve NRS 1-40 - Manual (Page 8)

8
Technical Data
Type approval no.
TÜV · WB · 99-403
EG BAF-MUC 0202 103881 002
Input
Interface for CAN bus to DIN ISO 11898 CANopen protocol
Output voltage supply for electrodes
18 – 36 V, short-circuit protected
Output for protection circuit
Two volt-free relay contacts, locally connected in series.
Max. contact rating for switching voltages 24 V AC/DC, 115 V AC and 230 V AC:
4 A resistive/inductive. Contact material: silver, hard-gold plated
Interference suppression
Provide contactor with external RC combination (100
Ω
/ 47 nF)
Signal output
Photo-MOS output, instantaneous with low 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 “Low-level alarm”, set to 3 sec. (standard), optional for e. g. marine applications
15 sec. or 25 sec., internally linked for relay contact test
Indicators and adjustors
4 pushbuttons “Parameterisation/TEST”
1 red LED “Low-level alarm electrode 1”
1 red LED “Low-level alarm electrode 2”
2 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 for limiter/limiting system
Internal self-checking routine
Every 3 seconds
Periodic testing of output relay contacts
Every 6 hours
Supply voltage
230 V +/– 10 %, 50/60 Hz
115 V +/– 10 %, 50/60 Hz (optional)
Power consumption
10 VA
Sensitivity
≥
0.5 µS/cm at 25 °C
Protection
Enclosure:
IP 40 to DIN EN 60529
Terminal strip: IP 20 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
– continued –