Flowserve NRS 1-42 User Manual
Page 9

9
Technical data
Type approval n°
TÜV · WR 98-399
Input / Output
Interface for CAN bus to DIN ISO 11898 CANopen
Output – voltage supply for electrode
Power supply 24 V DC, short-circuit protected
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
” 3 s
Indicators and adjustors
4 pushbuttons for parameterisation/"TEST"
1 red LED for switchpoint “
HIGH
LEVEL
” (MAX)
1 red LED for switchpoint “
LOW
LEVEL
” (MIN)
2 green LEDs for switchpoints “pump ON” and “pump OFF”
1 green LED “
POWER
”
1 red LED “
BUS
FAULT
”
1 ten-pole code switch, 7 poles for node ID and 3 poles for baud rate settings
Sensitivity
Range 1:
≥
10 µS/cm
Range 2:
≥
0.5 µS/cm
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