Flowserve NRR 2-40 - Manual (Page 9)

9
Technical Data
Type approval no.
NRR 2-40: TÜV
. 98-399
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.
Analogue output 4 – 20 mA, load 500
Ω
for display of actual value (option).
Analogue control output for manipulated variable 4 – 20 mA, max. load 500
Ω
(option).
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
1 red LED for switchpoint “
MAX
”
1 red LED for switchpoint “
MIN
”
2 green LEDs for “
CONTROL VALVE OPENING
” and “
CONTROL VALVE CLOSING
”
1 green LED “
OPERATION
”
1 red LED “
BUS MALFUNCTION
”
1 ten-pole code selector switch for setting node ID and baud rate
4 pushbuttons
Proportional band 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 %
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
Case material
Front panel: polycarbonate, grey
Enclosure: polycarbonate, black
Weight
Approx. 0.8 kg