GESTRA NRS 1-41, Original Installation Instructions

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8
NRS 141
Technical Data
Type approval no.
TÜV · SWB/SHWS · 12403
Type examination certificate
Input/Output
Interface for CAN bus to ISO 11898 CANopen protocol
Output voltage supply for electrode
18 – 36, shortcircuit protected
Output for control circuit
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 (AgNi 0.15)
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. (default), or 15 sec., 25 sec.
internally connected for relay contact test
Indicators and adjustors
4 pushbuttons “Parameterisation/TEST”
1 red LED for “Highlevel alarm electrode”
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.
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