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NOVATEK-ELECTRO
RN-111M
2.3 PARAMETERS OF THE INTEGRATED RELAY OUTPUT TERMINALS
The parameters of the integrated relay output terminals are shown in Table 3.
Table 3
Maximal current
at ~ 250V AC
Maximal power when
contacts are closed
Maximal
commutation power
Maximal allowed
AC/DC Voltage
Maximal current
at 30V DC
3. START-UP PROCEDURE AND CONNECTION
3.1.Using toggle switches on the front panel set necessary mode of operation ;
3.2. In case of using RN-111M as Minimal/Maximal protection relay, Minimal protection relay or time relay
connect wires according Figure 2,vers.a.
If RN-111M is being used as a maximal voltage protection relay power load should be connected
according Figure 2,vers.b.
If power load is less than 16A (3,5 kW) then it could be commutated directly by the output contacts of the
RN-111M; if the power load is more than 16A –then it should be commutated using contactor of appropriate
rated parameters and the RN-111M should operate with the magnetic coil of the contactor.
3.3. Connect RN-111M (contacts 5, 8) to the power circuit.
3.4. By spinning the knobs on the front panel set the required Minimal and Maximal voltage tripping
thresholds (Umin and Umax) and set necessary turn ON time delay (Ton). Please pay attention that the Ton
time should be adjusted taking into consideration the technical documentation and requirements of the
protected power load –for example –air-conditioners, refrigerators and other compressor containing
equipment usually need 3-4 minutes pause before turn ON again after they were disconnected.
3.5. Give the power supply to RN-111M and by spinning the adjustment knobs set precisely the required
values for the Umin, Umax and Ton. When spinning the knobs on the LED digital display it is shown the exact
value of the adjusted parameter.
4. GENERAL DESCRIPTION AND OPERATION
4.1. RN-111M has several functional states:
–Normal operation mode: Power load is ON, Green LED indicator –ON. Digital LED display shows
measured voltage value;
–Alarm mode: Power load is OFF, Green LED indicator –OFF. Digital LED display shows blinking value
of the measured voltage;
–Indication of the remaining time to turn ON the power load (Ton): Power load is OFF, Green LED
indicator –OFF. Digital LED display shows the remaining time to turn ON the power load (in seconds) and dot
is being displayed in the lower digit. After the Ton time elapse RN-111M will return to Normal operation
mode if voltage parameters on the input terminals are within the permitted range adjusted by the user.
4.2. MINIMAL/MAXIMAL VOLTAGE PROTECTION RELAY
Power load (contactor coil) should be connected to the output terminals 2(3), 4 (Figure2).
If RN-111M was initially deenergized or the power load was OFF due to the wrong voltage parameters –then
after correct voltage appear on the input terminals and after the time delay Ton contacts 1, 2(3) will open and
contacts 2(3), 4 will close.
If input voltage get lower than minimal voltage threshold for more than 12 seconds RN-111M becomes to
Alarm mode –contacts 1, 2(3) close and contacts 2(3), 4 open.
If input voltage gets 60V lower than the minimal voltage tripping threshold –RN-111M comes to Alarm mode in
0,2 sec. After the recovery of the voltage parameters to the value of hysteresis (4-5V) –cycle is repeated relays.
If input voltage gets higher than the maximal tripping voltage threshold for more than 1 sec. or the voltage is
30V higher than the maximal tripping threshold during a period exceeding –then the RN-111M comes to Alarm
mode –contacts 2(3), 4 open and contacts 1, 2(3) close. When voltage level decrease lower than the maximal
tripping voltage threshold to the hysteresis value (4-5V) –RN-111M turns ON the power load with the user adjusted
time delay Ton.
4.3. MINIMAL VOLTAGE PROTECTION RELAY
Power load should be connected to the output terminals 2(3), 4 (Figure2).
If RN-111M was initially deenergized or the power load was OFF due to the wrong voltage parameters –then
after correct voltage appear on the input terminals and after the time delay Ton contacts 1, 2(3) will open and
contacts 2(3), 4 will close.
If input voltage get lower than minimal voltage threshold for more than 12 seconds RN-111M becomes to