The functional and compact frequency inverters SPLC-NLP1000-0R7G2 are designed for connection to a single-phase network 220 V and control three-phase asynchronous motors with power of up to 0.75 kW (depending on the selected inverter model). This frequency inverter can control pumps, conveyor belts, and various machines due to fine-tuning the start and stop of the drive, adapting the V/f output characteristic for different types of loads, PID regulation, and programmable operation according to multi-step PLC instructions, and more.
The scalar frequency inverter SPLC-NLP1000-0R7G2 uses the V/f scalar control mode. This mode is relatively simple to set up: precise input of all machine parameters is not necessary.
The scalar frequency inverter model SPLC-NLP1000-0R7G2 has a protection class of IP20, so it is recommended to install it on a DIN rail in specialized cabinets for protection from dust and moisture. If necessary, a remote control panel can be connected to the inverter (not included in the price, supplied on order).
Table No.1. Main technical characteristics of the scalar frequency inverter SPLC-NLP1000-0R7G2
| Input voltage |
1ph 220 V
|
| Output voltage |
3ph 220 V
|
| Output power |
0.75 kW
|
| Output frequency range |
from 0.1 to 400.0 Hz
|
| Nominal output current |
4.5 A
|
| Protection class EN 60529 |
IP20 |
What is included in the package?
Scalar frequency inverter series SPLC-NLP1000-0R7G2
Connection diagram of the frequency inverter SPLC-NLP1000-0R7G2
Power circuit of frequency inverters SPLC-NLP1000-0R7G2:
- Powered from a single-phase network 1ph 220 V AC 50/60 Hz;
- Linear output voltage ranges from 0 to 220 V, and frequency — in the range from 0.1 to 400 Hz;
- Allowable overload for 60 s — up to 150% of the nominal current value (in constant load mode)
Control circuit SPLC-NLP1000-0R7G2:
- 4DI — four digital inputs, whose function can be defined independently through menu selection. For example, a digital input can be used for start command, forward run, reverse, stop, frequency skip JOG, switching between frequency sources X and Y, switching between 16 preset speed frequencies, switching between 4 acceleration and deceleration modes, remote increase/decrease of frequency, timer start, PID regulation, built-in controller program, etc.
- 1AI — one input, which can be switched using jumper J2 and accept the appropriate analog signal by current 4…20 mA or voltage 0…10 V to set the frequency;
- 1DO — one multifunctional digital output (relay), which can be used for output signal ON-OFF about operation status, reaching frequency or timer counter, step or cycle completion of the PLC program;
- RS485 — RS485 serial port connector for integration into the industrial set of frequency converters NL, controllers, industrial PCs, etc.
How to correctly choose the model of scalar single-phase frequency inverter series SPLC-NLP1000 220V?
Since the output voltage of SPLC-NLP1000-0R7G2 is 220 V, three-phase electric motors 220/380 V need to be connected using the "delta" winding connection diagram. Parameters corresponding to these connections are indicated on the motor's nameplate. The model of the frequency inverter should be chosen so that the tabular values of nominal current and power are greater than the motor parameters.
Table No.2. Models of scalar frequency inverters series SPLC-NLP1000 G2
| Model |
Nominal output current, A |
Overload capacity, A, for 60 s |
Nominal output power, kW |
| SPLC-NL1000-0R4G-2 |
2.4 |
3.6 |
0.4 |
| SPLC-NL1000-0R7G-2 |
4.5 |
6.75 |
0.75 |
| SPLC-NL1000-1R5G-2 |
7 |
10.5 |
1.5 |
| SPLC-NL1000-2R2G-2 |
10 |
15 |
2.2 |
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