1. Introduzione
The FNIRSI SG-003A is a versatile signal generator designed for industrial and scientific applications, offering precise simulation and measurement of voltage and current signals. This device integrates multiple functions including active and passive current output, voltage output, PWM pulse output, and signal input measurement. Its compact design, high-definition color display, and long-lasting battery make it an essential tool for calibration, testing, and maintenance tasks.
2. Informazioni sulla sicurezza
Si prega di leggere attentamente tutte le istruzioni di sicurezza prima di utilizzare il dispositivo. Il mancato rispetto di queste istruzioni può causare lesioni o danni al dispositivo.
- Non utilizzare il dispositivo in ambienti bagnati o damp condizioni.
- Garantire una ventilazione adeguata per evitare il surriscaldamento.
- Use only the specified power adapter (5V Type-C) for charging.
- Evitare di applicare voltages or currents exceeding the device's maximum ratings.
- Non tentare di smontare o modificare il dispositivo. Per qualsiasi intervento di manutenzione, rivolgersi a personale qualificato.
- Tenere il dispositivo lontano da forti campi elettromagnetici.
3. Prodotto finitoview
The FNIRSI SG-003A Signal Generator is equipped with a 2.4-inch TFT color LCD display and intuitive controls for easy operation. It supports a wide range of signal generation and measurement capabilities.
3.1 Caratteristiche principali
- Uscita del segnale: Active current (0-24mA), Passive current (0-24mA), Voltage (0-24V), 24V loop output, PWM pulse output (0-9999Hz).
- Ingresso segnale: Current (0-24mA), Voltage (0-30 V).
- Automatic Output: Single rise, single fall, and cycle modes for voltage e corrente.
- Custom Output: User-definable upper and lower output limits.
- Curva in tempo reale: Visualizza voltage and current changes with a 10 frames/second refresh rate.
- Modalità di conversione: Input to output conversion, voltage to active/passive current, current to voltage.
- Display: 2.4-inch 240*320 resolution TFT color LCD.
- Energia: Built-in 3000mHA lithium battery, rechargeable via 5V Type-C interface.
3.2 Disposizione del dispositivo
The following image illustrates the main components and interface of the SG-003A Signal Generator.
Figure 1: FNIRSI SG-003A Signal Generator with test leads connected. The display shows current input and output values, along with various function buttons like IN, OUT, AUTO, ON/OFF, CURVE, and FN.
The device features input and output terminals, a clear LCD screen, and a set of control buttons for navigating menus and adjusting parameters. The top panel includes ports for COM, OUT, IN-24V, and IN+ connections, clearly labeled for signal input and output.
Figure 2: The SG-003A highlighting its multiple signal capabilities: Program output, Analog source, DC voltage/current, and 24V power output.
4. Impostazione
4.1 Ricarica del dispositivo
The SG-003A is powered by a built-in 3000mHA lithium battery. To charge the device:
- Connect a standard 5V Type-C USB charger to the charging port on the device.
- L'indicatore della batteria sul display mostrerà lo stato di carica.
- Allow the device to charge fully before first use for optimal battery life.
4.2 Accensione/Spegnimento
- Per accendere: Premere e tenere premuto il tasto ACCESO/SPENTO pulsante finché il display non si illumina.
- Per spegnere: Premere e tenere premuto il tasto ACCESO/SPENTO pulsante finché il display non si spegne.
4.3 Collegamento dei puntali di prova
Connect the appropriate test leads to the labeled ports on the top of the device:
- COMUNICAZIONE: Collegamento di terra comune.
- FUORI: Signal output terminal.
- IN-24V: Input terminal for negative voltage or current measurement, or 24V loop power.
- IN+: Input terminal for positive voltage o misurazione corrente.
Prima dell'uso, assicurarsi che tutti i collegamenti siano ben saldi.
5. Istruzioni per l'uso
The SG-003A features a user-friendly interface. Use the directional buttons (▲, ▼, ◀, ▶) to navigate menus and adjust values. The FN button typically accesses function menus or secondary operations, while IN E FUORI switch between input and output modes.
5.1 Modalità di uscita del segnale
Premere il tasto FUORI button to enter output mode. Use the directional buttons to select the desired output type (Active Current, Passive Current, Voltage, 24V Loop, PWM).
- Active Current Output (0-24mA):
Select "Active Current" mode. Use the directional buttons to adjust the output current value. The maximum load is 750Ω.
- Passive Current Output (0-24mA):
Select "Passive Current" mode. An external power supply up to 30V is required for this mode. Adjust the output current as needed.
- Voltage Output (0-24V):
Seleziona "Voltage Output" mode. Adjust the desired voltage value. The maximum output current is 30mA.
- 24V Loop Output:
This mode provides a 24V power source for powering 2-wire transmitters or other devices. The drive current is 24mA.
- PWM Pulse Output (0-9999Hz):
Select "PWM Output" mode. You can set both the frequency and the duty cycle of the pulse signal using the directional buttons.
5.2 Signal Input Measurement Modes
Premere il tasto IN button to enter input measurement mode. Connect the signal to be measured to the appropriate input terminals (IN+ and IN-24V/COM).
- Current Input Measurement (0-24mA):
Select "Current Input" mode. The device will display the measured current. Input impedance is 100Ω.
- Voltage Input Measurement (0-30V):
Seleziona "Voltage Input" mode. The device will display the measured voltage.
5.3 Funzioni avanzate
- Automatic Output (AUTO button):
Premere il tasto AUTO button to cycle through automatic output modes: single rise, single fall, and cycle. This automates the change in output voltage or current over a set range.
- Custom Output Limits:
In output mode, use the FN button to access settings for custom output limits. You can set arbitrary upper and lower limits for the output signal.
- Real-time Curve Display (CURVE button):
Premere il tasto CURVA pulsante per view a real-time graph of voltage and current changes. This feature is useful for observing signal stability and transients.
- Input to Output Conversion (CONVRET button):
The device supports various conversion modes, such as voltage to active/passive current, and current to voltage. Utilizzare il CONVRET button to cycle through these conversion types and configure parameters.
6. Manutenzione
- Pulizia: Utilizzare un panno morbido e asciutto per pulire il dispositivo. Non utilizzare detergenti abrasivi o solventi.
- Cura della batteria: Per prolungare la durata della batteria, evitare di scaricarla completamente frequentemente. Caricare il dispositivo regolarmente, soprattutto se si prevede di non utilizzarlo per un periodo prolungato.
- Magazzinaggio: Conservare il dispositivo in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
- Calibrazione: While the device is factory calibrated, periodic professional calibration may be required for applications demanding high precision.
7. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il dispositivo non si accende. | Batteria scarica o pulsante di accensione difettoso. | Charge the device using a 5V Type-C charger. Ensure the ON/OFF button is pressed correctly. |
| Nessun segnale in uscita. | Incorrect mode selected, incorrect wiring, or output value set to zero. | Verify the output mode is active. Check test lead connections. Adjust the output value above zero. |
| Letture imprecise. | Poor connection, external interference, or device requires calibration. | Ensure secure connections. Operate away from strong electromagnetic sources. Consider professional calibration if precision is critical. |
| Il display è scuro o non risponde. | Batteria scarica o problema software. | Charge the device. If the issue persists, try restarting the device. |
8. Specifiche tecniche
The following table details the technical specifications of the FNIRSI SG-003A Signal Generator.
Figure 3: Detailed technical parameters of the SG-003A, including ranges, precision, and resolution for various input and output signals.
| Parametro | Valore |
|---|---|
| Active Current Output | Range: 0-24 mA; Resolution: 0.01 mA; Max Load: 750Ω; Accuracy: ±(0.1%+0.005) |
| Passive Current Output | Range: 0-24 mA; Resolution: 0.01 mA; External Power Supply: Up to 30V; Accuracy: ±(0.1%+0.005) |
| Voltage Uscita | Range: 0-24 V; Resolution: 0.01 V; Max Current: 30 mA; Accuracy: ±(0.1%+0.005) |
| Uscita 24 V | Drive Current: 24 mA; Resolution: 0.01 mA; Accuracy: ±(0.1%+0.005) |
| Current Input Measurement | Range: 0-24 mA; Resolution: 0.01 mA; Input Impedance: 100Ω; Accuracy: ±(0.1%+0.05) |
| Voltage Input Measurement | Range: 0-30 V; Resolution: 0.01 V; Accuracy: ±(0.1%+0.05) |
| Uscita PWM | Frequency: 0-9999 Hz; Duty Cycle: Adjustable |
| Display | 2.4-inch TFT Color LCD, 240*320 resolution |
| Batteria | 3000mHA Lithium Battery, 5V Type-C Charging |
| Consumo energetico | Massimo 0.32 W |
| Dimensioni | Dimensioni: 20 x 10 x 15 cm |
| Peso | 1 kg |
9. Garanzia e supporto
FNIRSI products are designed for reliability and performance. For warranty information and technical support, please refer to the official FNIRSI webo contattare il rivenditore autorizzato. Conservare la ricevuta d'acquisto come prova d'acquisto per eventuali reclami in garanzia.
For software updates, please check the manufacturer's official channels. The product's software update guarantee status is unknown as per available information.
