1. Introducció
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. Informació de seguretat
Si us plau, llegiu i comprengui totes les instruccions de seguretat abans de fer servir el dispositiu. Si no segueix aquestes instruccions, pot patir lesions o danys al dispositiu.
- No utilitzeu el dispositiu en mullat o damp condicions.
- Assegureu-vos una ventilació adequada per evitar el sobreescalfament.
- Use only the specified power adapter (5V Type-C) for charging.
- Eviteu aplicar el voltages or currents exceeding the device's maximum ratings.
- No intenteu desmuntar ni modificar el dispositiu. Encarregueu tot el manteniment a personal qualificat.
- Mantingueu el dispositiu allunyat de camps electromagnètics forts.
3. Producte acabatview
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 Característiques clau
- Sortida del senyal: Active current (0-24mA), Passive current (0-24mA), Voltage (0-24V), 24V loop output, PWM pulse output (0-9999Hz).
- Entrada de senyal: Current (0-24mA), Voltagi (0-30V).
- Automatic Output: Single rise, single fall, and cycle modes for voltage i corrent.
- Custom Output: User-definable upper and lower output limits.
- Real-time Curve: Mostra voltage and current changes with a 10 frames/second refresh rate.
- Modes de conversió: Input to output conversion, voltage to active/passive current, current to voltage.
- Visualització: 2.4-inch 240*320 resolution TFT color LCD.
- Potència: Built-in 3000mHA lithium battery, rechargeable via 5V Type-C interface.
3.2 Disseny del dispositiu
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. Configuració
4.1 Càrrega del dispositiu
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.
- The battery indicator on the display will show the charging status.
- Allow the device to charge fully before first use for optimal battery life.
4.2 Engegada/apagada
- Per encendre: Manteniu premut el botó ON/OFF botó fins que la pantalla s'il·lumini.
- Per apagar: Manteniu premut el botó ON/OFF botó fins que la pantalla s'apagui.
4.3 Connexió dels cables de prova
Connect the appropriate test leads to the labeled ports on the top of the device:
- COM: Connexió a terra comuna.
- SORTIDA: Signal output terminal.
- IN-24V: Input terminal for negative voltage or current measurement, or 24V loop power.
- IN+: Input terminal for positive voltage o mesura de corrent.
Assegureu-vos que totes les connexions estiguin segures abans de fer servir.
5. Instruccions de funcionament
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 i FORA switch between input and output modes.
5.1 Signal Output Modes
Premeu el botó FORA 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):
Seleccioneu "Volumtage 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
Premeu el botó 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):
Seleccioneu "Volumtage Input" mode. The device will display the measured voltage.
5.3 Funcions avançades
- Automatic Output (AUTO button):
Premeu el botó 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):
Premeu el botó CORBA botó 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. Utilitzar el CONVRET button to cycle through these conversion types and configure parameters.
6. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar el dispositiu. No utilitzeu productes de neteja abrasius ni dissolvents.
- Cura de la bateria: Per allargar la durada de la bateria, eviteu descarregar-la completament amb freqüència. Carregueu el dispositiu regularment, sobretot si l'emmagatzemareu durant un període prolongat.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Calibració: While the device is factory calibrated, periodic professional calibration may be required for applications demanding high precision.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Low battery or faulty power button. | Charge the device using a 5V Type-C charger. Ensure the ON/OFF button is pressed correctly. |
| No signal output. | 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. |
| Lectures inexactes. | Poor connection, external interference, or device requires calibration. | Ensure secure connections. Operate away from strong electromagnetic sources. Consider professional calibration if precision is critical. |
| La pantalla és tènue o no respon. | Bateria baixa o problema de programari. | Charge the device. If the issue persists, try restarting the device. |
8. Especificacions tècniques
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.
| Paràmetre | Valor |
|---|---|
| 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 Sortida | Range: 0-24 V; Resolution: 0.01 V; Max Current: 30 mA; Accuracy: ±(0.1%+0.005) |
| Sortida de 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) |
| Sortida PWM | Frequency: 0-9999 Hz; Duty Cycle: Adjustable |
| Mostra | 2.4-inch TFT Color LCD, 240*320 resolution |
| Bateria | 3000mHA Lithium Battery, 5V Type-C Charging |
| Consum d'energia | Màxim 0.32 W |
| Dimensions | 20 x 10 x 15 cm |
| Pes | 1 kg |
9. Garantia i Suport
FNIRSI products are designed for reliability and performance. For warranty information and technical support, please refer to the official FNIRSI weblloc web o poseu-vos en contacte amb el vostre distribuïdor autoritzat. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
For software updates, please check the manufacturer's official channels. The product's software update guarantee status is unknown as per available information.