National Instruments
National Instruments GPIB-120A
Bus Expander / Isolator
GPIB (IEEE 488) Interfaccia
Isolatore di bus GPIB per eliminare i loop di massa Funzione principale
2 (una lato controller, una lato strumento) Numero di porte GPIB
Sì, isolamento ottico tra i due lati del bus Isolamento galvanico
Fino a 1500 V DC Tensione di isolamento
| Attributo | Valore |
|---|---|
| Interfaccia | GPIB (IEEE 488) |
| Funzione principale | Isolatore di bus GPIB per eliminare i loop di massa |
| Numero di porte GPIB | 2 (una lato controller, una lato strumento) |
| Isolamento galvanico | Sì, isolamento ottico tra i due lati del bus |
| Tensione di isolamento | Fino a 1500 V DC |
| Velocità di trasferimento dati | Fino a 1 MB/s |
| Compatibilità standard | IEEE 488.1 e IEEE 488.2 |
| Alimentazione | Alimentato tramite bus GPIB (non richiede alimentazione esterna) |
| Connettori | Connettori GPIB standard a 24 pin (tipo Amphenol) |
| Temperatura operativa | 0°C – 55°C |
National Instruments GPIB-120A Options:
- GPIB-120A - Single Rack-Mount Kit - Single Rack-Mount Kit for GPIB-120A
- GPIB-120A - Dual Rack-Mount Kit - Dual Rack-Mount Kit for GPIB-120A
- GPIB-120A - Type X1 (1 m) - Type X1 single-shielded GPIB cable, 1 m
- GPIB-120A - Type X1 (2 m) - Type X1 single-shielded GPIB cable, 2 m
- GPIB-120A - Type X1 (4 m) - Type X1 single-shielded GPIB cable, 4 m
- GPIB-120A - Type X2 (1 m) - Type X2 double-shielded GPIB cable, 1 m
- GPIB-120A - Type X2 (2 m) - Type X2 double-shielded GPIB cable, 2 m
- GPIB-120A - Type X2 (4 m) - Type X2 double-shielded GPIB cable, 4 m
| Model | GPIB-120A |
|---|
The National Instruments GPIB-120A is a GPIB expander / isolator. The IEEE 488.1 standard prescribes a maximum of 15 electrical device interface loads in a GPI system. The National Instruments GPIB-120A increases the maximum number of GPIB system devices from 15 to 28. The GPIB-120A is also useful in test and measurement systems because it provides an electrically isolated interface to one or more devices. The GPIB-120A is software transparent; you do not need to rewrite your application software.
Features of the NI GPIB-120A include:
- Expands the number of GPIB devices to 28
- Bidirectional expansion - Controllers, Talkers, and Listeners can exist on either side of the expansion
- 400 Vrms electrical isolation between GPIB systems for 1 minute
- Software transpa €“ no software modifications required
- Signal buffering extends the maximum GPIB cable limit to 40 m (device load every 2 m of bus cable)
- Built-in 120 or 240 VAC power supply
- Meets FCC Class A electromagnetic noise emission requirements
- UL listed
