National Instruments
National Instruments GPIB-120A
Bus Expander / Isolator
GPIB (IEEE 488) Interface
Isolateur de bus GPIB pour éliminer les boucles de masse Fonction principale
2 (un côté instrument, un côté contrôleur) Nombre de ports GPIB
Oui, isolation complète entre les deux côtés du bus Isolation galvanique
Jusqu'à 1500 V DC Tension d'isolation
| Attribut | Valeur |
|---|---|
| Interface | GPIB (IEEE 488) |
| Fonction principale | Isolateur de bus GPIB pour éliminer les boucles de masse |
| Nombre de ports GPIB | 2 (un côté instrument, un côté contrôleur) |
| Isolation galvanique | Oui, isolation complète entre les deux côtés du bus |
| Tension d'isolation | Jusqu'à 1500 V DC |
| Vitesse de transfert maximale | 1 Mo/s |
| Alimentation électrique | Alimentation externe requise (via adaptateur secteur inclus) |
| Compatibilité | Compatible avec tous les contrôleurs et instruments GPIB standard IEEE 488.1/488.2 |
| Connecteurs | Connecteurs GPIB standard 24 broches (type Amphenol) |
| Température de fonctionnement | 0 °C à 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
