Main models of ASi gateway:
Bihl Wiedemann BWU3760
Bihl Wiedemann BWU2919
Bihl Wiedemann BWU2729
Bihl Wiedemann BWU3363
| Model | BWU3760 | BWU2919 | BWU2729 | BWU3363 |
| Category | 24V ASi Gateway | 24V ASi Gateway | 30V ASi Gateway | 30V ASi Gateway |
| Protection rating | IP20 | IP20 | IP20 | IP20 |
| upper layer communication protocol | OPC UA, PROFINET, REST API | PROFINET | PROFINET | PROFINET |
| Number of ASi circuits, number of ASi master stations | 1 ASi loop, 1 ASi-3 master | 1 ASi loop, 1 ASi-3 master | 1 ASi loop, 1 ASi-3 master | 2 ASi loop, 2 ASi-3 master |
| Integrated decoupling element for current measurement via gateway | Yes, maximum 4A per loop | Yes, maximum 4A per loop | No, maximum 8A per loop | Yes, maximum 4A per loop |
| Diagnostic/Configuration Interface | Ethernet field bus | Ethernet field bus | Ethernet field bus | Ethernet field bus |
| Duplicate Address Diagnosis | Yes | Yes | Yes | Yes |
| ASi Monitor | Yes | Yes | Yes | Yes |
| C language programming | No | Optional | Optional | Optional |
