| Active field distributor AFD8 for PROFIBUS PA for foundation Fieldbus H1, 8 short circuit-proof spur lines with bounce protection logic Automatic bus termination for line and ring topology for extended temperature range Degree of protection IP66 |
| General information |
| Product type designation | Active Field Distributor AFD8 |
| HW functional status | 01 |
| Product function |
| Repeater function | No |
| Supply voltage |
| permissible range, lower limit (DC) | 16 V |
| permissible range, upper limit (DC) | 32 V |
| Reverse polarity protection | Yes; only in conjunction with FDC 157 |
| Overvoltage protection | No |
| Input current |
| Current consumption (in no-load operation), typ. | 34 mA; 64 mA at the end of the cable |
| Current consumption, max. | 514 mA |
| Power loss |
| Power loss, typ. | 544 mW |
| Power loss, max. | 4.1 W |
| Interfaces |
| PROFIBUS PA |
| Transmission rate, max. | 31.25 kbit/s |
| Number of connectable PA field devices | 8 |
| Current output to PA field devices, max. | 480 mA |
| permissible current per spur line | 60 mA |
| Protocols |
| PROFIBUS DP | No |
| PROFIBUS PA | Yes |
| AS-Interface | No |
| FOUNDATION Fieldbus H1 | Yes |
| Interrupts/diagnostics/status information |
| Status indicator | Yes |
| Alarms | No |
| Diagnostics function | Yes |
| Diagnostics indication LED |
| Main line status | Yes |
| Main line failure | Yes |
| Spur line status/fault | Yes |
| automatic bus termination | Yes |
| Potential separation |
| between main line and spur lines | No |
| Degree and class of protection |
| Degree of protection acc. to EN 60529 | |
| IP66 | Yes |
| Standards, approvals, certificates |
| Use in hazardous areas |
| ATEX Zone 1 | No |
| ATEX Zone 21 | No |
| ATEX Zone 2 | Yes |
| ATEX Zone 22 | Yes |
| FM Class I Zone 1 | No |
| FM Class I Zone 2, Division 2 | Yes |
| Ambient conditions |
| Ambient temperature during operation |
| min. | -40 °C |
| max. | 70 °C |
| Ambient temperature during storage/transportation |
| min. | -40 °C |
| max. | 85 °C |
| Relative humidity |
| Operation, max. | 95 % |
| Connection method |
| Main line |
| Number of main lines | 2 |
| Design of terminals | Screw terminal block |
| Type of connection (enclosure cable gland) | M16 |
| Type of cable | Type A |
| Cable diameter, min. | 4 mm |
| Cable diameter, max. | 9 mm |
| Conductor cross-section, min. | 0.2 mm² |
| Conductor cross-section, max. | 2.5 mm² |
| automatic bus termination | Yes |
| permissible main line current | 1 A |
| Spur line |
| Number of spur lines | 8 |
| Design of terminals | Screw terminal block |
| Type of connection (enclosure cable gland) | M16 |
| Type of cable | Type A |
| Cable diameter, min. | 4 mm |
| Cable diameter, max. | 9 mm |
| Conductor cross-section, min. | 0.2 mm² |
| Conductor cross-section, max. | 2.5 mm² |
| total current output to field devices, max. | 480 mA |
| Number of connectable field devices | 8 |
| Current limitation per field device, max. | 60 mA |
| Short-circuit current (test current); max. | 6 mA |
| intrinsically safe according to FISCO model | No |
| Debounce logic | Yes |
| Dimensions |
| Width | 360 mm |
| Height | 120 mm; without screw glands |
| Depth | 83 mm |
| Weights |
| Weight, approx. | 3 000 g |
| last modified: | 03/13/2019 |
