750-344
| Communications | INTERBUS |
| Number of fieldbus nodes on master (max.) | 256 |
| Number of I/O points | 4,096 |
| Transmission rate | 500 kBd |
| Bus segment length (max.) | 400 m |
| Transmission medium | Certified Cu cable |
| Transmission time | 1.43 ms (10 couplers; each 32 digital I/O) |
| Number of modules per node (max.) | 64 |
| Number of modules without a bus extension (max.) | 64 |
| Input and output process image (fieldbus) max. | 20 bytes/20 bytes |
| Supply voltage (system) | 24 VDC (-15 … +20 %); via pluggable connector |
| Current consumption (5 V system supply) | 350mA |
| Total current (system supply) | 650mA |
| Input current (typ.) at nominal load (24 V) | 260mA |
| Power supply efficiency (typ.) at nominal load (24 V) | 80% |
| Standard | EN 50254 |
| Connection technology: communication/fieldbus | INTERBUS: 1 x D-Sub 9 plug / D-Sub 9 socket |
| Connection technology: system supply | 4 x CAGE CLAMP® |
| Connection technology: device configuration | 1 x Male connector; 4-pole |
| Connection type 1 | System supply |
| Solid conductor | 0.08 … 1.5 mm² / 28 … 16 AWG |
| Fine-stranded conductor | 0.08 … 1.5 mm² / 28 … 16 AWG |
| Strip length | 5 … 6 mm / 0.2 … 0.24 inches |
| Note (conductor cross-section) | 14 AWG: THHN, THWN |
750-344
| Ambient temperature (operation) | 0 … +55 °C |
| Ambient temperature (storage) | -25 … +85 °C |
| Protection type | IP20 |
| Pollution degree | 2 per IEC 61131-2 |
| Operating altitude | 0 … 2000 m / 0 … 6562 ft |
| Mounting position | Horizontal left, horizontal right, horizontal up, horizontal down, vertical top and vertical bottom |
| Relative humidity (without condensation) | 95% |
| Vibration resistance | per IEC 60068-2-6 |
| Shock resistance | 15g per IEC 60068-2-27 |
| EMC immunity to interference | per EN 61000-6-2 |
| EMC emission of interference | per EN 61000-6-4 |
| Exposure to pollutants | Per IEC 60068-2-42 and IEC 60068-2-43 |
| Permissible H2S contaminant concentration at a relative humidity 75 % | 10ppm |
| Permissible SO2 contaminant concentration at a relative humidity 75 % | 25ppm |
The system supply is provided directly by the coupler. The field supply is provided via a separate supply module.
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