| Art. no. | BWU1568 |  |  | 
| Art. no. |  | BW1654 Class 1 Div. 2 (Group A, B, C & D, T-Code 4) | BWU1774AS-i 3.0 from ID no. 12470, without RS232 diagnosis interface, without recognition of duplicate AS-i addresses | 
| Operating current | master power supply, max. 200 mA out of AS-i circuit 1 (approx. 70 mA … 200 mA), max. 200 mA out of AS-i circuit 2 (approx. 70 mA … 200 mA); in sum max. 270 mA | approx. 200 mA out of AS-i circuit 1 approx. 70 mA out of AS-i circuit 2 | 
| PROFIBUS interface | according to DIN 19 245 part 1-3 | 
| Serial interface | RS 232 | - | 
| Baud rates | 9,6 KBaud up to 12 000 KBaud, automatic recognition | 
| DP functions | imaging of the AS-i slaves as I/O data of the PROFIBUS complete diagnosis and configuration via the PROFIBUS DP | 
| AS-i cycle time | 150 μs*(number of slaves + 2) | 
| Displays |  | 
| LCD | displaying slave addresses and error messages | 
| LED green (power) | power on | 
| LED green (PROFIBUS) | PROFIBUS master recognized | 
| LED red (config error) | configuration error | 
| LED green (U AS-i) | AS-i voltage OK | 
| LED green (AS-i active) | AS-i normal operation active | 
| LED green (prg enable) | automatic address programming enabled | 
| LED yellow (prj mode) | master is in configuration mode | 
| Buttons | 4 | 
| Voltage of insulation | ≥ 500 V | 
| EMC directions | EN 61 000-6-2, EN 61 000-6-4 | 
| Operating temperature | 0°C … +55°C | 
| Storage temperature | -25°C … +85°C | 
| Housing | AS-i master housing in stainless steel | 
| Dimensions (L, W, H in mm) | 120 / 75 / 83 | 
Protection category (DIN 40 050) | IP20 | 
| Weight | 460 g | 
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