Model 1794-APB Input Voltage Rating 24V dc nominal 19.2V to 31.2 V dc (includes 5% ac ripple) Input Current 450 mA maximum, 330 mA at 24V dc Inrush Current 23 A for 2 ms Communication Rate All rates up to 12.0 Mbits/s Indicators Status- red/green PROFIBUS- red/green Flexbus Output Current 640 mA maximum Isolation Voltage Tested at 850V dc for 1s between user power and flexbus Power Dissipation 7.68 W maximum @ 19.2V dc Thermal Dissipation Maximum 26 BTU/hr @ 19.2V dc Dimensions 3.4H x 2.7W x 2.7D inches 87H x 69W x 69D mm Environmental Conditions Operating Temperature IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0 to 55 ?C (32 to 131 ?F) Storage Temperature IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold), IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry Heat), IEC 60068-2-14 (Test Na, Un-packaged Non-operating Thermal Shock): 40 to 85 ?C ( 40 to 185 ?F) Relative Humidity IEC 60068-2-30 (Test Db, Un-packaged Non-operating Damp Heat): 5 to 95% noncondensing Vibration IEC60068-2-6 (Test Fc, Operating): 5g @ 10-500 Hz Shock IEC60068-2-27 (Test Ea, Unpackaged shock): Operating 30g Non-operating 50g Emissions CISPR 11: Group 1, Class A (with appropriate enclosure) ESD Immunity IEC 61000-4-2: 8 kV air discharges Radiated RF Immunity IEC 61000-4-3: 10 V/m with 1kHz sine-wave 80%AM from 30 MHz to 1000 MHz EFT/B Immunity IEC 61000-4-4: ?2 kV at 5 kHz on communication ports Surge Transient Immunity IEC 61000-4-5: ?2 kV line-earth (CM) on shielded ports Conducted RF Immunity IEC 61000-4-6: 10Vrms with 1 kHz sine-wave 80%AM from 150 kHz to 30 MHz Enclosure Type Rating None (open-style) Power Conductors Wire Size Category? 12 AWG (2.5 mm?) stranded copper wire rated at 75 ?C or higher 3/64 inch (1.2 mm) insulation maximum 2 Terminal Screw Torque 7 pound-inches (0.8 Nm) PROFIBUS Cable Standard drop cable PROFIBUS connector Plug 9-pin D-shell Certifications (when product is marked)? C-UL-US UL Listed for Class I, Division 2, Groups A, B, C and D Hazardous locations, certified for US and Canada CE European Union 89/336/EEC EMC Directive, compliant with: EN 61000-6-4; Industrial Emissions EN 50082-2; Industrial Immunity EN 61326; Meas./Control/Lab., Industrial Requirements EN 61000-6-2; Industrial Immunity C-Tick Australian Radiocommunications Act compliant with AS/NZS CISPR 11, Industrial Emissions Publications User Manual 1794-UM059 (1) You use this category information for planning conductor routing as described in Allen-Bradley publication 1770-4.1, Industrial Automation Wiring and Grounding Guidelines. (2) See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates and other certification details.
