1794-APB | Allen Bradley PROFIBUS Adapter Module
1794-APB | Allen Bradley PROFIBUS Adapter Module

1794-APB | Allen Bradley PROFIBUS Adapter Module

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Part Number : 1792-APB

Input Voltage Rating

24V dc nominal
19.2V to 31.2 V dc (includes 5% ac ripple)
Input Current450 mA maximum, 330 mA at 24V dc
Inrush Current
23 A for 2 ms
Communication Rate
All rates up to 12.0 Mbits/s

Status- red/green
PROFIBUS- red/green
Flexbus Output Current640 mA maximum
Isolation VoltageTested at 850V dc for 1s between user power and flexbus
Power Dissipation7.68 W maximum @ 19.2V dc
Thermal Dissipation
Maximum 26 BTU/hr @ 19.2V dc

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

IEC60068-2-6 (Test Fc, Operating):
5g @ 10-500 Hz

IEC60068-2-27 (Test Ea, Unpackaged shock):
Operating 30g
Non-operating 50g

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 RatingNone (open-style)
Power Conductors
    Wire Size


12 AWG (2.5 mm?) stranded copper wire rated at 75 ?C or higher

3/64 inch (1.2 mm) insulation maximum
Terminal Screw Torque7 pound-inches (0.8 Nm)
PROFIBUS CableStandard drop cable
PROFIBUS connector Plug9-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
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           
PublicationsUser 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.

  • Estimated Lead Time : 6 - 12 Weeks
  • Shipping Weight : 2 Kg
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