Allen-Bradley 1794-L34 FlexLogix Controller

General Specifications

• User Memory: 512 KBytes
• Input Voltage Rating (Nominal): 24V DC
• Input Voltage Range: 19.2V to 31.2V DC (includes 5% AC ripple)
• Isolation Voltage: 30V DC (Qualification tested to withstand 850V DC for 60 seconds)

Input Current

• 0.85A maximum at 24V DC
• 1.33A maximum at 19.2V DC

Power Dissipation

• 20.4W maximum at 24V DC
• 25.5W maximum at 19.2V DC

Backplane (FLEXBUS) Current Output

• 653mA maximum at 5.1V DC

Thermal Dissipation

• 87 BTU/hour @ 19.2V DC

Weight

• 0.75 kg (1.66 lbs) (no communication cards installed)

Power Supply

• Recommended Models: 1794-PS3 or 1794-PS13
• For CSA compliance, use a SELV power supply compliant with IEC 61010.1, Annex H.

Power Conductors

• Minimum Temperature Rating: 60°C (140°F)
• Wire Sizes: #22 to #14 AWG (0.324 to 2.08 sq. mm) stranded
• Insulation Thickness: 3/64 inch (1.2mm) maximum
• Length: 10m or less
• Power Connector Torque: 5 to 7 inch-pounds (0.6 to 0.8 Nm)

Battery

• Part Number: 1756-BA1 (AB part number 94194801)
• Battery Type: 0.59g lithium

Cables

• Serial Cables:
  • 1761-CBLPM02 to 1761-NET-AIC
  • 1761-CBLPA00 to 1761-NET-AIC
  • 1756-CP3 directly to controller
  • 1747-CP3 directly to controller
• Extended Local I/O Cables:
  • 1794-CE1 cable (1 foot)
  • 1794-CE3 cable (3 feet)

DIN Rail

• Type: Steel, 35 x 7.55mm
• Part Numbers: A-B part number 199-DR1; 46277-3; EN 50022

Operating Temperature

• Range: 0 to 60°C (32 to 140°F)
• Compliance: IEC 60068-2-1 (Operating Cold), IEC 60068-2-2 (Operating Dry Heat), IEC 60068-2-14 (Operating Thermal Shock)

Storage Temperature

• Range: -40 to 85°C (-40 to 185°F)
• Compliance: IEC 60068-2-1 (Un-packaged Non-operating Cold), IEC 60068-2-2 (Un-packaged Non-operating Dry Heat), IEC 60068-2-14 (Un-packaged Non-operating Thermal Shock)

Relative Humidity

• Range: 5 to 95% non-condensing (IEC 60068-2-30)

Vibration and Shock

• Vibration: IEC 60068-2-6 (Operating): 5g @ 10-500Hz
• Shock:
  • Operating: IEC 60068-2-27: 30g
  • Non-operating: 50g

Emissions and Immunity

• Emissions: CISPR 11 Group 1, Class A (with appropriate enclosure)
• ESD Immunity: IEC 61000-4-2: 6kV contact discharges, 8kV air discharges
• Radiated RF Immunity: IEC 61000-4-3: 10V/m from 30MHz to 2000MHz
• EFT/B Immunity: IEC 61000-4-4: ±4kV on power ports, ±2kV on communications ports
• Surge Transient Immunity: IEC 61000-4-5: ±2kV line-earth (CM) on shielded ports
• Conducted RF Immunity: IEC 61000-4-6: 10Vrms from 150kHz to 80MHz

Enclosure Type Rating

• None (open-style)

Certifications

• UL: UL Listed Industrial Control Equipment
• c-UL-us: UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations
• CSA: CSA Certified Process Control Equipment
• CE: Compliant with EU 89/336/EEC EMC Directive
• C-Tick: Compliant with Australian Radiocommunications Act
• EEx: Compliant with EU 94/9/EEC ATEX Directive

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• Email: [email protected]
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• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

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