Allen-Bradley 1771-OAN AC (120–240V) Output Module

The Allen-Bradley 1771-OAN is a High Density output module with 32 channels and a voltage range of 80-265 VAC. It has 4 groups of 8 channels each and is compatible with 1771 chassis. This module features 32 LED indicators and internal fuses for troubleshooting and isolation. It can operate in a wide temperature and humidity range and has measures in place for electromagnetic compatibility.

Specifications – ac (120–240V) Output Module, Cat. No. 1771-OAN

Outputs per Module

• 32 (4 groups of 8)

Module Location

• 1771-A1B thru -A4B or later 1771 I/O Chassis

Voltage Range

• 85 to 264V ac, 47–63Hz

Nominal Voltage

• 120/240V ac

Maximum Output Current

• Per Point: 1.0A at 30°C; Derate linearly to 0.3A at 60°C
• Per Group: 2.0A at 30°C; Derate linearly to 0.6A at 60°C
• Per Module: 8.0A at 30°C; Derate linearly to 2.4A at 60°C

Maximum Surge Current

• 10A for 25ms at 1s intervals at 30°C
• 10A for 25ms at 25s intervals at 60°C

Minimum Load Current

• 10mA per output

Maximum On-state Voltage Drop

• 1.5V ac (rms) @ 1A

Maximum Off-state Leakage Current

• 2.3mA per output @ 230V ac, 60Hz
• 1.2mA per output @ 120V ac, 60Hz

Maximum Output Signal Delay

• Off to On: 1.0ms maximum
• On to Off: 9.3ms @ 60Hz; 11.0ms @ 50Hz

Power Dissipation

• 16.2W (max); 1.0W (min)

Thermal Dissipation

• 55.4 BTU/hr (max); 3.4 BTU/hr (min)

Isolation Voltage

• Tested to withstand 1000V for 60s

Backplane Current

• 800mA maximum @ 5V DC

Environmental Conditions

Operational 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)
• 32 to 140°F (0 to 60°C)

Storage Temperature

• IEC 60068-2-1 (Test Ab, Unpackaged, Nonoperating Cold)
• IEC 60068-2-2 (Test Bb, Unpackaged, Nonoperating Dry Heat)
• IEC 60068-2-14 (Test Na, Unpackaged, Nonoperating Thermal Shock)
• -40 to 185°F (-40 to 85°C)

Relative Humidity

• IEC 60068-2-3 (Test Db, Unpackaged, Nonoperating Damp Heat)
• 5 to 95% noncondensing

Shock

• Operating: IEC 60068-2-27 (Test Ea, Unpackaged Shock), 30g
• Nonoperating: 50g

Vibration

• IEC 60068-2-6 (Test Fc, Operating), 2g @ 10–500Hz

ESD Immunity

• IEC 61000-4-2, ±4kV contact discharges

Radiated RF Immunity

• IEC 61000-4-3, 10V/m with 1kHz sine-wave 80% AM from 30MHz to 1000MHz, 10V/m with 200Hz 50% Pulse 100% AM at 900MHz

EFT/B Immunity

• IEC 61000-4-4, ±1kV @ 5kHz on signal ports

Surge Transient Immunity

• IEC 61000-4-5, ±1kV line-line (DM) and ±2kV line-earth (CM) on signal ports

Conducted RF Immunity

• IEC 61000-4-6, 10V rms with 1kHz sine wave 80% AM from 150kHz to 30MHz

Emissions

• CISPR 11, Group 1, Class A (with appropriate enclosure)

Enclosure Type Rating

• None (open style)

Keying

• Between 16 and 18, Between 22 and 24

Fuses

• Four 4.0A, 250V normal blow fuses (1 per group)

Field Wiring Arm

• Cat. No. 1771-WN

Field Wiring Arm Screw Torque

• 7-9 pound-inches (0.7–1.0Nm)

Conductors

• Wire Size: 14–22 AWG (2.5–0.25mm²) stranded copper wire rated at 60°C or greater
• Category: 3/64 inch (1.2mm) insulation (max), 1

Certifications (when product is marked)

• UL: UL Listed Industrial Control Equipment
• CSA: CSA Certified Process Control Equipment
• CE2: 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
  • European Union 73/23/EEC LVD Directive, compliant with:
  • EN 61131-2, Programmable Controllers
• C-Tick2: Australian Radiocommunications Act, compliant with AS/NZS 2064, Industrial Emissions

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