The specifications for the Allen-Bradley 1771-OMD module:
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Outputs per Module: 16
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Module Location:
- 1771-A1B through -A4B or later I/O chassis
- 1771-AM1, -AM2 I/O chassis
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Output Voltage Range: 184 to 250V AC @ 47 - 63Hz
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Output Current Rating: 2A per output (not to exceed 8A per module)
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Surge Current (maximum):
- 25A per output for 100ms, repeatable every 1 second
- 25A per module for 100ms, repeatable every 1 second
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Load Current (minimum): 10mA per output @ 220V AC, 60Hz
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On-State Voltage Drop: 1.5V at 2A (max.)
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Off-State Leakage Current: 4mA per output @ 220V AC (max.)
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Signal Delay:
- Off to On: 1.0ms
- On to Off: 8.3-9.1ms @ 60Hz
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Power Dissipation:
- 17.3 Watts (max.)
- 3.7 Watts (min.)
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Thermal Dissipation:
- 59.0 BTU/hr (max.)
- 12.6 BTU/hr (min.)
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Backplane Current: 700mA @ 5V DC ± 5%
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Isolation Voltage: Meets or exceeds UL Standard 508, and CSA Standard C22.2 No. 142
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Environmental Conditions:
- Operational Temperature: 0 to 60°C (32 to 140°F)
- Storage Temperature: -40 to 85°C (-40 to 185°F)
- Relative Humidity: 5 to 95% without condensation
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Conductors Wire Size:
- 14 gauge (2mm²) stranded maximum
- 3/64 inch (1.2mm) insulation maximum
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Keying:
- Between 2 and 4
- Between 6 and 8
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Fuse: 10A, 250V rectifier fuse (1/4 x 1-1/4 inch), Littelfuse PN 322010 3AB
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Field Wiring Arm:
- Standard: Catalog Number 1771-WH
- Optional Fused: Catalog Number 1771-WHF, 1771-WHFB
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Wiring Arm Screw Torque: 7-9 inch pounds
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Agency Certification:
- CSA certified
- CSA Class I, Division 2, Groups A, B, C, D certified
- UL listed
- CE marked for all applicable directives
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