1771-PA
|Rated 5.0
The 1771-PA power supply module is a PLC 5 series power supply module. It supports a nominal input voltage rating of 120/220 Volts AC. The 1771-PA power supply module can provide modules with input voltage ranges of 97 to 132 Volts AC or 195 to 264 Volts AC at frequencies of 47 to 63 Hertz.
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Part Number/Catalog No.
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1771-PA
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Module Type
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Power Supply
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Voltage Rating
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120/220 Volts AC
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Input Voltage Range
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97-132 or 195-264 Volts AC
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Max Real Input Power
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108 Watts
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Max Apparent Input Power
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176 VA
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Max Xformer Load
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270 VA
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User Output Current
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N/A
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Backplane Output Current
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16 Amperes (at 5 Volts DC)
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Frequency
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47-63 Hertz
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Fuse
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3 Amperes, 250 Volts, Normal-Blow
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Location
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Stand-Alone
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Dimensions
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4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)
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Weight
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4.3 lbs (1.9 kg)
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The 1771-PA is a power supply module designed for use with 120-220V AC input. It has a nominal input current of 1A at 120V and 0.5A at 220V AC, with a frequency range of 50-60Hz. This module can power a single I/O chassis when used with compatible adapters, processors, or programmable controller modules from the PLC-5 family or Mini-PLC-2 series. It is important to note that the power supply is not intended for parallel connection, as doing so could lead to equipment damage or processor memory loss due to unexpected machine behavior.
Before installing the external 1771-PA power supply, ensure that the I/O chassis is mounted and the power supply configuration jumper is set to the N position. The module can be securely attached to a panel-mounted chassis using the included mounting screws. It can also be mounted separately, but ensure that there is a minimum vertical clearance of 6 inches. Mounting the module above or next to the I/O chassis is recommended to avoid convection cooling issues. Mounting it below the chassis could lead to cooling problems for both components.
The 1771-PA is an "open type" module and must be installed within an appropriate enclosure to protect it from electrostatic discharge (ESD), which could cause system damage and performance issues. To prevent ESD, avoid touching the connector pins or backplane connectors. Before handling the module, discharge any static by touching a grounded object. When not in use, store the module in the static-shield bag it was shipped with to prevent damage.
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