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1771-OBN
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Other Available Revisions for the 1771-OBN 1771-OBN//A1771-OBN//B
Common misspellings:
- l771-OBN
- 177l-OBN
- 1771-0BN
- 1771-O8N
- 1771OBN
The 1771-OBN is a DC output module from Rockwell automation/ Allen Bradley. The module has sourcing outputs that cater for a positive voltage path. The 1771-OBN has 32 outputs divided into 4 groups of 8. The module occupies a slot in the 1717 Input Output chassis apart from the 1771-A2, 1771-A1, and the 1771-A4 I/O chassis. The 1771-WN field wiring arm is used to make connections to the module. The 1771-OBN exerts a load of 330 milliamperes on the backplane at a maximum voltage of 5 volts. The maximum and minimum power dissipation rating for the 1771-OBN is 13.7 and 1.7 watts respectively. Additionally, the module has a thermal dissipation rating of 5.7 and 46.7 minimum and maximum respectively. The 1771-OBN module has a per output and per module maximum output current of 2 Amperes and 8 Amperes respectively plus 2 amperes per each output group. For 10 milliseconds, the 1771-OBN module has a surge current (max) of 20A/module, 2A/output, and 5A per output group repeatable every 2 seconds. At 55 degrees Celsius, the module has an off-state leakage current of 1 milliampere (maximum) and at 0.5 amperes, the 1771-OBN module has a an on-state voltage drop (maximum) of 1.5 Volts. The 1771-OBN module has an output signal delay of 2 milliseconds and o.1 milliseconds for on-off and off-on respectively. The module’s isolation voltage is tested at 1500 Volts AC RMS. Also, the module has one fuse (4.0A, 250 Volts) per output group making it a total of 4 fuses per the entire module. For keying, the module utilizes pins 14 to 16 and 20 to 22. When handling the 1771-OBN module, proper grounding should be observed to minimize the effects of electrostatic charges. The module has a per output power dissipation rating (maximum) of 0.75 Watts.
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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.