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1771-OBDS
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Other Available Revisions for the 1771-OBDS 1771-OBDS//A1771-OBDS//B
Common misspellings:
- l771-OBDS
- 177l-OBDS
- 1771-0BDS
- 1771-O8DS
- 1771OBDS
The 1771-OBDS is a DC current limiting output module from Allen Bradley. The module has 16 outputs, a voltage range (output) of between 10 and 40 volts direct current, and a common off-on, on-off signal delay of 1 milliseconds. At 5 Volts DC, the 1771-OBDS modules draws a current of 300 milliamperes from the backplane. The module has a maximum power dissipation rating of 14 and 2 Watts minimum. The 1771-OBDS has a maximum on-state voltage drop of 1.5 Volts at a rated current, a maximum off-state leakage current of 0.5 milliamperes per output, and a maximum adjacent slot power dissipation of 10 Watts. The thermal dissipation rating for the 1771-OBDS is 47.8 BTU/hour and 6.9 BTU/hour maximum and minimum respectively. The 1771-OBDS DC current limiting output module has an isolation voltage tested at 500 Volts for a maximum of 60 seconds. The module can operate within a shock of 30g. When not in operation the 1771-OBDS module has a shock rating of 50g and a storage temperature ranging between -40 and 85 degrees Celsius. Also, the module can accommodate a vibration of 2g at 10 to 500 Hertz when in operation. The module has an EFT/B immunity and surge transient immunity of +-1kV at 5 kHz (signal ports) and +-1kV line to line (+-2kV line to earth) on signal ports. Additionally, the 1771-OBDS module has an ESD, radiated RF, and conducted RF immunity of 4kV (direct discharge), 10V/m (1kHz sine wave (80 percent) AM 30 to 1000 MHz), and 10V RMS (1kHz sine wave (80 percent) AM 150 to 30MHz). The 1771-OBDS module can be used to drive terminals (directly) on either the 1771-IBD, 1771-ICD, or 1771-IB. When using the 1771-OBDS module to drive the terminals it is recommended you power all the modules from the same power supply so that the ground potential is equal and to have a uniform phase.
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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.