Low Voltage Directive This apparatus is also designed to meet Council Directive 73/23/EEC Low Voltage, by applying the safety requirements of EN 61131–2 Programmable Controllers, Part 2 – Equipment Requirements and Tests. For specific information that the above norm requires, see the appropriate sections in this manual, as well as the following Allen-Bradley publications
• Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1
• Guidelines for Handling Lithium Batteries, publication AG-5.4
• Automation Systems Catalog, publication B111
Electrostatic Damage
Electrostatic discharge can damage semiconductor devices inside this module if you touch backplane connector pins. Guard against electrostatic damage by observing the following warning: ! ATTENTION: Electrostatic discharge can degrade performance or cause permanent damage. Handle the module as stated below. • Wear an approved wrist strap grounding device when handling the module.
• Touch a grounded object to rid yourself of electrostatic charge before handling the module.
• Handle the module from the front, away from the backplane connector. Do not touch backplane connector pins.
• Keep the module in its static-shield bag when not in use, or during shipment.
Power Requirements
Your module receives its power through the 1771 I/O chassis backplane from the chassis power supply. The maximum current drawn by the module from this supply is 650mA (3.25 Watts). Add this value to the requirements of all other modules in the I/O chassis to prevent overloading the chassis backplane and/or backplane power supply.
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