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6
SLC 500™ RTD/Resistance Input Module
Electrostatic Damage
Electrostatic discharge can damage semiconductor devices inside this module if
you touch backplane connector pins or other sensitive areas. Guard against
electrostatic damage by observing the following precautions.
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.
NR4 Power Requirements
The RTD module receives its power through the SLC 500 chassis backplane from
the fixed or modular +5V dc/+24V dc chassis power supply. The maximum
current drawn by the module is shown in the table below.
5V dc Amps
0.050
When you are using a modular system configuration, add the values shown in the
table above to the requirements of all other modules in the SLC chassis to
prevent overloading the chassis power supply.
When you are using a fixed system controller, refer to the important note page 7
about module compatibility in a 2-slot fixed expansion chassis.
Publication 1746-5.17
24V dc Amps
0.050
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