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Chapter 2: Installation and Wiring
User's Manual Pub. 0300241-02 Rev. A
Group your modules to minimize adverse effects from radiated electrical noise
and heat. Consider the following conditions when selecting a location for the
analog module. Position the module:
Away from sources of electrical noise such as hard-contact switches,
•
relays, and AC motor drives
•
Away from modules which generate significant radiated heat, such as the
1769-IA16. Refer to the module's heat dissipation specification.
In addition, route shielded, twisted-pair analog input wiring away from any high
voltage I/O wiring.
Power Supply Distance
You can install as many modules as your power supply can support. However,
all 1769 I/O modules have power supply distance ratings. The maximum I/O
module rating is 8, which means that a module may not be located more than 8
modules away from the system power supply.
Figure 2-1. Power Supply Distance
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