Rockwell Automation 1746-NI16V SLC 500 Analog I/O Modules - Manual (Page 6)

6 SLC 500™ Analog Input Modules
Publication 1746-IN001B-US-P
Module Location in Chassis
Modular Chassis Considerations
Place your 1746-NI16 module in any slot of an SLC 500 modular, or modular
expansion chassis, except for the extreme left slot (slot 0) in the first chassis. This slot
is reserved for the processor or adapter modules.
Fixed Expansion Chassis Considerations
Heat and Noise Considerations
Most applications require installation in an industrial enclosure to reduce the effects
of electrical interference. Analog inputs are highly susceptible to electrical noise.
Electrical noise coupled to the analog inputs reduces the performance (accuracy) of
the module.
Group your modules to minimize adverse effects from radiated electrical noise and
heat. Consider the following conditions when selecting a slot for the analog input
module. Position the module:
• in a slot 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 32-point
I/O module (series C or earlier)
In addition, route shielded twisted-7pair analog input wiring away from any
high-voltage I/O wiring.
Operating Temperature Range +0°C to +60°C (+32°F to +140°F)
IMPORTANT
The 2-slot, SLC 500 fixed I/O expansion chassis (1746-A2)
supports only specific combinations of modules. If you are using
the 1746-NI16 module in a 2-slot expansion chassis with another
SLC I/O or communication module, refer to the 1746-NI16
user
manual to determine whether the combination can be supported.
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