Beckhoff Automation · I/O · Bus Terminals · KL3xxx Analog Input
Beckhoff KL3458 Analog Input Module
Beckhoff lists the KL3458 as Bus Terminal, 8-channel analog input, current, 4…20 mA, 12 bit, single-ended.
Number of inputs8
Resolution12 bit
Conversion time~ 4 ms
Weightapprox. 55 g
How it works
This page reproduces the technical data Beckhoff publishes for this item number, including the values needed for cabinet design, spares planning and replacement decisions.
Specifications
Technical data
Number of inputs8
Power supplyvia the K-bus
Signal current4…20 mA
Technologysingle-ended
Internal resistance< 85 Ω
Common mode voltage U CM–
Conversion time~ 4 ms
Resolution12 bit
Measurement error/uncertainty< ±0.3% (relative to full scale value)
Surge voltage resistance30 V DC
Ordering information
KL3458Bus Terminal, 8-channel analog input, current, 4…20 mA, 12 bit, single-ended
Order number
KL3458 — Beckhoff product page, technical data
Official source
https://www.beckhoff.com/en-us/products/i-o/bus-terminals/kl3xxx-analog-input/kl3458.html
FAQ
How many channels does the KL3458 have?
Beckhoff states number of inputs: 8.
What does the ordering description say?
Bus Terminal, 8-channel analog input, current, 4…20 mA, 12 bit, single-ended.
Where do these values come from?
They are taken from the technical data Beckhoff publishes for item number KL3458, on the product page linked below.
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