This is the range of resistance values that can be connected to the output side of a device, and it is closely related to the input resistance of the connected device(s).
When building a system (for example, transmitting a signal from Device A to Device B), if the allowable load resistance of Device A is not greater than or equal to the input resistance of Device B, issues such as inaccurate output may occur.
For example, if using an output of DC 4–20mA with an allowable load resistance of 750Ω, you can connect up to three devices with an input resistance of 250Ω each, or up to fifteen devices with an input resistance of 50Ω each.
Allowable Load Resistance
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