Our customer has a question about the unit-load of RS-485.
I'm posting the question for the customer:
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Would you please let us know how to calculate the value of unit-load (u.l.)
in the tables of "Figure 7. External 485 Failsafe Circuits"?
Refer to the following;
Application Report,"Interface Circuits for TIA/EIA-485 (RS-485)", page 11
(Document number: SLLA036D)
We need the unit-load on our circuits of RS-485 bus with fail-safe
resistors like as the a) circuit of Figure 7.
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Thank you in advance.
Best regards,
Takishin
