Deriv – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual
Page 76
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Function Block Library
4–14
1336 FORCE — 5.9 August 1995
Example 2 — Rate = 16383 Units-per-Second (UPS)
– 16383
"
DERIV Out
"
– 32767
"
+ 16383
"
Ramp Input Rate = + 16383 UPS
"
0
"
In the example above, the rate limit input to the derivative function is set to allow a
16383 UPS change of output. A constant rate-of-change to the input, yields a constant output
level of
±
16383, with the output sign changing with the input slope.
DERIV
(continued)
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