Lenze 8400 - Manual (Page 1340)

18 Function library
18.1 Function blocks | L_NSet_1
1340
Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
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Function
• When the controller is inhibited (CINH), the ramp function generator accepts the value applied
at nCInhVal_a and transfers it to the downstream function. This function has priority over all
other functions.
• bRfgStop = TRUE
• The ramp function generator is stopped. Changes at the input of the ramp function generator
have no effect on the output signal.
• bRfg0 = TRUE
• The ramp function generator runs to 0 along its deceleration ramp.
• Furthermore it is possible to load the ramp function generator online with a defined value. For
this purpose, bLoad must be set to TRUE. As long as this input is set, the value at nSet_a is
transferred to the ramp function generator and provided at the output.
Priorities:
CINH bLoad bRfg0 bRfgStop Function
FALSE FALSE FALSE FALSE The ramp function generator follows the input value
via the set ramps.
FALSE FALSE FALSE TRUE Stop the ramp function generator:
The value at the output of the ramp function
generator is held.
FALSE FALSE TRUE FALSE Ramp down the ramp function generator:
The ramp function generator runs to 0 within the set
deceleration time.
FALSE FALSE TRUE TRUE
FALSE TRUE FALSE FALSE Load ramp function generator online:
The ramp function generator accepts the value at
nSet_a and provides it at its output.
FALSE TRUE FALSE TRUE
FALSE TRUE TRUE FALSE
FALSE TRUE TRUE TRUE
TRUE FALSE FALSE FALSE Controller inhibit:
The ramp function generator accepts the value at
nCInhVal_a and provides it at its output.
TRUE FALSE FALSE TRUE
TRUE FALSE TRUE FALSE
TRUE FALSE TRUE TRUE
TRUE TRUE FALSE FALSE
TRUE TRUE FALSE TRUE
TRUE TRUE TRUE FALSE
TRUE TRUE TRUE TRUE