Lenze 8400 TopLine - Manual (Page 1572)

19 Function library
19.1 Function blocks
1572
Lenze · 8400 TopLine · Reference manual · DMS 6.0 EN · 06/2014 · TD05/TD14
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19.1.114 L_NLim_2
This FB can mask out up to three parameterisable blocking zones within a continuous signal
characteristic.
Inputs
Outputs

Note!
A value of "0" cannot be masked out if the nIn_a input signal changes signs.
Identifier
Data type
Information/possible settings
bEnable
BOOL
Activate zone masking
FALSE The FB has been deactivated.
• The input signal is output one-to-one at the nOut_a output.
TRUE The FB has been activated.
• Zone masking of the input signal is carried out according to the
parameterised blocking zones.
nIn_a
INT
Input signal
Identifier/data type Value/meaning
wState
WORD
Bit-coded status word
• Bits that are not listed are reserved for future extensions.
Bit 0 No blocking zone active
Bit 1 Blocking zone 1 active
Bit 2 Blocking zone 2 active
Bit 3 Blocking zone 3 active
nOut_a
INT
Output signal
• If the FB has been activated, the output signal is outside the blocking zones.
bLimitActive
BOOL
"Limitation active" status signal
TRUE The input signal is inside a blocking zones and is limited to the
respective boundary value of the blocking zone.
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