L_Offsetgain_1 - Lenze 8400 StateLine C Reference Manual

8400 StateLine C | Reference manual
Function library
Function blocks | L_OffsetGain_1
16.1.30

L_OffsetGain_1

This FB can add an offset to an analog input signal and amplify it afterwards. Preferably to
be interconnected directly after the analog input terminals.
 The internal calculations (addition and subtraction) are carried out with 32 bits without
overflow/underflow. Division is not remainder considered.
 Offset and gain are selected via FB inputs.
 The value provided at the nOut_a output is internally limited to ±199.99 %.
Inputs
Identifier
nIn_a
nOffset_a
nGain_a
Outputs
Identifier
nOut_a
Function
828
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Information/possible settings
Data type
Input signal
• Scaling: 16384 ≡ 100 %
INT
Offset
• Scaling: 16384 ≡ 100 %
INT
Gain factor
• Scaling: 16384 ≡ 100 %
INT
• 199.99 % ≈2
Value/meaning
Data type
Output signal
• Internal limitation to ±199.99 %
INT
nOut_a nIn_a
(
=
L
Offset ) Gain factor
⋅
+
Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011