CG Drives & Automation 01-7318-01r1 Functional description 87
Example:
Process sensor is a sensor with the following specification:
Range: 0–3 bar
Output: 2–10 mA
Analogue input should be set up according to:
[512] AnIn1 Setup = User mA
[5131] AnIn1 Min = 2 mA
[5132] AnIn1 Max = 10 mA
[5134] AnIn1 Function Min = User-defined
[5135] AnIn1 VaMin = 0.000 bar
[5136] AnIn 1 Function Max = User-defined
[5137] AnIn1 VaMax = 3.000 bar
AnIn1 Operation [5138]
AnIn1 Filter [5139]
If the input signal is unstable (e.g. fluctuation reference
value), the filter can be used to stabilize the signal. A change
of the input signal will reach 63% on AnIn1 within the set
AnIn1 Filter time. After 5 times the set time, AnIn1 will
have reached 100% of the input change. See Fig. 73.
Fig. 73
AnIn1 Enable [513A]
Parameter for enable/disable analogue input selection via
digital inputs (DigIn set to function AnIn Select).
AnIn2 Function [514]
Parameter for setting the function of Analogue Input 2.
Same function as “AnIn1 Fc [511]”.
AnIn2 Setup [515]
Parameter for setting the function of Analogue Input 2.
Same functions as “AnIn1 Setup [512]”.
AnIn2 Advanced [516]
Same functions and submenus as under “AnIn1 Advan
[513]”.
Default: Add+
Add+ 0
Analogue signal is added to selected
function in menu
[511].
Sub- 1
Analogue signal is subtracted from
selected function in menu
[511].
Default: 0.1 s
Range: 0.001 – 10.0 s
AnIn change
100%
63%
Original input signal
Filtered AnIn signal
T
5 X T
Default: On
On 0 AnIn1 is always active
!DigIn 1 AnIn1 is only active if the digital input is low.
DigIn 2
AnIn1 is only active if the digital input is
high.
Default:
AFR: Off
AFG: U(L1)
Selection: Same as in menu
[511]
Default: 4 – 20 mA
Dependent on Setting of switch S2
Selection: Same as in menu
[512].
514 AnIn2 Fc
Stp Off/U(L1)
515 AnIn2 Setup
Stp 4-20mA
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