Siemens SED2 Service Manual download pdf (Page 50)

SED2 Operation & Maintenance Manual

42 Siemens Building Technologies, Inc.

Index:

P0756[0]: IN000=Analog input 1.

P0756[1]: IN001=Analog input 2.

Note on dependency:

This function is disabled if the analog scaling block is programmed for negative output setpoints

(see P0757 to P0760).

Note on the monitoring function:

If monitoring is enabled and the deadband is defined (P0761), a fault message appears (F0080)

as soon as the analog input voltage drops below 50% of the deadband voltage.

P0753, Analog input filter time

P0753 defines the filter time (PT filter time) in ms for the analog input.

Setting range: 0 to 10,000 ms

Factory setting: 100 ms

Index:

P0753[0]: IN000=Analog input 1.

P0753[1]: IN001=Analog input 2.

Increasing this time reduces (smoothes) the ripples, but also slows down the response to the

analog input.

P0757 – P0760, Input scaling for analog inputs

Parameters P0757 to P0760 configure the input scaling for

the analog inputs according to the following curve.

Factory setting: 0V = 0% and 10V = 100%.

Setting range Parameter

Unit Point on

x/y-axis

Min. Max.

Factory

Setting

P0757 V or mA x1 value -50.0 150.0 0

P0758 % y1 value -99999.9 99999.9 0.0

P0759 V or mA x2 value -50.0 150.0 10

P0760 % y2 value -99999.9 -99999.9 100.0

ymax

(P0760)

(P0758)

(P0757)

(P0759)

ymin

-10

-20

NOTE: Use r0752[0] or [1] to read the actual current or voltage.

Use r0754[0] or [1] to read the current or voltage after scaling.

Index: Example for P0757, applies also to parameters P0758 through P0760.

P0757[0]: IN000=Analog input 1.

P0757[1]: IN001=Analog input 2.

Signal in %

Time in ms

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 153 154

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Siemens SED2 Service Manual Page 50

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