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5.3 Frequency and percentage reference channel

he varied functions for the specification of the reference values are connected in the

various configurations by the frequency or percentage reference channel. The

Refer-

ence frequency source

475, and the Reference percentage source 476 determine the

additive connection of the available reference sources as a function of the installed

hardware.

Operation mode Function

2 -EM-S1INA, absolute value Reference source is the analog input EM-S1INA

4 -

MFI1A + EM-S1INA, abso-

lute value

Reference sources are the multifunctional input

MFI1A and the analog input EM-S1INA

14 -

MFI1A + EM-S1INA + FF,

absolute value

Reference sources are the multifunctional input

MFI1A, analog input EM-S1INA and fixed frequency

24 -

MFI1A + EM-S1INA + MP,

absolute value

Reference sources are the multifunctional input

MFI1A, analog input EM-S1INA and the motor poten-

tiometer function MP

34 -

speed sensor 2 (F2), abso-

lute value

The frequency signals of the resolver are evaluated

using a fixed number of division marks of 1024 as a

reference value.

102 to 124 Operation modes with signs (+/-)

Additional to the operation modes listed, those stated in the operatin

instructions o

the frequency inverter in the chapter "Frequency reference channel“, and in the chap-

ter "Percentage reference channel“ also apply.

5.4 Actual value display

The actual value of speed sensor 2 can be read via the parameters Frequency

pee

sensor 2 219 and Speed, speed sensor 2 220.

The analog input signal on analog input EM-S1INA can be a volta

e or a current si

nal

depending on the setting of switch S3. Accordingly, the actual value parameter

Analo

input EM-S1INA 253 is displayed as a percentage.

5.5 Repetition frequency output EM-RFOUT

The repetition frequency output EM-RFOUT emulates a speed sensor. The repetition

frequency output delivers the frequency signal of the resolver as a simulation of an

incremental speed sensor with reference si

nal. The number of division marks is se

permanently to 1024 division marks, thus no parameterization is required.

For parameter

Repetition Freq. Operation 555 the additional operation mode 4 – Fre-

quency speed sensor 2 is selectable. It can put out the absolute value of

requency

speed sensor 2

219 to the multifunctional output MFO1 of the frequency inverter.

Assignment of the outputs:

Repetition frequency output EM-RFOUT (X410A.7): track A+

Repetition frequency output EM-RFOUT (X410B.1): track A-

Repetition frequency output EM-RFOUT (X410B.2): track B+

Repetition frequency output EM-RFOUT (X410B.3): track B-

1 2 ... 57 58 59 60 61 62 63 64 65 66 67

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