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5.6 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,
analog abs. value
Reference source is the analog input EM-S1INA
4 -
MFI1A + EM-S1INA,
abs. value
Reference sources are the multifunctional input
MFI1A and the analog input EM-S1INA
12 -
EM-S1INA
+ FF (and/or FP),
abs. value
Reference sources are the analog input EM-S1INA
and fixed frequency FF (and/or the fixed percent-
age FP)
14 -
MFI1A + EM-S1INA + FF,
abs. value
Reference sources are the multifunctional input
MFI1A, analog input EM-S1INA and fixed frequency
FF
22 -EM-S1INA +MP, abs. value
Reference sources are the analog input EM-S1INA
and the motor potentiometer function MP.
24 -
MFI1A + EM-S1INA + MP,
abs. value
Reference sources are the multifunctional input
MFI1A, analog input EM-S1INA and the motor po-
tentiometer function MP
34 -
speed sensor 2 (F2),
abs. value
The frequency signals in
Operation mode Speed
sensor 2
493 are evaluated as a reference value.
35 -MFI1A + F2, abs. value
Reference sources are the multifunctional input
MFI1A and the frequency signals in
Operation
Mode Speed Sensor 2
493.
102 to 135 Operation modes with signs (+/-)
Alon
side the operation modes listed, those stated in the operatin
instructions of the
frequency inverter in the chapter "Frequency reference channel“, and in the chapte
"Percentage reference channel“ also apply.
5.7 Actual value display
The actual value of speed sensor 2 can be read via the parameters
requency spee
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.
The analog output signal on analog output EM-S1OUTA can be read via the actual
value parameter
Analog output EM-S1OUTA 266.
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