Hohner FU 252 Operating Manual page 19

Signal converter for frequency -analog / serial
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Ex-factory, all motrona units use the following serial default settings:
Unit No. 11, Baud rate 9600, 1 start/ 7 data/ parity even/ 1 stop bit
If the serial settings of your unit should be unknown, you can run the „SCAN" Function
from the „TOOLS" menu to find out.
On the left side of your screen you find the Edit window with all parameters.
Under „INPUTS" you find some soft keys allowing to switch ON or OFF of the Control
commands. Indicator boxes in the RS column signal if the corresponding command is set by
serial communication. Indicator boxes in the PI/O column indicate if the same command is set
by hardware input.
Under OUTPUTS you can get information about the state of the unit. The indicator boxes
„Status A" and „Status B" especially serve to check the input frequencies:
 Status A will be lit while a frequency is detected on input A
(except with operating mode „B single")
 Status B will be lit while a frequency is detected on input B
(except with operating modes „A single", „A/B_dir" and „A/B_90")
The color bar in the "Output Value" field indicates the actual percentage of the output
signal in a range of +/- 100 %.
The Control keys allow Read-out, Transmission and saving of parameter settings.
 For enduring memorization of parameters entered by keypad, you should press
 Optionally you can also use the soft keys „Transmit" or „Transmit All" for
Fu252_02g_oi_e.doc / Apr-16
www.hohner-elektrotechnik.de
the ENTER key every time you have completed one line.
temporary storage of your last setting or all previous settings (storage until next
power-down), and finally use the „Store EEProm" key when you like to have an
enduring storage of all settings transmitted before.
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