Endress+Hauser PROMAG 33 - Pulse; Freq. Output

Function group
PULSE / FREQ. OUTPUT
FULL SCALE
FREQ.
Enter the full scale frequency (2...10000 Hz) for the max. flow rate required.
The corresponding full scale value is defined in the function “FULL SCALE
FLOW” (see page 55).
Note!
• This function is only available if the setting “FREQUENCY” is selected in the
function “OPERATION MODE” (see page 53).
• An extension up to 163% of the selected full scale frequency is possible.
• With unidirectional mode, no signal is given for negative flow (reverse).
6
max. 5-digit number: 2...10000 Hz
Factory setting:
10000 Hz
7
T/2 < 2s ==> PULSE/PAUSE = 1:1
In the “FREQUENCY” mode the output signal is symmetrical
(pulse/pause ratio = 1:1). At low frequencies, the pulse duration is
limited to max. 2 seconds (see Figure below), i.e. the pulse/pause
ratio is no longer symmetrical.
The above figure applies to positive pulses.
T/2 ≤ 2s
T/2 > 2 s
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Note!
6 Description of Functions Promag 33
54 Endress+Hauser