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The active mode can also be changed from the front panel. In run mode, press the select
button. The current mode will be displayed for a period of 2s. Pressing select again while the
mode is displayed, will switch to the next active mode. If no other modes are configured, the
current mode will continue to be displayed.
Output Options
Analogue Output
"A" models are configured with an analogue output terminal, labelled "Ao" on the rear
terminals. The analogue output can be set to be either voltage or current. The output modes
are selectable as:
Voltage:
0 - 5V, 1 - 5V, 0 - 10V or 2 - 10V
Current:
0 - 20mA or 4 - 20mA
In addition to selecting the type and range of the output, the reference and full-scale values
must also be set. Scaled frequency values at or below the reference will be set to the lowest
output value in the selected range. Scaled frequency values at or above the full-scale value
will be set to the maximum value in the selected range. In between the reference and full-
scale values, the analogue output will be set linearly according to the reference, full-scale and
scaled frequency value.
Digital Output
"D" models are configured with a digital output terminal. This digital frequency divider
provides a scaled frequency square wave output. The scaling factor can be set anywhere
between 0 (output off) and 1 (output equal to input frequency). For example, if set to 0.5 the
frequency of the digital output will be equal to half of the frequency of the input signal. In
Frequency A and Frequency B mode the digital output provides a divided version of the
respective channel. In A/B mode the frequency on Input A determines that of the digital
output and in B/A this is determined by Input B.
The digital output provides a pulse to supply (Vs) with a 4.7kΩ pull-up resistor and can sink
up to 150mA.
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