Yokogawa 415 Steam and Gas - Manual (Page 39)

3.6 THE OUTPUT PULSE
An OUTPUT PULSE is available on terminal 10 for driving remote counters
and produces a pulse each time the Total of the Default display increments by
one digit. For example, if the Default Total has a resolution of 0.01 kilograms, a
pulse is produced each 0.01 kilograms.
The pulse is a current sinking pulse of approximately 10mSec produced by an
open collector transistor and can sink up to 100mA. The maximum pulse rate is
limited to 49 pulses per second and the resolution on the accumulated total must
be set so that the accumulated total increments at less than 49 counts per second.
Note that due to the uneven pulse output spacing on this output, the pulse output
cannot be used to drive rate indicators.
Operation 37