NOTE: To perform specialized configuration go into the advanced mode of ION Setup and
modify or add a new Calibration Pulser module. This is an advanced procedure that should only
be performed if you have advanced knowledge of ION and the power system your meter is
connected to.
For more information, see ION Reference, available on www.usa.siemens.com/pds.
Calculate your maximum kWh/pulse (pulse weight) value
To calculate the kWh/pulse (pulse weight) value, divide the highest kW value you can expect by
the required pulse rate.
Make sure the required pulse rate does not exceed the maximum pulse rate for the digital output.
NOTE: To convert from kWh/pulse to pulse/kWh you must invert (take the reciprocal) of the
value. For example, 1.8 kWh/pulse becomes 0.556 pulse/kWh.
Example pulse weight calculation
For a maximum load of 1600 kW and a pulse rate of two pulses per second, calculate the
kWh/pulse value as follows:
1. Convert 1600 kW load into kWh/second:
(1600 kW)*(1hr) = 1600 kWh
(1600 kWh)/(3600 sec) = (X kWh)/(1sec)
X = 0.444 kWh/sec
2. Calculate the kWh required per pulse:
(0.444 kWh/sec)/(2 pulses per second) = 0.222 kWh/pulse
3. If using KYZ Output Mode, adjust for the KY giving one pulse per two transitions if
necessary.
(0.222 kWh/pulse)/(2) = 0.111 kWh/pulse
For more information on the Calibration Pulser module, see ION Reference, available on
www.usa.siemens.com/pds.
9810 series - User manual Inputs/Outputs
7EN05-0390-08 146
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