81
Acuvim-L
200:5) for over 15 seconds, over limit alarm will be triggered, alarm signal will be
set out via DO1. Setting procedures should be as follows: Enter DO parameter
setting mode by pressing “P” and “E” simutaneously under system parameter
setting mode.
1) Set DO1 mode to 1 (alarm output)
2) Set delay time to 50 (the base unit of delay time is 300ms, the setting value
should be 15/0.3=50)
3) Set alarming parameter to 8 (tracking object for parameter 8 isPhase B
current))
4) Set inequality sign to 1 (greater than)
5) Set alarm value to 4500 (according to Table 4-9. Conversion relationship of
basic measurements from Chapter 4.4 <<Data address table of Acuvim-L>>,
the setting relationship is I=Rx*(CT1/CT2)/1000, Rx=4500) Press “V/A” to accept
change then press “P” and “E” simutaneously to exit DO parameter setting mode.
Energy Pulse Output:
Acuvim-BL, Acuvim-DL and Acuvim-EL has Energy pulse output function. Each
energy pulse output channel can be set to monitor one of the four energy
parameters (Ep_imp, Ep_exp, Eq_imp or Eq_exp). Pulse constant and pulse
with can also be set according to user’s requirement. Pulse constant stands
for amount of energy (kWh or kvarh) per pulse; pulse width stands for the time
duration for each pulse. DO will send out a pulse signal when the accumulated
energy reaches the pulse constant value. Related parameters: pulse energy
output ranges from 0 to 4 corresponding to none, Ep_imp, Ep_exp, Eq_imp, Eq_
exp. Pulse constant ranges from 800 to 60000; Pulse width ranges from 1 to 50
(word) with a unit of 20ms. The shortest interval between two pulses is 20ms.
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