CET PMC-690, User Manual

Page: 28 / 103

CET Electric Technology
28
Hour ≤ 23 and 1 ≤ Day ≤ 28. For example, the value 1512 means that the Self-
Read will take place at 12:00pm on the 15th day of each month.

A 0xFFFF value will disable the Self-Read operation and replace it with manual
operation. A manual reset will cause the Max. Demand of
This Time to be
transferred to the Max. Demand of Last Time and then reset.
Predicted Response
The Predicated Response shows the speed of the predicted demand output. A
value between 70 and 99 is recommended for a reasonably fast response. Specify
a higher value for higher sensitivity.
70 to 99
Default=70
Table 4-2 Setup Parameters for Demand
The PMC-690 provides the following Present Demand and Predicted Demand parameters:
Present
Demand
Ua/Ub/Uc ULN avg Uab/Ubc/Uca ULL avg
Ia/Ib/Ic I avg I4 U4 kVA Total
kWa/kWb/kWc
Imp./Exp.
kW Total Imp./Exp.
kvara/kvarb/kvarc
Imp./Exp.
kvar Total
Imp./Exp.
kVAa/kVAb/kVAc
P.F.a/P.F.b/P.F.c Total P.F. Frequency
Ua/Ub/Uc
Deviation
Uab/Ubc/Uca
Deviation
Ua/Ub/Uc Over
Deviation
Uab/Ubc/Uca Over
Deviation
Ua/Ub/Uc Under
Deviation
Uab/Ubc/Uca
Under Deviation
Freq Deviation
U2/U0 Unbalance I2/I0 Unbalance Ia/Ib/Ic K Factor I4 K Factor Ia/Ib/Ic THD
Ua/Uab THD Ub/Ubc THD Uc/Uca THD U4 THD I4 THD
Ua/Uab TOHD Ub/Ubc TOHD Uc/Uca TOHD U4 TOHD Ia/Ib/Ic TOHD
I4 TOHD Ua/Uab TEHD Ub/Ubc TEHD Uc/Uca TEHD U4 TEHD
Ia/Ib/Ic TEHD I4 TEHD
Ia Fund. Ib Fund. Ic Fund. I4 Fund.
Predicted
Demand
Ua/Ub/Uc ULN avg Uab/Ubc/Uca ULL avg U4
Ia/Ib/Ic I avg I4
kWa/kWb/kWc
Imp./Exp.
kW Total Imp./Exp.
kvara/kvarb/kvarc
Imp./Exp.
kvar Total
Imp./Exp.
kVAa/kVAb/kVAc Total kVA P.F.a/P.F.b/P.F.c Total P.F. Frequency
Max.
Demand
Ia/Ib/Ic kW Total Imp./Exp.
kvar Total Imp./Exp. Total kVA
Table 4-3 Demand Parameters
4.2 Setpoints
The PMC-690 comes standard with 40 user programmable setpoints which provide extensive control by
allowing a user to initiate an action in response to a specific condition. There are 24 Standard Setpoints
and 16 High-Speed Setpoints. Typical setpoint applications include alarming, fault detection and power
quality monitoring.
Figure 4-1 Over Setpoint