21
The number of digits for energy register is set to 9 (for version 1.04.00 and
up). This includes digits to the left and to the right of the decimal point (e.g.
with one decimal place : 12345678.9). If an energy register exceeds the
value 999999999, it continues at the value 000000000 and a flag will be set
in the device status register (of that registration period).
All pulse inputs arrive in two separate energy registers and one pulse regis-
ter:
•
Cumulative register (settable), in which the meter reading of the supplying
meter can be adjusted for control and check purposes.
•
Current (cannot be modified externally), which registers the flow of energy
since the last reset.
•
Pulse register (control register, cannot be modified externally), counts all
incoming pulses from the related input without weighting.
Furthermore the energy increment since the end of the last registration pe-
riod is calculated for both registration periods (Tm1 and Tm2). By multipli-
cation with the time factor, these values are converted into demand values.
Tm
60
TF
=
:
weighting
value
Demand
–
TF : Time factor
–
Tm : Registration period (in minutes)
The energy increment registers (and therefore also the demand registers)
are reset to 0 at the beginning of each new registration period.
Example: Registration period:
Tm1 = 15 min.
Time factor:
TF = 60/15
= 4
Energy increment:
∆
E = 25 kWh
→
Demand:
P
=
∆
E
×
TF = 100 kW
Summary of Contents for DLX
Page 9: ...9 1 Scope of Application 1 1 Application environment Figure 1 Application environment...
Page 42: ...42 4 2 Installation diagram Figure 13 Dimensions of mounting points...
Page 54: ...54 7 Menus 7 1 Flow diagram Figure 24 Flow diagram of menus...
Page 110: ...Subject to change without notice...
Page 111: ...E116012215052 Appendix A Data Retrieval Protocols...
Page 112: ...A 2...
Page 156: ...Subject to change without notice...
Page 157: ...E116012215052 Appendix B Table Addresses...
Page 158: ...B 2...
Page 170: ...Subject to change without notice...
Page 171: ...E116012215052 Appendix C List of Parameters and Constants...
Page 172: ...C 2...
Page 178: ...Subject to change without notice...
