MAXICAL
®
III
5511-229 GB/98.06/Rev. B1
10
A read-out head, type 66-99-102, with a 9-pole D-sub plug is used
for data acquistion and when configuring the meter from a compu-
ter.
Data acquisition is also possible with Kamstrup Energi’s hand-
held terminal, MULTITERM III. Kamstrup Energi’s software
package for MAXICAL
®
III, type 66-99-210, can be used to
configure via a standard computer.
2.8. Voltage Supply and Back-up
MAXICAL
®
III operates on 230 V AC, supplying the integrator
and the analogue module via two internal double isolated trans-
formers. Furthermore, an integrated 1 Ah lithium cell ensures that
the internal clock (with date) is continuously supplied, should the
power be cut off. In the even of a power cut, there is no back-up
on the frequency input (terminals 75-76). However there is a 5
minute back-up on the pulse input (terminals 10-11).
2.9. Tariff Functions
MAXICAL
®
III features several tariff functions. Regardless of the
tariff type, the total thermal energy will always be accumulated in
the primary register. Furthermore, tariff registers TA2 and TA3
accumulate the portion of the energy consumed in connection with
a specific condition. This condition, together with the relevant
limit values (TL2 and TL3), can be conveniently configured using
a Windows software package, type no. 66-99-210, which can
easily be installed on your computer.
2.10. Plug-in Modules
The facilities offered by MAXICAL
®
III can be extended by
means of plug-in modules. There is space for two modules, which
can be installed and configured on site.
The uppermost space can be used for 4 active analogue outputs
for flow, power, flow temperatures and return/differential tempera-
ture. Furthermore, the module has two relay outputs; a program-
mable limit switch and an information code switch.
The bottom space is designed for M-Bus, telephone modem or
EcheLon modules.
