User Manual EML1101
External synchronisation
Exception:
When the parameter "highest EMD-address" of the EML 1101 is set to 0, the following
message is then displayed when you change to ‘Add-on stations’, ‘Display stations’.
Factory setting for the parameter "highest END-
address is 0.
10.3 Virtual add-on units
Add-on units can be defined as virtual channels when the EML 1101 operates in connection with a
PLC or BMS. Virtual add-on units are used for switching channels that are not physically present at
the FRAKO devices.
The information is accessible to a PLC or BMS with the help of the Communication Processor
EMP1100 (18.5 Technical terms/glossary).The switching is then carried out by the PLC or BMS as
suggested by the EML 1101.
Caution:
The configuration of virtual add-on stations can only be
carried out
using the
OPT-SW
software supplied.
10.4 Activating virtual EMD
Activation can only be done using the
OPT-SW
software. The item ‘Configure Add-on Stations’ can
be selected in the menu
EML configuration
.
It is possible to give the individual
EMD
its own name and to activate it according to your
requirements. Only that number of add-on units are shown under this menu item as for under:
•
Basic settings|Other settings|Option|Highest EMD-
address (see section 7.9.10.2)
In order to configure an
EMD
as a virtual device, the
item
EMD
must be active and activated by mouse
click to be virtual. In order to make the settings active
in this window the ‘Write’ button must then be pressed
in order to inform
EML 1101
.
When this is done then the status values can be read
out via
EMP 1100
and processed with a PLC OR
BMS
.
Important:
For virtual stations no error message is given with poor communication of
PLC
with
EML 1101
.
11 External synchronisation
If the
CR
button is pressed then a new measuring period starts. Normally the start begins with the
time pulse of the electricity company.
Caution:
A peak power value may occur after a
forced time synchronisation. If
synchronisation is executed towards the end of measuring period and loads are in off
condition, then load channels are activated due to new start of measuring period. As the
measuring period of electricity company has not ended, a peak value may occur.
No display possible due to highest EMD
address set to 0
External synchronisation
Press ENTER for period begin
If a temporary profile switching should take place immediately, that is usually carried out with the
electricity company pulse, a forced synchronisation can occur.
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