K-Patents DD-23 - Manual (Page 22)

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5.4 Refractometer activation for divert control
When a refractometer is activated for Divert control, the upper left corner of the trans-
mitter display shows alternatively
A , a , B , b or ? . If the corner is blank, the instrument
is not suitable for divert operation.
Transmitter A, in
Divert operation
Transmitter B, not
in Divert operation
Ethernet connection failure
Figure 5.2 Indicating transmitters (STR) activated to Divert control
The decision to display A ( a ) or alternatively B ( b ) depends on the IP address settings
in the transmitter. The IP address of instrument A is 172.16.23.2 and that of instru-
ment B is 172.16.23.3. These addresses have been set in the factory and should not be
changed. (See Chapter 8 for information on system IP address and connecting to the
DD-23 system.)
If a question mark appears on the transmitter display, the reason is usually that the
Ethernet cable between the transmitter and the Control unit is not properly connected
or the Divert control unit is not powered on. Reconnect (or replace cable, if necessary)
to 󰅮ix.
The refractometer program version has to be 3.00 or higher to have divert system
functionality. Divert version 2.01 or higher requires DTR software version 4.12 or
higher. Also, the refractometer has to have the correct software parameters to be used
in a divert control system. In order to convert a stand-alone refractometer into one
used on the Divert control system, please contact K-Patents. The easiest way to check
if a refractometer is con󰅮igured for DD-23 use is to look at the main display. If the
?/a/A/b/B letter is present (see Figure 5.2), the instrument may be used in the Divert
control system.
If a DD-23 activated transmitter is used in another type of application, the divert func-
tion has to be deactivated by K-Patents.
5.5 Signal difference alarm
According to BLRBAC, if a difference of 2% in solids (absolute value) or greater exists
between refractometer readings, an alarm shall be activated.
The alarm limit of 2% is the maximum difference. The limit can be changed into a
smaller number through the remote interface, see Chapter 8.