2020-10-15 20:48 3/8 Color Control GX FAQ
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invalid power / kWh values.
If a current sensor assistant is loaded in a Multi/Quattro make sure the position is set correctly6.
and the scale match with the dipswitches on the sensor itself.
A current sensor assistant measures and reports VAs, not Watts.7.
Notes for systems with multiple units in parallel:
Ccgx version prior to v1.20 use the power and current reported by the master of a phase and1.
multiplied that by the number of devices in that phase. Since version v1.20 the values of all
device is summed per phase and hence should be more accurate.
This revealed a bug for in the firmware of the multi when running in parallel. Ccgx v1.211.
workarounds this, by falling back to the original behavior when it sees an affected firmware
version. For better readings the multi's should be updated. The bug has been fixed in VE.Bus
firmware version xxxx159, xxxx209, xxxx306. That firmware was released on February 17th
2015.
Multi firmware versions since 26xx207 / xxxx300 can also freeze the Power values at a certain1.
moment in time.
Tips to prevent measurement problems:
Do not connect VEConfigure while the CCGX is connected1.
VE.Bus is not a 100% plug and play system: if you disconnect the CCGX from one Multi, and2.
very quickly connect it to another, it can result it wrong values. To make sure that this is not the
case, use the 'redetect system' option in the Multi/Quattro menu on the CCGX.
Q7: There is a menu entry named "Multi" instead of the VE.Bus product name
A VE.Bus system can be completely turned off, including its communication. If you turn a VE.Bus
system off, and thereafter reset the CCGX, the CCGX cannot obtain the detailed product name and
shows “Multi” instead.
To get the proper name again, go into the Multi menu on the CCGX and set the Switch menu entry to
On or in case a Digital Multi Control is present, set the physical switch to On. Note that when there is
a BMS, above procedure only works when within battery working voltages.
Q8: There is a menu entry named "Multi", while there is no Inverter, Multi or
Quattro connected
If a CCGX ever saw a VE.Bus BMS or Digital Multi Control (DMC), it will remember them, until
'Redetect system' is started from the CCGX menu.
After a minute, restart the CCGX: Settings → General → Reboot.
Q10: I have multiple Solar chargers MPPT 150/70 running in parallel. From
which one will I see the relay status in the CCGX menu?
From a random one.
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