Voltage in DO818 without charge
This is our first commissioning of the Compact Hardware with DO818 with TU818.
When we measure voltage between terminals L- and CH in TU818 termination without the DO818, the voltage is "zero". It's right.
But when we install the DO818 in this TU818, without charge it (terminals opened), the voltage is 17 Volts. It must be “zero” Volts.
When we charge it (closed terminals) the voltage is shown 24 Volts. It is right.
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