Test Procedure
© b2 electronic GmbH
DHV0086 Rev06
74
5�5 Discharge Status
turn off
Mains failure
User stop/
emergency off/
fault condition stop
No
No
HVA is generating? HV ON?
Programmed stop,
emergency stop off
fault condition stop
Key switch ON
Yes
Yes
Programmed stop
Return voltage
protection active
Output Voltage < 100 Volt?
Output Voltage < 100 Volt?
No display
Return voltage protection active -
No message
No discharge status displayed
Discharge resistor
on the output
t
Disch.
(sec.) ≈ 20 x C
Load
(µF)*
HVA is OFF
Return voltage protection active
Discharge status displayed
Discharge Resistor
on the output
Yes
No
No
Yes
Return voltage protection active
Discharge status displayed
Discharge resistor
on the output
Stops at zero crossing.
Discharge with the help
of zero crossing.
Stops immediately.
Controlled discharge
with dual discharge
device.
Stops immediately.
Uncontrolled
discharge.
Return voltage protection active
Discharge status displayed
Discharge resistor
on the output
* Discharge time approximation: t
Discharge
(sec.) ≈ 20 x C
L
(µF)
Example: Load capacitance C
L
= 1.2
µF.. t
Discharge
≈ 20 x 1.2 = 24 sec.
This is an approximation only and does not replace the safety rules.
s
µF
