Koch 2.0 Series Operating Manual page 68

5 Commissioning
26
Operating manual Energy storage solutions
V1.3DE/EN
A low signal on terminal "6"
• The energy available is outside of the permissible range of tolerance to be ready
for use.
This can be caused by the following:
• The Energy storage solution is in charging mode and is not yet ready to use.
• Power failure.
• The Energy storage solution is faulty.
The following illustration shows this in detail (
U
Z
E
V
TB
S
6
1
Fig. 14: The monitoring interface signal on terminal "6"
U DC link voltage
Z
E The available energy
V
TB The tolerable range to be ready to use
S The output signal on terminal "6"
6
A The start of a power failure
E The end of a power failure
Energy storage solution is in charging mode q
Check whether the power has failed.

If the power has not failed:

Wait for about 10 seconds, until the energy storage has been charged (if extension
modules are connected, the waiting period increases accordingly).
After about 10 seconds, the signal will change from low to high.

Fig. 14).

A
E
2
1 Energy storage solution in charging
mode
2 Power failure
3 The Energy storage solution is faulty
t
t
3 t