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6 Special device functions
Undercurrent
64
This value represents the current deviation from the Teach-In value.
If the value is > 0 %, the load has become more high resistance;
if the value is < 0 %, it has become more low resistance.
This window can be accessed via
r
Operating level
Monitoring
For heating elements with a temperature coefficient TC ≈ 1, the limit value can
be taken directly from the following tables:
Number of
Single-phase
heating ele-
operation
ments
5
4
3
2
1
Example:
2 heating
elements
The specifications in % refer to load current changes
r
Limit value load monit.
10 %
13 %
17 %
25 %
50 %
L1
N
IPC 300
D
1D
V1.00/EN/00741192/2021-03-30 [IPC 300]
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