6 special device functions – JUMO 709061 TYA 201 - Single-Phase Power Controller Operating Manual User Manual
Page 72

6 Special device functions
70
2012-12-01/00561071 [SCR Power Controller TYA201]
The specifications in % refer to load current changes
Overcurrent
The specifications in % refer to load current changes
1
50 %
50 %
21%
Example:
2 heating
elements
Number of
heating ele-
ments
Single-phase
operation
Star connection
with separate
star points without
neutral conductor
Star connection with
common star points
without neutral con-
ductor
Delta connection
N
L1
L3
L2
L1
L3
L2
L1
L3
L2
L1
Number of
heating ele-
ments
Single-phase op-
eration
Star connec-
tion without
neutral conduc-
tor
Delta connection
6
10 %
-
-
5
13 %
10 %
-
4
17 %
10 %
10 %
3
25 %
14 %
13 %
2
50 %
25 %
26 %
Example for 2
heating ele-
ments
N
L1
L3
L2
L1
L3
L2
L1
H
As a general rule, load monitoring does not yet take place during the soft start
phase (which can last for longer due to active current limiting) as the standard
operating range of the load has not yet been reached. Teach-in cannot yet be
performed in this phase either.