Controller operating manual
15.11.2020 – Version 1.1
TCS.2 series –
thermofin
®
control system 2
nd
generation
Page: 67/162
Operating manual - translation into English © thermofin GmbH
If reversion of rotation is activated (via terminal or BUS), the low load control is interrupted for
this time. All fans are then equally active.
Control (activation)
Low load control “internal”
(the switching thresholds for the individual levels are
automatically calculated by the program based on the number of steps and the limit
value)
2 to 6 possible levels
Low load control “via terminal”
(the first base load level remains switched on, the
second is activated externally with DI-6)
2 possible levels
Low load control “via BUS”
(the first base load level remains switched on, the second
is activated externally via the bus)
2 possible levels
The following values apply to direct communication via MODBUS:
Register Bit
Designation
Meaning
Register
value
2
0
Low load control level 1
TRUE = Requirement for low load
control level 1
Writing
1
164
4
Low load control level 1
active
TRUE = Low load control level 1
active
Reading
16
5
Low load control level 2
active
TRUE = Low load control level 1
active
Reading
32
6
Low load control level 3
active
TRUE = Low load control level 1
active
Reading
64
7
Low load control level 4
active
TRUE = Low load control level 1
active
Reading
128
8
Low load control level 5
active
TRUE = Low load control level 1
active
Reading
256
These functions are activated in the Device settings -> Control (see chapter 4.2.10 “
.
Editable values
If the control has been selected, the “Low load” field in the “Additional functions” menu appears blue
and can be activated (see Picture 35). The user gets to the “Low load settings”.
