Technical
Manual
Temperature
Controller
SCN
‐
RT1
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
Tel.: +49-2263-880 • Fax: +49-2263-4588 • [email protected] • www.mdt.de
2
1
Content
1
Content
.................................................................................................................................................
2
2
Overview
...............................................................................................................................................
4
2.1
Overview
devices
...........................................................................................................................
4
2.2
Usage
&
Areas
of
use
.....................................................................................................................
4
2.3
Exemplary
circuit
diagram
.............................................................................................................
5
2.4
Structure
&
Handling
.....................................................................................................................
5
2.5
Functions
.......................................................................................................................................
6
2.5.1
Übersicht
Funktionen
.............................................................................................................
7
2.6
Settings
at
the
ETS
‐
Software
.........................................................................................................
8
2.7
Starting
up
.....................................................................................................................................
8
3
Communication
objects
........................................................................................................................
9
3.1
Default
settings
of
the
communication
objects
............................................................................
9
4
Reference
ETS
‐
Parameter
..................................................................................................................
11
4.1
General
Settings
..........................................................................................................................
11
4.2
Channel
selection
........................................................................................................................
12
4.3
Temperature
measurement
........................................................................................................
13
4.4
Alarm/Messages
..........................................................................................................................
15
4.5
Controller
general........................................................................................................................
17
4.5.1
Controller
type
.....................................................................................................................
17
4.5.2
Operating
modes
&
Setpoints
..............................................................................................
18
4.5.3
Setpoint
offset
......................................................................................................................
24
4.4.4
Blocking
objects
....................................................................................................................
26
4.5.5
Heating/Cooling
request
objects
..........................................................................................
27
4.5.6
Dead
zone
.............................................................................................................................
28
4.6
Controller
settings
.......................................................................................................................
30
4.6.1
Control
value
........................................................................................................................
30
4.6.2
PI
control
continuous
...........................................................................................................
31
4.5.3
PI
control
switching
(PWM)
..................................................................................................
34
4.6.4
2
‐
step
control
(switching).....................................................................................................
36
4.6.5
Direction
of
controller
..........................................................................................................
38
4.6.6
Additional
settings
for
heating
and
cooling
.........................................................................
39
5
Index
...................................................................................................................................................
43
5.1
Register
of
Illustrations
...............................................................................................................
43
5.2
List
of
tables.................................................................................................................................
44