Technichal Manual Heating Actuators AKH
MDT technologies GmbH •
51766 Engelskirchen
• Papiermühle 1
Tel.: +49-2263-
880 • Fax: +49
-2263-4588
• [email protected] • www.mdt.de
14
3.4 Default settings of the communication objects
The following chart shows the default settings of the communication objects:
Default settings
Nr.
Name
Object Function
Length
Priority
C R W T
U
0
Channel A
Control value
1 Bit
Low
X
X X
0
Channel A
Control value
1 Byte
Low
X
X X
0
Channel A
Temperature value
2 Byte
Low
X
X X
1
Channel A
Flow temperature
2 Byte
Low
X
X
2
Channel A
Block
1 Bit
Low
X
X
3
Channel A
State control value
1 Bit
Low
X
X
X
3
Channel A
State control value
1 Byte
Low
X
X
X
4
Channel A
Message emergency mode
1 Bit
Low
X
X
X
5
Channel A
Forced position
1 Bit
Low
X
X
5
Channel A
Dew point alarm
1 Bit
Low
X
X
6
Channel A
PWM-Cooling for 4 Pipe
system
1 Byte
Low
X
X
X
7
Channel A
Setpoint comfort
2 Byte
Low
X
X
8
Channel A
Setpoint value offset
2 Byte
Low
X
X
9
Channel A
Actual setpoint
2 Byte
Low
X
X
X
10
Channel A
Mode selection
1 Byte
Low
X
X X
11
Channel A
DPT_HVAC Status
1 Byte
Low
X
X
X
12
Channel A
DPT_RHCC Status
2 Byte
Low
X
X
X
13
Channel A
Mode comfort
1 Bit
Low
X
X X
14
Channel A
Mode night
1 Bit
Low
X
X X
15
Channel A
Mode frost/heat protection
1 Bit
Low
X
X X
16
Channel A
Frost alarm
1 Bit
Low
X
X
X
17
Channel A
Heat alarm
1 Bit
Low
X
X
X
+20
next Channel
80/160
Summer/Winter
Switchover
1 Bit
Low
X
X X
81/161
Heating/Cooling
Switchover
1 Bit
High
X
X X
82/162
Heating/Cooling
requirement
0 if all valves closed, else 1
1 Bit
High
X
X
X
83/163
Fault
At power failure/short circuit 1 Bit
High
X
X
X
84/164
Max. control value
Output
1 Byte
High
X
X
X
85/165
Max. control value
Input
1 Byte
High
X
X
Table 6: Default-settings of the communication objects
