Description Of Communication Objects - Siemens RDG200KN Basic Documentation

Functions
4
Communication objects (S-Mode)

4.13.2 Description of communication objects

Obj Object name
1 System time Time and date
System time for display on the room thermostat. See P009 (3 or 4)
2 Date Date
Day, month and year for display on the room thermostat. See
P009 (3 or 4)
3 Time of day Time of day
Another object for receiving the time of day for display on the room
thermostat. See P009 (3 or 4)
4 Fault information Alarm Info
Common alarm output. If an alarm occurs, the alarm number is
transmitted.
5 Fault status Alarm
Common alarm output. If an alarm occurs, the alarm flag is set.
6 Fault transmission Enable
Disable
A supervisory alarm system can disable the broadcasting of
alarms sent by the devices. This has no impact on the local
display of alarms. After a timeout of 48 hours, the sending of faults
is automatically enabled again.
7 Room operating Auto
mode: Preselection Comfort
(receive)
PreComf.
Economy
Protection
Controls the room operating mode selection of the thermostat via
bus.
The command can also be submitted as four 1-bit communication
objects (9...12). The last interaction wins – either from local
operating mode button or via bus.
Note: The thermostat will transform Pre-Comfort either into
Economy or Comfort (selectable via P910).
8 Room operating Auto
mode: Preselection Comfort
(send)
Economy
Protection
Sends the room operating mode selection of the thermostat via
bus.
The command can also be submitted as four 1-bit communication
objects (9...12). The last interaction wins – either from local
operating mode button or via bus.
102 | 150
Function Type/ Flags
length
19.001 CWU
8 bytes
11.001 CWU
3 bytes
10.001 CWU
3 bytes
219.001 CT
6 bytes
1.005 CT
1 bit
1.003 CWU
1 bit
20.102 CWU
1 byte
20.102 CRT
1 byte
Obj Object name
Room operating Trigger
9 mode: Preselection
10 - Auto
11 - Comfort
12
- Economy
- Protection
Switch room operating mode to either Auto, Comfort, Economy or
Protection.
The last interaction wins – either from the local operating mode
button or via bus.
13 Room operating Comfort
mode: Time switch
PreComf.
Economy
Protection
This information is provided by a central schedule or a supervisor
and defines the actual HVAC operating mode.
The command can also be submitted via three 1-bit
communication objects (14...16).
Protection has the highest priority and cannot be overridden.
Note: The thermostat transforms Pre-Comfort either into Economy
or Comfort (selectable via P910).
Room operating Trigger
14 mode: Time switch
15 - Comfort
16
- Economy
- Protection
Switch the HVAC mode to either Comfort, Economy or Protection
mode.
17 Room operating Comfort
mode: Status
Economy
Protection
Actual room operating mode used by the thermostat (considering
time switch, user selection, window contact, etc.) This state
information is available via one 8-bit enumeration or three 1-bit
communication objects (18...20).
Room operating ON
18 mode: OFF
19 - Comfort status
20
- Economy status
- Protection status
Corresponding communication object sends "True".
Function Type/ Flags
length
1.017 CW
1 bit
20.102 CWU
1 byte
1.017 CW
1 bit
20.102 CRT
1 byte
1.011 CT
1 bit
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