Siemens RDG2 KN Series Basic Documentation

Functions
Communication objects
4
128 | 180
A6V11545892_en--_c
4.13.2 Description of communication objects
Obj
Object name
Function
Type/
length
Flags
Obj
Object name
Function
Type/
length
Flags
1
System time
Time and date
19.001
8 bytes
CWU
9
10
11
12
Room operating
mode:
Preselection
- Auto
- Comfort
- Economy
- Protection
Trigger
1.017
1 bit
CW
System time for display on the room thermostat. See P009 (3 or 4)
2
Date
Date
11.001
3 bytes
CWU
Day, month and year for display on the room thermostat. See
P009 (3 or 4)
Switch room operating mode of manager to either Auto, Comfort,
Economy or Protection.
The last interaction wins – either from the local operating mode
button or via bus.
3
Time of day
Time of day
10.001
3 bytes
CWU
13
Room operating
mode: Time
switch
Comfort
PreComf.
Economy
Protection
20.102
1 byte
CWU
Another object for receiving the time of day for display on the room
thermostat. See P009 (3 or 4)
4
Fault information
Alarm Info
219.001
6 bytes
CRT
Common alarm output. If an alarm occurs, the alarm number is
transmitted.
This information is provided by a central schedule or a supervisor
and defines the actual HVAC operating mode of manager.
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).
5
Fault status
Alarm
1.005
1 bit
CRT
14
15
16
Room operating
mode: Time
switch
- Comfort
- Economy
- Protection
Trigger
1.017
1 bit
CW
Common alarm output. If an alarm occurs, the alarm flag is set.
6
Fault
transmission
Disable
Enable
1.003
1 bit
CWU
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.
Switch the HVAC mode to either Comfort, Economy or Protection
mode of manager.
7
Room operating
mode:
Preselection
(receive)
Auto
Comfort
PreComf.
Economy
Protection
20.102
1 byte
CWU
17
Room operating
mode: Status
Comfort
Economy
Protection
20.102
1 byte
CRT
Controls the room operating mode selection of the thermostat
(Manager) 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).
Actual room operating mode used by the thermostat (Manager)
(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).
8
Room operating
mode:
Preselection
(send)
Auto
Comfort
Economy
Protection
20.102
1 byte
CRT
18
19
20
Room operating
mode:
- Comfort status
- Economy status
- Protection
status
ON
OFF
1.011
1 bit
CRT
Sends the room operating mode selection of the thermostat
(Manager) 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.
Corresponding communication object of manager sends "True".

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English