Operating Instructions

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Siemens RXB (KNX) application library RXB Description of functions for FC-10, FC-11, FC-12, FC-13 CM110385en_08
Building Technologies General and central functions 2013-06-17
11.17.1 Digital inputs on the KNX bus
D1
D2
RXB... Room controller
Digital input 1
Digital input 2
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The following S-mode input and output communication objects are used when taking
advantage of spare inputs and outputs:
Digital input 1 (Output communication object)
Digital input 2 (Output communication object)
Digital input 3 (Output communication object)
Digital input 4 (Output communication object)
Flags
Type Send heartbeat States
R
W
C
T
U
1 0 1 1 0
1.001
DPT_Switch
no
0 (see 11.2)
1
Parameter setting in the tool
Cause
Digital input
Effect:
Bus output
Not used: Bus = 1 = closed
closed
1
open
0
Not used: Bus = 1 = open
open
1
closed
0
11.17.2 KNX signals on digital/analog outputs
Y1
Q24
RXB... Room controller
Triac Y1
Relay Q24
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Triac Y1 (Input communication object)
Triac Y2 (Input communication object)
Triac Y3 (Input communication object)
Triac Y4 (Input communication object)
Relay Q24 (Input communication object)
Relay Q34 (Input communication object)
Flags
Type Receive timeout States
R
W
C
T
U
0 1 1 0 0
1.001
DPT_Switch
no
0 = Off (voltage-free)
1 = On (AC 24V)
CO