Siemens RDG20 KN Series Basic Documentation page 172

Technical data
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Outputs (RDG26..KN)
Use for external equipment (Q1, Q2,
Q3)
●
Rating min., max. resistive/inductive
Qx
●
Max total load current Q1+Q2+Q3
No internal fuse!
External preliminary protection with max. C 10 A circuit breaker required for all
cases.
DC 0...10 V fan control (Y50-M)
Actuator control (Y10-G0/Y20-G0/Y30-
G0 (G))
Damper control (RDG264KN):
DC (U1)
On/Off (Q3)
Multifunctional inputs
X1-M/X2-M/U1-M
Temperature sensor input
Type
Temperature range
Temperature sensor input
Type
Temperature range
Digital input
Operating action
Contact sensing
Insulation against mains
KNX bus
Interface type
Bus current
Bus topology: See KNX manual ("Reference documentation")
Operational data
Switching differential, adjustable
Heating mode
Cooling mode
P-band Xp
Heating mode
Cooling mode
Setpoint setting and setpoint range
5 mA...1 A
2 A
SELV DC 0...10 V, max. ± 5 mA
SELV DC 0...10 V, max. ± 1 mA
SELV DC 0...10 V, ± 1 mA
See Qx
NTC 3k
-20...70 ° C
LG-Ni1000
-40...70 ° C
Selectable (NO/NC)
DC 0...5 V, max. 5 mA
SELV
KNX, TP Uart 2 (electrically isolated)
5 mA
(P051) 1 K (0.5...6 K)
(P053) 1 K (0.5...6 K)
(P050) 2 K (0.5...6 K)
(P052) 1 K (0.5...6 K)
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