Datasheet

Room automation
Desigo TRA
Fan coil I/O block with KNX PL-Link
4-21
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Siemens Switzerland Ltd
Building Technologies Division
4
Data sheet N3835
Operating voltage AC 230 V
Frequency 50/60 Hz
Power consumption 12 VA
Digital inputs‚ number 2
Analog inputs‚ number 1
Triac outputs‚ number 4
Triac outputs ON/OFF
Triac output‚ switching voltage AC 24 V
Triac output‚ switching current 0.5 A
Relay outputs‚ number 3
Relay output‚ switching voltage AC 250 V
Relay output‚ switching current 5 (4) A
Degree of protection IP20
Communication KNX PL-Link
Mounting On DIN rail
Dimensions (W x H x D) 113 x 167 x 62 mm
Stock No. Product No.
S55376-C104 RXM21.1
KNX PL-Link I/O block for use with a PXC3.. series room automation station
The KNX PL-Link I/O block RXM21.1 contains the inputs and outputs required by a PXC3 series room auto-
mation station for a Fancoil application.
- KNX PL-Link bus communication
- Valve control (3 potential-free relay contacts)
- Thermal valve actuator control (AC 24 V)
- Motor-driven valve and damper actuators (AC 24 V‚ 2- or 3-point)
- Pluggable screw terminals
RXM21.1