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Siemens
RXM21.1 - PL-Link IO Block
CM2N3835en_01
Building Technologies
07 Mar 2012
Functions
The application on the room automation station determines the device functionality.
Type overview and ordering
The device is supplied without terminal covers.
Terminal covers (RXZ20.1) can be ordered optionally.
Equipment combinations
•
The PL-Link I/O-Block RXM21.1 only works together with PXC3 series room
automation stations.
•
LG-Ni 1000 temperature sensors can be connected.
•
AC 24 V actors from Siemens or third party can be connected.
•
Signaling inputs relay outputs etc. see pages 10, 11.
Technical design
The PL-Link I/O-Block RXM21.1 consists of a terminal base, upper section of
housing, and circuit board with plug-in connection terminals on the side. In addition,
the device offers a tool socket, a service LED and button.
Plug-in connection
terminals
Upper housing section
Plug-in connection
terminals
38
35
Z
01
Lugs for cable strain relief
Plug-in connection terminal
for PL-Link bus
Housing base
Service LED
Service button
Tool socket
The Service LED (3-color) indicates the device's operating status as follows:
Continuously OFF
•
No power supply
•
Nothing to indicate.
Flashing 1 (1/4 s On, 7/4 s Off)
•
Feedback for medium button pressure
(yellow)
•
Feedback during process (yellow)
Flashing 2 (1s On, 1 s Off)
No device detection (red)
Continuously ON
•
Programming mode (red)
•
Success (green)
Product number Stock number
Name
RXM21.1
S55376-C104
PL-Link IO Block
Note
Service LED