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Siemens
RXM21.1 - PL-Link IO Block
CM2N3835en_01
Building Technologies
07 Mar 2012
The device carries out the following commands from the service button:
Button pressure
Action
Short (<
0.5
s)
•
Switch on/off programming mode
•
Do not indicate connection test result
(0.5...2.s)
•
No action
Medium
(2...20
s)
•
Start connection test
Long (>
20
s)
•
Start reset to factory settings
Operation and display interaction:
Short Medium Long
Indication time *)
Button pressure
Indication / success
Failure
Status
Programming mode Connection test Reset
Result Factory settings
*) Indication time = 60 s; can be ended by briefly pressing the button.
Warning!
Only trained electrical installation staff may press the service button when the
terminal cover is removed!
Adjacent terminal may be powered.
The device is supplied without terminal covers protecting the connection terminals
against touch and soiling. The service LED is visible also with installed terminal
cover. The service button is pressed using a tool. Remove the cable entry glands
to connect cables to the room automation station.
38
73
J0
2
Remove terminal cover
Service button
HMI concept
Terminal cover
