Terminal cover
Note
Terminal cover/article number
The complete article number is engraved on each terminal cover (upper and lower) via laser. The
article numbers permit correct assignment of the terminal cover to the unit if you have removed
the terminal cover. If a terminal cover is lost or damaged, you can simply print out the gures of
the following table in their original size, and glue them into a neutral replacement terminal
cover. You can obtain replacement terminal covers from Siemens Support.
You can use the terminal labels for modules with screw terminals and spring-type terminals.
Parts of the article numbers that are not necessary for assignment to the terminal functions are
represented by periods as placeholders.
The following tables shows the terminal assignments in the terminal covers of the
3RS2 temperature monitoring relays:
Module version Inscription of the terminal covers
Upper terminal cover Lower terminal cover
Analog devices 3RS2500-1AA30
3RS2500-2AA30
3RS2500-1AW30
3RS2500-2AW30
56[$[
77
$$$
777
Digital devices 3RS2600-1BA30
3RS2600-2BA30
3RS2600-1BW30
3RS2600-2BW30
56[%[
77
A2(-)/Y2 <$
777
56[[%[[
1&
&121&
&12
Digital devices with IO-
Link
3RS2800-1BA40
3RS2800-2BA40
56[%$
/
77777
&4/
56[[%[[
1&
&121&
&12
Sensor expansion mod‐
ule
3RS2900-1AA30
3RS2900-2AA30
3RS2900-1AW30
3RS2900-2AW30
56[$[
12
$$,$
12$,
56[$[
7
777
77
Connection
11.4 Terminal assignment
3RS2 temperature monitoring relay
Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002 77
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