Siemens SIMATIC ET 200SP Manual page 32

Fail-safe modul f-cm as-i safety st 3rk7136-6sc00-0bc1
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Connection
4.2 Schematic circuit diagram
Connection to busbars
Requirement:
● An AS-i power supply unit is connected to the light BaseUnit Type C0 of the BaseUnit
group.
● A CM AS-i Master ST module is plugged into the light BaseUnit.
If you plug an F-CM AS-i Safety ST module into a dark BaseUnit Type C1, the
F-CM AS-i Safety ST module will be automatically supplied with AS-i voltage via the
busbars.
It is not permitted to continue the AS-i voltage from the front panel connecting terminals 1L,
2L (ASI+) and 1N, 2N (ASI-) of the dark BaseUnit because this type of current draw can
cause an overload of the modules.
Note the additional explanations in Section Terminal assignment (Page 27).
32
Fail-safe Module F‑CM AS‑i Safety ST (3RK7136‑6SC00‑0BC1)
Manual, 03/2017, A5E03957059020A/RS-AB/002

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