Hekatron FSZ Basis, Instruction Manual, Page: 16 / 40

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9 Electrical installation
9.3 Termination module AM 142
Only in the version 31-5400002-01-xx and 31-5400002-05-xx is one AM 142 included in the scope of
delivery!
9.3.1 Printed circuit board with connection terminals




Fig. 3: Termination module AM 142
9.3.2 AM 142 connection
Coming from the power supply unit or the second
to last smoke switch Going to the last smoke switch
 + 24V yellow feedback (alarm loop)
 GND white feedback (alarm loop)
 +  (connected internally)
feedback (alarm loop)
black GND
red +24V
The terminating module AM 142 is not suitable for Ex areas and must therefore not be
installed in the ORS 142 Ex.