Safety module (firewall) FN2009-A1
21
Pin assignments
131
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
21.3
Pin assignments
21.3.1
Connector strip for supply
Pin
Designation
Description
1
L1+
Supply input 1 (+DC 24 V)
2
M1
Supply input 1 (DC 0 V)
3
M2
Redundant supply input 2 (DC 0 V), optional
4
L2+
Redundant supply input 2 (+DC 24 V), optional
The L1+/M1 and L2+/M2 connections are designed for redundant supply and are
not plated-through. Use of the redundant L2+/M2 supply inputs is optional and not
necessary for EN-54 compatibility.
21.3.2
Connector strip for detector contact
The detector contact is a potential-free relay contact which can be used to report
error states by interrupting contact.
The following errors can be signaled by the detector contact:
Error in voltage supply
Internal error
The detector contact remains activated until the error is rectified.
The detector contact is always activated (opened) by switching off the FN2009-A1.
Pin
Designation
Description
1
F1
Detector contact 1
2
F2
Detector contact 2
21.4
Indicators
LED indicators
LED Color
Function
Condition
Meaning
F
Multi-
colored
Fault
Lights up red
Module recognizes an error (detector contact is open)
The following errors are recognized:
Internal error (e.g. start-up failed)
Invalid C-Plug (invalid formatting)
Lights up green
Module is in productive mode (detector contact closed)
Does not light up
Module has failed, no supply (detector contact is open)
Lights up yellow
Module is powering up (detector contact open)
If there is no IP address, the module remains in this status
Flashes yellow/red Module resets to factory status (detector contact open)