Interface To Service Devices; Line Tester - Siemens FDOOT241-9 Technical Manual

3.4.11

Interface to service devices

3.4.12

Line tester

Building Technologies
Fire Safety & Security Products
All point detectors have a non-contact interface to the detector exchanger and
tester FDUD29x (service device for commissioning and maintenance). The
detector exchanger and tester communicates with the detector via this interface
(MC link). Detailled information is listed in the operating instructions for the detector
exchanger and tester (see documents 007227 and 009718).
See also
Status polling with the detector exchanger and tester [
The line tester FDUL221 is able to recognize and localize the following errors on
the FDnet:
Wiring error
Open line
Short-circuit
Ground fault
In addition, the line tester recognizes the devices connected to the FDnet detector
line. For details, see document 008250.
Structure and function
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16.04.2009