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5
Structure and function
Overview
22
Building Technologies
008250_i_en_--
Fire Safety
2013-08-15
Connections to the detector line and PC
The following figure shows the connection between the FDUL221 and the PC for
different variants of the FDUL221 line tester.
Variant 3
FDnet / C-NET
FDUD29x
POW ER
DC IN 2 4 V
A
B
E ART H
FDUL221
USB
PC
POW ER
DC IN 2 4 V
A
B
E ART H
FDUL221
FDUZ227
FDUZ221
PC
POW ER
DC IN 2 4V
A
B
E ART H
FDUL221
RS232
PC
Variant 2
Variant 1
Addressed detector line with testers
Variant 3
Direct PC connection with cable to USB interface
Variant 2
PC connection via FDUZ227/FDUZ221
Variant 1
Direct PC connection with cable to RS232 interface