FirePro Sigma XT Panduan Instalasi dan Pengoperasian - Halaman 13
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Halaman CetakAlternative Arrangement of STATUS SERIAL (RS485) Circuit.
The standard arrangement for installing signs is to have a single
STATUS SERIAL (RS485) cable connecting the FIP to the signs, as per
wiring diagram. However, it can be configured to have 2 separate
cables for the RS485 circuit with the FIP effectively in the middle of
the circuit rather than at one end.
FIP MUST BE POWERED DOWN BEFORE ANY CHANGES TO SIGNS. If
process is done with power connected the is a possibility that a short
could occur and damage the FIP.
IMPORTANT - When this configuration is used the LK2 link on the
extinguishant module MUST be removed or positioned over 1 pin only,
or the FIP will register a fault.
An example of this type of wiring arrangement is as follows:
Sigma_XT_signs_m3.5.docx
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