Macurco MRS-485 Modbus RS-485 Adapter
REV – 1.0
[34-2900-0019-7]
22
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P a g e
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Unknown sensor type because registration failed
6.2
Status LED States
LED State
Description
Solid Green
Operation is normal, the BRS-485 knows the detector type, no errors are detected, and
no data is being received or transmitted over the RS-485 line.
Solid Green with Bursts of Amber
Operation is normal and data is being received or transmitted over the RS-485 line.
Green/Off Alternating every 500ms
The BRS-485 doesn’t know the detector type, no errors are detected, and no data is
being received or transmitted over the RS-485 line.
Green/Red Alternating every
200ms
Operation is normal and a USB connection has been made to a PC.
Solid Red
The BRS-485 detected an error (BRS-485 Status is non-zero) and no RS-485
communications are in progress.
Red with Bursts of Amber
The BRS-485 detected an error (BRS-485 Status is non-zero) and Amber is displayed
when data is received or transmitted over the RS-485 line.
Flashing Red
A fatal error has occurred. The number of flashes indicates the error code, followed by 2
seconds of off time.
1 – 5 = For internal use: contact Macurco for assistance
6 = USB to Serial Pass-Through mode
7 = Invalid or corrupt configuration. Use NPU to modify settings, recover configuration,
or download a DUF file.
8 – 10 = For internal use: contact Macurco for assistance
Summary of Contents for BRS-485
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