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Macurco MRS-485 Modbus RS-485 Adapter
6.1.2
Error Codes
Solid RED - The MRS-485 detected an error and no Modbus communications are in progress.
RED with random bursts of AMBER - The MRS-485 detected an error and AMBER is displayed when data are
received or transmitted over the RS-485 line
There are a number of conditions which are signalized in this way:
•
Current EEPROM Settings not initialized
•
Current EEPROM Settings have bad checksum
•
Factory EEPROM Settings not initialized
•
Factory EEPROM Settings have bad checksum
•
Unknown Sensor exponent value
•
Watchdog reset
•
Loaded Factory EEPROM Settings in EEPROM Current Settings
•
Latched sensor type different than registered sensor type
•
Unknown sensor type because registration failed
6.2
DIP Switch Settings Codes
RED/GREEN – Alternating every 200 milliseconds indicates that MRS-485 is in programming mode and waiting
for user to enter new settings using the 8 switches.
RED/OFF –
alternating every 200 milliseconds indicate that saving new settings failed.
GREEN/OFF – alternating every 200 milliseconds indicates that saving new settings passed.
RED/OFF alternating every 500 milliseconds indicates that selected Modbus address is not an accepted value.
REV – 1.0
[34-2900-0019-8]
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