Basler Electric BE1-851 Modbus Protocol - Manual (Page 19)

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™ Protocol
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holding registers (49835-54). The information is in ASCII format and available by reading the message
string from the ERROR DETAILS block. The message remains available until the next Preset Multiple
Register query is executed unless that query is to the FAULT SELECTION Template holding register.
Since this register can be written automatically and randomly in time, the ERROR DETAILS block will not
be updated.
The ERROR DETAILS block will also contain the exit status following a Preset Multiple Register query to
the EXIT (40001) register. You may clear the ERROR DETAILS message at any time without affecting
system operation by sending a Preset Multiple Register query to any unassigned holding register.