InteliLite Global Guide
136
02 – illegal address is returned if the client tries to perform an operation with a object address that is not
related to any existing object or that is located inside an object which is composed by multiple addresses
(registers).
04 – device error is returned in all other errorneous situations. More detailed specification of the problem can
be consequently obtained by reading the registers 4205 – 4206
Reserved registers
There are several registers with specific meaning. These registers are available in all controllers regardless of
the configuration.
Register
addresses
Number of
registers
Access Data type Meaning
4200 - 4201 2 read/write Time RTC Time in BCD code
4202 - 4203 2 read/write Date RTC Date in BCD code
4204 1 read/write Unsigned8
Index of the language that is used for text
data provided by MODBUS (e.g. alarmlist
messages).
4205 - 4206 2 read Unsigned32
Last application error. To be read after the
device returns the exception code 04. It
contains specific information about the error.
4207 - 4208 2 read/write Unsigned32
Writing:command argument
Reading: command return value
4209 1 write Unsigned16 Command code
4010 1 - - Not implemented
4211 1 write Unsigned16 Password
4212 - 4213 2 read Unsigned32 Communication status
4214 1 read Unsigned8 Number of items in the Alarmlist
4215 - 4241 27 read Alarm 1. record in alarm list
4242 - 4268 27 read Alarm 2. record in alarm list
4269 - 4295 27 read Alarm 3. record in alarm list
4296 - 4322 27 read Alarm 4. record in alarm list
4323 - 4349 27 read Alarm 5. record in alarm list
4350 - 4376 27 read Alarm 6. record in alarm list
4377 - 4403 27 read Alarm 7. record in alarm list
4404 - 4430 27 read Alarm 8. record in alarm list
4431 - 4457 27 read Alarm 9. record in alarm list
4458 - 4484 27 read Alarm 10. record in alarm list
4485 - 4511 27 read Alarm 11. record in alarm list
4512 - 4538 27 read Alarm 12. record in alarm list
4539 - 4565 27 read Alarm 13. record in alarm list
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