Super Systems AC20 RS485 Modbus User Manual
Page 17

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TITLE: MODBUS/J-BUS Protocol for SSi’s- AC20 ENG. 824E REV. 1
On configuration error condition (101÷106), the device will replace the error message with
the requested value in the following cases:
•
request of configuration mode menu addresses
•
request of control mode menu addresses
•
request of security code mode addresses
It will accept the following sets:
•
set in remote (ModBus bit 218)
•
set in configuration mode (ModBus word 347)
•
set in security code mode (ModBus word 348)
•
set of all of configuration addresses
•
set of all of security code mode addresses
On control mode error condition (151÷160), the device will replace the error message with
the requested value in the following cases:
•
request of configuration mode menu addresses
•
request of control mode menu addresses
•
request of security code mode addresses
It will accept the following sets:
•
set in remote (ModBus bit 218)
•
set in configuration mode (ModBus word 347)
•
set in security code mode (ModBus word 348)
•
set of all of configuration addresses
•
set of all of control mode menu addresses
•
load of control mode default parameters (ModBus bits 223
÷
232)
•
set of all of security code mode addresses
On calibration error condition (200÷208), the device will replace the error message with the
requested value in the following cases:
•
request of configuration mode menu addresses
•
request of control mode menu addresses
•
request of security code mode menu addresses
It will accept the following sets:
•
set in remote (ModBus bit 218)
•
set in configuration mode (ModBus word 347)
•
set in security code mode (ModBus word 348)
•
set of all of configuration mode addresses
•
set of all of security code mode addresses
If a configuration or control mode or calibration error occurs at start up and no action is
taken, the device will reset after a 30 second time-out.
In configuration mode, the time-out will be disable.