Device communication
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isoxx1685Dx-x25_D00272_07_M_XXEN/09.2022
9.2 RS-485 interface with Modbus protocol
Modbus is an internationally widely used protocol for data transfer between devices.
All measured values, messages and parameters are stored in virtual register addresses. Data
can be read out with a read command on a register address. With a write command, data can
be written into a register address.
The register addresses of the individual measured values and parameters can be found in the
"isoxx1685Dx_D00272_00_A_XXDE" manual with the title "ISOMETER® isoxx1685Dx device fa-
mily - Modbus settings" at http://www.bender.de/manuals.
9.70 System General software error Restart the device
9.71 System Control flow Restart the device
9.72 System
Programme sequence insulation mea-
surement
Restart the device
9.73
(isoxx1685DP
only)
System
Programme sequence locating current
injector
Restart the device
9.74 System
Programme sequence voltage measu-
rement
Restart the device
9.75 System
Programme sequence temperature
measurement
Restart the device
9.76 System Programme sequence history memory Restart the device
9.77 System Programme sequence console Restart the device
9.78 System Programme sequence self test Restart the device
9.80 System Stack error Restart the device
9.81 System Internal programme sequence Restart the device
9.82 System Internal programme sequence Restart the device
BMS
Error code
Component Error Action