Bundguard 5 12.01.2022 Rev.4
4.1.10.13 Error
One of two errors after receiving a valid request for this function can be sent. An “illegal data address”
error (0x03), or “Server device failure” error (0x04).
An illegal data address error is sent when the requested event number is greater than the number of
events available. A server device failure error is sent when the processor fails to read the requested
event from the non-volatile memory.
These errors are sent in the format shown below.
4.1.10.14 Error Format
All errors detailed for these manufacturer specific function codes are sent in the MODBUS format as
shown below.
Error function (function code || 0x80)
4.1.10.15 Pressure monitoring (External Filter)
The pressure monitoring is used when an external filter is fitted to the pump outlet suck as Andel’s
FilterSepta unit.
Pressure monitoring is only configured from the Installer menu system. The options available for
configuration are:
Pressure calibration 20mA
The output type of the pressure sensor used can either be a switched type, with a mechanical pressure
threshold dial, or a 4-20mA current loop transducer type. The output type menu will allow the operator
to select between these.
If a pressure transducer is selected for use, the menu pages for threshold, calibration, and option to
view current pressure are applicable. Otherwise, with a switched pressure sensor, only the quantity of
sensors can be adjusted to any effect. A switched pressure sensor is Boolean in output and requires no
software configuration to work reliably.
The pressure sensor quantity page allows the user to set the number of pressure sensors connected to
the BundGuard. This setting is irrespective of the sensor type selected.
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