BSD-340-user-guide-eng, Doc. 1004474-2, 2020-09-18,
Autronica Fire and Security AS
Page 4
PROTECTION FROM, FIRE , SMOKE, FLOOD; OR (III) WILL WORK PROPERLY
IN ALL ENVIRONMENTS AND APPLICATIONS.
1.3 Target audience
This user guide is intended for use by experienced professionals with extensive knowledge about
the AutroSafe IFG solution and PowerLoop Drivers.
1.4 Changes
Software version 1.1.0 for BSD-340 improves safety and fault handling by introducing several new
features.
1.4.1 Stored loop topology
Loop topology must be saved to the EEPROM during commissioning of the loop. Saving the loop
topology to the EEPROM improves control of the loop content, i.e. unit type w/serial number and
LSI (Loop Sequence Index).
1.4.2 New fault message: “Memory fault”
A fault message will be reported in the AutroSafe IFG system in the
• Loop topology is not saved
• Loop is changed
• Content in EEPROM is corrupted
The fault message will have two different data types depending on the fault reason:
• Data field 32: Topology missing (missing device, new device, loop break etc)
or
• Data field 16: corrupted content
1.4.3 Other changes
In an operational system the BSD-340 will raise the loop automatically in the following situations:
• First loop break
• Short-circuit
• Restart message from a loop unit
During loop raise the loop will be indicated as disabled on the AutroSafe Panel.
Loops will no longer be raised on reset. Any break or short will be present until next manual
disable/enable, or any restart on loop is detected.
Automatic disable/enable not followed by any fault message is an indication of intermittent cable
problems on the loop. Wirings should be checked.
In an open loop situation, a second loop break (multiple loop breaks) will not be reported as a
loop break, but by loop units not responding.
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