Firmware Versions - Samson TROVIS 3731-3 Mounting And Operating Instructions

Safety instructions and measures

2.3 Firmware versions

Firmware revisions
Old New
1.41 1.42
After performing a cold start, the allocation of the fail-safe position AIR TO OPEN (AtO)/
AIR TO CLOSE (AtC) is not reset to the default setting. The setting is kept.
1.42 1.51
All EXPERTplus diagnostic functions are available without having to activate them in the
positioner (u EB 8389 on EXPERTplus Valve Diagnostics).
Optional binary input with following actions:
− Transmit switching state
− Activate local write protection
− Switch between automatic and manual modes
− Various diagnostic functions (u EB 8389 on EXPERTplus Valve Diagnostics)
The pressure limit (Code 16) is no longer automatically set during initialization.
1.51 1.52
Internal revisions
1.52 1.53
Internal revisions
1.53 1.60
Internal revisions
1.60 1.61
− Default values of the step response test have been adapted to the positioner series.
− Optimizations made to the step response test.
− A positioner that has not yet been initialized has 'Out of specification' NAMUR status
(previously 'Maintenance alarm').
− Code 4: the setting for 300 mm has been added to the pin positions.
14 EB 8387-3 EN