This manual describes the LS-5 two breaker variant and its application modes. For
detailed information on the application modes and special applications refer to ╚═▷ “6
Application”.
LS-512/522 easYgen-3400/3500 or easYgen-3400XT/
3500XT
Mode Symbol Mode Symbol
LS-5 Single LS5
A01
N/A N/A
LS-5 & easYgen LS5 (up to 16 units)
A02
GCB/LS5
A07
L-GGBMCB (max. 1 unit)
A05
GCB/L-GGBMCB
A12
2.4
Operation Modes
The LS-5 oers two operation modes:
• AUTOMATIC (AUTO)
• MANUAL (MAN)
• ... and an internal (non) operating phase during starting the device itself
The plastic housing (HMI) version of the LS-5 enables to select an operation mode by
pressing the according button at the front panel if current settings allow this function.
For more information about the operation modes please see ╚═▷ “5.3 Change Operating
Modes”.
2.5
Synch. Check Functionality
General notes
To use the LS-5 synchronization check functionality (Sync. Check) there are three
command variables available for LogicsManager™:
•
02.29 Sync. Condition
• 02.30 Dead Bus Closure Condition
• 02.28 Sync. Check Relay
WARNING!
No dead bus interlocking!
Synch. Check is intended to be a redundant check function enhancing system security.
Don't use for CBA or CBB control!
29LS-5 v2 Series37650
2 System Overview
2.4 Operation Modes