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Model name of the given nameplate can be expressed as follows
4B26A : 4 : 340-420VAC nominal supply voltage
B : B size case
26A: Maximum 26Amp driver
Following table summarize power drive capabilities and casing varieties.
2.4 Optional Boards
2.4.1 ENCA Board
Arcode absolute encoder reader which supports serial encoder protocols like Endat, Biss, and SSI as
well as SINCOS encoders.
This board should be installed if a synchronous machine will be driven.
2.4.2 ENCI Board
ENCI board is used to read incremental encoders with 3 differential signals. If the asynchronous
motor is used, this board should be installed.
2.4.3 Door Bridging Board
Door bridging board is used to bridge safety circuit and maintains safety conditions in any movement
of the lift while doors are open. Re-leveling, door pre-opening features require this board installed.