Manual

Curtis 1243GEN2 Manual, Rev. B
3
Linear cutback of regenerative braking current during overvoltage
High pedal disable (HPD) and static return to off (SRO) interlocks
prevent vehicle runaway at startup
Internal and external watchdog circuits ensure proper software operation
Fully protected inputs and short-circuit protected output drivers.
Curtis Model 840 Spyglass Display [optional]
3-wire serial interface
Sequences between hourmeter, BDI, and error displays
Single alphanumeric, non-backlit, 8 character, 5 mm LCD display for
hourmeter, BDI, and fault messages
Display updated by dedicated unidirectional serial port
Available in 52 mm round case, DIN case, and as a bare board, each
with an 8-pin Molex connector; cases feature front seal to IP65 and
rear seal to IP40; shock and vibration protection to SAE J1378
Operating temperature range -10°C to 70°C; models with lower
temperature ratings available for freezer applications
Familiarity with your Curtis controller will help you install and operate it prop-
erly. We encourage you to read this manual carefully. If you have questions,
please contact the Curtis office nearest you.
1 — OVERVIEW