Curtis PMC 1297 Manual
3
Preliminary on Verso page is set with right edge at 7 and 7/8,
and the top (as on the Recto page) at 1/4.
✓
Fully protected inputs
✓
Internal and external watchdog circuits ensure proper software operation
✓
High environmental protection rating (IP53)
✓
3-wire serial interface for multifunction display—
see below
✓
4-wire serial interface for all tiller functions—
see below
Curtis Model 840 Spyglass Display
✓
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
Curtis PMC Model 1312 Tiller Multiplexer
✓
4-wire serial interface increases reliability
✓
Multiplexes up to 12 signals, analog or digital
✓
All signals sampled 50 times per second
✓
Signal integrity checked 150 times per second
✓
Schematic drawing of the 1312 generic circuit board is available at no
cost to OEMs who want to design their own tiller multiplexers.
Familiarity with your Curtis PMC controller will help you install and operate
it properly. We encourage you to read this manual carefully. If you have
questions, please contact the Curtis office nearest you.
1 — OVERVIEW