CEA7 CONTROL UNIT INPUTS AND OUTPUTS | PAGE 19
5. CEA7 CONTROL UNIT INPUTS AND OUTPUTS
The CEA7 control unit's digital inputs, both those with a specic purpose as well as
those which are programmable, have a debounce time associated (Times table,
parameters 15-24) which requires that the value of the input is stable over a time
interval. Also, all of the CEA7 control unit's inputs can be congured to be active
with contact closed to earth or be inactive with contact closed to earth (Regulations
table parameters 5 to 15).
The status of the CEA7 control unit's inputs and outputs can be monitored from
the Main menu1.Inputs/Outputs. From that position, a screen displays the
status of the control unit's digital inputs and outputs:
* INPUTS/OUTPUTS *
3 2 1 0 9 8 7 6 5 4 3 2 1
IN: M S 3 2 1 P I X N A B R
OUT: C P R 4 B g r 3 2 + 1 M A
IN: Input.
OUT: Outputs.
Index of the input/output. Ordered from 13 to 1.
Detection of an active input is indicated by the following characters:
• IN 1. R: Fuel reserve (RC).
• IN 2. B: Low oil pressure. (BPA).
• IN 3. A: High temperature (ATA).
• IN 4. N: Water level (NA).
• IN 5. X: Programmable input 4 (default value, external
start) (AE).
• IN 6. I: Programmable input 5 (default value, disabling start
up) (IA).
• IN 7. P: Emergency stop (PEM).
• IN 8. 1: Programmable input 1.
• IN 9. 2: Programmable input 2.
• IN 10. 3: Programmable input 3.
• IN 11. S: Mushroom head emergency stop.
• IN 12. M: Ignition key (MAN).
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