A53 Z0 9 0020 L En Technical documentation
Chapter : Dedicated I/O lines
10.4.2
Fuel & Crank
The standard functions for these two relay outputs are for normal Fuel and Crank relay applications.
Crank is A1 (OUTPUT 6), and Fuel is A2 (OUTPUT 7). These two outputs are relays and are fully configurable
through the “Configuration/outputs / Relay outputs” menu or through equations.
10.5
Crank/Fuel/Starter 2/ Starter 3 functions
If there is an external crank relay, you can use the crank function [E2018] on a digital output. The behaviour
will be exactly the same as for the crank relay output (terminal A1).
If there is an external fuel relay, you can also use the fuel function [E2019] on a digital output. The
behaviour will be exactly the same as for the fuel relay output (terminal A2).
For multiple starters (E1138 = 2 or 3), the outputs can be configured with the Starter 2 [E2267] and Starter
3 [E2268] functions. The number of attempts [E1134] is the global number and not the number of attempts
per starter.
For example:
The number of attempts [E1134] is 4
The default starter [E1602] is 2
The number of starters [E1138] is 3
Output 1 (terminal C1) is configured as Starter 2 (E1260 = 2267)
Output 2 (terminal C2) is configured as Starter 3 (E1261 = 2268)
Should the engine refuse to start, the sequence will be:
C1 activated, crank rest, C2 activated, crank rest, A1 activated, crank rest, C1 activated, start failure
Note: For each starter's functions (Starters 1 to 3), there are separate parameters for starter
disengagement relative to engine speed, which depend on starter type (electric, pneumatic...).
These parameters are available in the menu “Configuration/Engine/Crank settings”
Sta.1 drop out [E1325]:= 400rpm
Sta.2 drop out [E1326]:= 380rpm (level 2)
Sta.3 drop out [E1327]:= 380rpm.(level 2)
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