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COMMUNICATION PROTOCOLS
PID 110
- Coolant Temperature
update rate:
1 time/s
resolution:
1°F/Bit (Uns/SI)
source:
Engine Coolant Temperature Sensor
sensor range:
0 to 300°F
PID 111
- Coolant Level
update rate:
0.1 times/s
resolution:
0.5%/Bit (Uns/SI) (or full = 100%, low = 0%)
source:
Engine Coolant Level Sensor
comments:
If the Add Coolant Level Sensor (ACL Sensor) is installed with the Engine
Protection Coolant Level Sensor (ECL Sensor), the coolant level will be:
100% When both sensors are in coolant
50% When the ACL Sensor is out of the coolant
0% When both sensors are out of the coolant
If only the ECL Sensor is con
fi
gured:
100% Full
0% Low
PID 121
- Engine Retarder Status
update rate:
5 times/s
format:
Bit: 1
1 – 2 cylinders active
Bit: 2
1 – 3 cylinders active
Bit: 3
1 – 4 cylinders active
Bit: 4
1 – 6 cylinders active
Bit: 5
1 – 8 cylinders active
Bit: 8
1 - Retarder active
comments:
Transmitted only if engine brakes are con
fi
gured.
PID 122
- Engine Retarder Percent
update rate:
1 time/s
resolution:
0.5%Bit (Uns/SI)
Double Byte Parameters
PID 168
- Battery Voltage
update rate:
1 time/s
resolution:
0.05 volts/Bit (Uns/I)
source:
Battery voltage measured at input to CPC
6-14
All information subject to change without notice.
(Rev. 01/07)
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION