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COMMUNICATION PROTOCOLS
CI – Component Identi
fi
cation
Transmission Rate :
On Request
Data Length:
37 bytes
Data Page:
0
PDU format:
254
PDU speci
fi
c:
235
Default priority:
6
PGN:
65,259 (0x00FEEB)
Bytes: 1-5
Make (SPN 586) – ASCII
Byte: 6
* - Delimiter
Bytes 7–14:
Engine Model Number (SPN 587) – ASCII
Byte: 15
* - Delimiter
Byte: 16–25 Engine Serial Number (SPN 588) – ASCII
Byte: 26
* - Delimiter
Byte: 27–36 Unit Number (Power Unit) (SPN 233) - ASCII
Byte: 37
* - Delimiter
Note:
DDEC VI also supports an alternate format of the component identi
fi
cation data to
satisfy an AGS2 transmission.
Example:
Series 60 – DTDSC*606HG6E*00R01234567**
MBE900 – MRCBN*926N07*123456**
MBE4000 – MRCBN*460N07*123456**
CM1 – Cab Message1
Transmission
Rate:
1 sec
Data Length:
8 bytes
Data Page:
0
PDU Format:
224
PDU Speci
fi
c:
218
Default Priority:
6
PGN:
57, 344(0x00E00016)
Byte: 1
Requested Percent Fan Speed (SPN 986)
Resolution: 0.4%/Bit, 0 offset
Bytes: 2 – 3
Cab Interior Temperature Command – N/A
Byte: 4
Bits: 2–1
Auxiliary Heater Coolant Pump Request – N/A
Bits: 4–3
Battery Main Switch Hold Request – N/A
Bits: 6–5
Operator Seat Direction Switch – N/A
Bits: 8–7
Seat Belt Switch – N/A
Byte: 5
6-36
All information subject to change without notice.
(Rev. 01/07)
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION