![Detroit Diesel DDEC VI Application And Installation Download Page 426](http://html.mh-extra.com/html/detroit-diesel/ddec-vi/ddec-vi_application-and-installation_2488033426.webp)
COMMUNICATION PROTOCOLS
EEC3 – Electronic Engine Controller #3
Transmission Rate :
250 ms
Data Length:
8 bytes
Data Page:
0
PDU format:
254
PDU speci
fi
c:
223
Default priority:
6
PGN:
65,247 (0x00FEDF)
Byte: 1
Nominal Friction - Percent Torque (SPN 514)
Resolution:
1%/Bit, -125% Offset
Bytes: 2,3
Engine's Desired Operating Speed (SPN 515)
Resolution:
0.125 rpm/Bit, 0 rpm Offset
Byte 4:
Engine's Desired Operating Speed Asymmetry Adjustment (SPN 519)
Ratio: 0 to 250
Byte 5:
Engine Controlled Cooling Fan Losses – Percent Torque (SPN 2978)
Resolution:
1%/Bit, -125% Offset
Byte: 6–7
Exhaust Gas Mass (SPN 3236) — N/A
Byte: 8
After-Treatment
Bits: 7-8
After-Treatment Intake Dew Point Message – N/A
Bits: 5-6
After-Treatment Exhaust Dew Point Message – N/A
Bits: 3-4
After-Treatment Intake Dew Point Message – N/A
Bits: 1-2
After-Treatment Exhaust Dew Point Message – N/A
EEC4 – Electronic Engine Controller #4
Transmission Rate :
On Request
Data Length:
8 bytes
Data Page:
0
PDU format:
254
PDU speci
fi
c:
190
Default priority:
7
PGN:
65,214 (0x00FEBE)
Bytes: 1,2
Rated Engine Power (SPN 166)
Resolution:
0.5 kW / Bit, 0 kW offset (0.67 hp / Bit, 0 hp
offset)
Bytes: 3,4
Rated Engine Speed (SPN 189)
Resolution:
0.125 rpm / Bit, 0 rpm offset
Bytes: 5-8
Not De
fi
ned
6-50
All information subject to change without notice.
(Rev. 01/07)
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION