Detroit Diesel DDEC VI Application And Installation page 442

COMMUNICATION PROTOCOLS
Byte: 2
Bytes: 3–4
Byte: 5
Bytes: 6,7
Byte: 8
Bytes: 9,10
Byte: 11
Bytes: 12, 13
Byte: 14
Bytes: 15,16
Bytes: 17,18
Byte: 19
6-66
1100: Not Defined
1101: Not Defined
1110: Other
1111: Not Available
Retarder Control Method (SPN 557)
0 – DVB
1 – Konstandrossel
2 – Low/High Compression
3 – Low/Med/High Compression
255 — Not Configured
Retarder Speed at Idle, Point 1 (SPN 546)
Resolution: 0.125 rpm/bit, 0 rpm offset
Percent Torque at Idle, Point 1 (SPN 551)
Resolution: 1%/Bit, –125% offset
Maximum Retarder Speed, Point 2 (SPN 548)
Resolution: 0.125 rpm/Bit, 0 rpm offset
Percent Torque at Maximum Speed, Point 2 (SPN 552)
Resolution: 1%/Bit, –125% offset
Retarder Speed, Point 3 (SPN 549)
Resolution: 0.125 rpm/bit, 0 rpm offset
Percent Torque, Point 3 (SPN 553)
Resolution: 1%/Bit, –125% offset
Retarder Speed, Point 4 (SPN 550)
Resolution: 0.125 rpm/bit, 0 rpm offset
Percent Torque, Point 4 (SPN 554)
Resolution: 1%/Bit, –125% offset
Retarder Speed at Peak Torque, Point 5 (SPN 547)
Resolution: 0.125 rpm/bit, 0 rpm offset
Reference Retarder Torque (SPN 556)
Resolution: 1 Nm/Bit, 0 Nm offset
Percent Torque at Peak Torque, Point 5 (SPN 555)
Resolution: 1%/Bit, –125% offset
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
All information subject to change without notice. (Rev. 01/07)