COVER GP-PUMP CONTROL 5I4409 - Caterpillar

Table 9
Byte(s)    Byte Contents    Detailed Description    
1     $50     Indicates M5X protocol    
2     $01     CCM is the sending module    
3     $25     IID 25    
4     $07     Number of bytes    
5     $58     GSC number 1    
6, 7     $00 $82     PID $0082 GSC Fault Log Codes, Status, And Number of occurrences    
8, 9     $00 $BE     CID 190 (engine speed sensor fault)    
10     $C3     Count included, inactive fault, logged fault, standard FMI (3)    
11     $04     Occurrence count of 4    
12     $24     Checksum    
IID 00 is used to request additional information on a fault 500000070058008300BEC34DIID 00 - Special parameter Command
Table 10
Byte(s)    Byte Contents    Detailed Description    
1     $50     Indicates M5X protocol    
2     $01     CCM is the sending module    
3     $00     IID 00    
4     $07     Number of bytes    
5     $00     Reply in ASCII format    
6     $58     GSC number 1    
7, 8     $00 $83     PID $0083 GSC Fault Log Request For Additional Data    
9, 10, 11     $00 $BE $C3     More information requested on CID 190 FMI 3    
12     $4D     Checksum    
IID 25 will contain the reply as PID $0084 5001250B58008400BEC303000C001102IID 25 - Single Parameter Read Response
Table 11
Byte(s)    Byte Contents    Detailed Description    
1     $50     Indicates M5X protocol    
2     $01     CCM is the sending module    
3     $25     IID 25    
4     $0B     Number of bytes    
5     $58     GSC number 1    
6, 7     $00 $84     PID $0084 GSC Fault Log Response For Additional Data    
8, 9     $00 $BE     CID 190    
10     $C3     More information on FMI 3    
11     $03     Three occurrences of this fault    
12, 13     $00 $0C     First occurrence at 12 hours    
14, 15     $00 $11     Last occurrence at 17 hours    
16     $02     Checksum    Monitoring Generator Phase
The following example shows how to select which generator phase the GSC monitors.
Use IID 34 to write the parameters of PID $F0B0: 500034050048F0B0007FIID 34 - Single Parameter Write Request
Table 12
Byte(s)    Byte Contents    Detailed Description    
1     $50     Indicates M5X protocol    
2     $00     User's PC is the sending module    
3     $34     IID 34    
4     $05     Number of bytes    
5     $00     Reply in ASCII format    
6     $58     GSC number 1    
7, 8     $F0 $B0     PID $F0B0 Generator Phase Select    
9     $00     Phase A-B Voltage, Phase A Current    
10     $7F     Checksum    
IID 35 is the response from the CCM: 5001350458F0B0007EIID 35 - Single Parameter Write Response
Table