Structure of the faulty Request message
Bit mask 0x400 does not write to bit 16, but to the reserved bit 10.
00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
CTT2 service | SPA protocol | ||||||||||||||
00 | 01 | 02 | 03 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
Code | Index | Read length | Write length | Com | SPA | Index | Index | Sub | Offset | Offset | Res | LSB | LSB | MSB | MSB |
Data Exchange | SPA | 12 bytes | 12 bytes | Write |
| 8852.1 | 0 |
| 0x400 | ||||||
0x1D | 0x03 | 0x0C | 0x0C | 0x02 | 0x01Any value in the range 0x00 – 0xFF which is specified by the user. | 0x94 | 0x22 | 0x01 | 0x00 | 0x00 | 0x00 | 0x00 | 0x04 | 0x00 | 0x00 |
