Structure of the Read Response message
The Read Response message contains the result of the parameter access in the SPA Response message.
00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
CTT2 service | SPA protocol | |||||||||||
00 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
Code | Status | SPA | Index | Index | Sub | Offset | Offset | Res | LSB | LSB | MSB | MSB |
Read Response OK | Write |
| 8852.12 | 0 |
| 1480 min-1 (mirrored write value) | ||||||
0x50 | 0x02 | 0x00Corresponds to the value from the Request protocol. | 0x94 | 0x22 | 0x0C | 0x00 | 0x00 | 0x00 | 0xC8 | 0x05 | 0x00 | 0x00 |
Bit 7 in byte 00 (status byte) of the SPA Response message can be used to determine whether the SPA service was executed without errors. In this case, bit 7 has the value 0.
