The following tables contain a query message directed to the VFD68 subordinate address 17 (H11). This message requests a read of register addresses (parameter values) 41004 (P.4) to 41006 (P.6). These tables also show the VFD68 subordinate response message containing the 2 byte Parameter Values P. 4, P. 5, and P. 6 (Table 1 and Table 2).
| Subordinate Address | Function | Starting Address | Number of Points | CRC Check | |||
|---|---|---|---|---|---|---|---|
| H11 (8 bit) | H03 (8 bit) | H03 (8 bit) | HEB (8 bit) | H00 (8 bit) | H03 (8 bit) | H77 (8 bit) | H2B (8 bit) |
| Subordinate Address | Function | Byte Count | Data | CRC Check | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| H11(8 bit) | H03
(8 bit) |
H06
(8 bit) |
H17 (8 bit) |
H70 (8 bit) |
H0B (8 bit) |
HB8 (8 bit) |
H03 (8 bit) |
HE8
(8 bit) |
H2C
(8 bit) |
HE6
(8 bit) |
Register Starting Address: H03 HEB = 1003 decimal. A base number of 40001 decimal must be added to this Register Starting Address to achieve the Register number of: 41004 decimal for Parameter 4 (see Table 3).
Read value
Register 41004 (P.004); H1770 (60.00 Hz)
Register 41005 (P.005); H0BB8 (30.00 Hz)
Register 41006 (P.006); H03E8 (10.00 Hz)