6-102
6.5.8.2 Data format (MICREX-SX ⇒ FRENIC-VG)
(1) When standard format is selected
1 Selecting function code address and selecting function code data
(MSB) (LSB)
15 14 1312 11 1098765432 1 0
Selecting function code (1) Selecting function code (2)
Selecting function code (3) Selecting function code (4)
Selecting function code (1) data
⇓
Selecting function code (4) data
"Selecting function code (1) to (4)" (eight bits each) store the link number corresponding to the
function code selected by MICREX-SX. Write the data to "Selecting function code (1) to (4) data".
Note that writing to the function code with this selecting function is done per the tact period of
MICREX-SX.
Note 1) Upon selecting, be sure to write the link number and data together.
Note 2) If multiple selecting errors occur simultaneously with the selecting function codes (1) to
(4), the following priority is applied to the function code M26 error cause.
Selecting function code (4) > (3) > (2) > (1)
2 Polling function code address
(MSB) (LSB)
15 14 8 7 1 0
Polling function code (1) Polling function code (2)
Polling function code (3) Polling function code (4)
Use the "polling function code (1) to (4)" (8 bits) to specify the link number corresponding to the
function code number requested for polling.