6.4 T-Link Interface Card
6-69
Chap. 6
CONTROL OPTIONS
(3) Polling and selecting function code address and selecting function code data
Format 1
Selecting function code address Polling function code address
Selecting function code data
Write the function code data using the "selecting function code address" (8 bits) and "selecting
function code data" (16 bits) above. Also, specify the link number corresponding to the function
code number requested for polling using the "polling function code address" (8 bits).
Format 2
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
Polling function code (1) Polling function code (2)
Polling function code (3) Polling function code (4)
"Selecting function code (1) to (4)" (eight bits each) store the link number corresponding to the
function code selected by MICREX. Write the data to "Selecting function code (1) to (4) data".
Note: Upon selecting, be sure to write the link number and data together.
Use the "polling function code (1) to (4)" (8 bits) to specify the link number corresponding to the
function code number requested for polling.
Selecting is available when editing links is permitted in "6.4.9.2 Link Edit Permission Selection".
Pay attention to writing limitation including changing not available during operation.
(MSB) (LSB)
0 1 7 8 E F
(MSB) (LSB)
0 1 7 8 E F
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