Mitsubishi Electric MELSEC FX Series Structured Programming Manual page 226

FXCPU Structured Programming Manual
(Application Functions)
Cautions
1) Expression in each language of function block
*1. Set the instance when using the function block.
Describe the instance name when programming the function block.
2) For the function block, the automatic allocation device needs to be set as the counter numbers are
allocated automatically.
224
6 Standard Function Blocks
6.9 COUNTER_FB_M