1. Logarithmic operation based on 10 LOG
1.1. Instruction Description#
Perform a base 10 logarithmic operation on the floating-point value of register (I) and transfer the floating-point result to register (O).
1.2. The valid operands of the instruction#
| Input/Output | Data Type | operand | Description |
|---|---|---|---|
| IN | 32-bit real number | D/K/FD, local variable (LF) | input |
| OUT | 32-bit real number | D/FD, local variable (LF) | output |
1.3. Example#
command table:
NETWORK 000
LD M1
LOG K1000 D4 // result D4（D5） = 3.0
图1 LOG
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