Omron SYSMAC CS Series Instruction & Reference Manual page 103

Function
 LD TST
LD TST(350) is used in the program like LD; the execution condition is ON when the specified bit in the
specified word is ON, and OFF when the bit is OFF.
 LD TSTN
LD TSTN(351) is used in the program like LD NOT; the execution condition is OFF when the specified
bit in the specified word is ON, and ON when the bit is OFF.
Precautions
• TST(350) and TSTN(351) are intermediate instructions, i.e., they cannot be used as right-hand
instructions. Be sure to program a right-hand instruction after TST(350) or TSTN(351).
Example Programming
CS/CJ/NSJ Series Instructions Reference Manual (W474)
i
0.01
In the left example, CIO 0.01 is turned
ON when bit 3 of D10 is ON.
D10
&3
0.01
In the left example, CIO 0.01 is turned
ON when bit 3 of D10 is OFF.
D10
&3
3. Instructions
3
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