Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 190

Function
OR TST
OR TST(350) is used in the program like OR; the execution condition is ON when the specified bit in the
specified word is ON, and OFF when the bit is OFF.
OR TSTN
OR TSTN(351) is used in the program like OR 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).
Sample program
0.00
D10
&3
0.00
D10
&3
CS/CJ/NSJ Series Instructions Reference Manual (W474)
i
0.01
In the left example, CIO 0.01 is turned ON
when CIO 0.00 or bit 3 of D10 is ON.
0.01
In the left example, CIO 0.01 is turned ON
when CIO 0.00 is ON or bit 3 of D10 is OFF.
3. Instructions
3
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