Delta Electronics Extension Digital I/O Module DOP-EXIO14RAE - Manual (Page 67)

Appendix C Use of Basic Instructions|DOP-EXIO Series
C-2 Revision March, 2008, Doc. Name: 2007PDD23000014
Explanation:
The AND instruction is used in the series connection of A contact. The functions are to read out the
status of present specific series connection contacts and perform the “AND” operation with the logical
operation result obtained. The final result will be store in the accumulative register.
Program Example:
Ladder diagram:
Instruction code: Operation:
LDI X1 Loading in contact B of X1
AND X0 Connecting to contact A of X0 in series
X0 X1
Y1
OUT Y1 Driving Y1 coil
Mnemonic Functions
ANI Series Connection- B Contact
X0~X17 Y0~Y17 M0~M1279 S0~S127 T0~T127 C0~C254 D0~D599
Operand
9 9 9 9 9 9 -
Explanation:
The ANI instruction is used in the series connection of B contact. The functions are to read out the
status of present designated series connection contacts and perform the “AND” operation with the
logical operation result obtained. The final result will be store in the accumulative register.
Program Example:
Ladder diagram:
Instruction code: Operation:
LD X1 Loading in contact A of X1
ANI X0 Connecting to contact B of X0 in series
X0 X1
Y1
OUT Y1 Driving Y1 coil
Mnemonic Functions
OR Parallel Connection- A Contact
X0~X17 Y0~Y17 M0~M1279 S0~S127 T0~T127 C0~C254 D0~D599
Operand
9 9 9 9 9 9 -
Explanation:
The OR instruction is used in the parallel connection of A contact. The functions are to read out the
status of present designated parallel connection contacts and perform the “OR” operation with the
logical operation result obtained. The final result will be store in the accumulative register.