3 Basic Instructions
DVP-PLC Application Manual
3-7
Program Example:
Ladder diagram: Instruction code: Operation:
LD X0 Loading in contact A of X0
MPS
Saving into stack
AND X1 Connecting to contact A of X1 in series
OUT Y1 Driving Y1 coil
MRD
Reading from stack
AND X2 Connecting to contact A of X2 in series
OUT M0 Driving M0 coil
MPP
Reading from stack and pop pointer
OUT Y2 Driving Y2 coil
X0
Y1
X1
M0
X2
Y2
END
MPP
MRD
MPS
END Program ends
Mnemonic Function Program steps
OUT
Output coil 1
Controllers
ES EX SS SA SX SC EH SV
X0 ~ X377 Y0 ~ Y377 M0 ~ M4095 S0 ~ S1023 T0 ~ T255 C0 ~ C255 D0 ~ D9999
Operand
-
9 9 9
-
-
-
Explanations:
1. To output the logical operation result before OUT instruction into a designated device.
2. Actions of coil contact:
OUT instruction
Contact
Operational result
Coil
A contact (normally open) B contact (normally closed)
FALSE Off Off On
TRUE On On Off
Program Example:
Ladder diagram: Instruction code: Operation:
LDI X0 Loading in contact B of X0
AND X1 Connecting to contact A of X1 in series
X0 X1
Y1
OUT Y1 Driving Y1 coil
Mnemonic Function Program Steps
SET
Latched (On) 1
Controllers
ES EX SS SA SX SC EH SV
X0 ~ X377 Y0 ~ Y377 M0 ~ M4095 S0 ~ S1023 T0 ~ T255 C0 ~ C255 D0 ~ D9999
Operand
-
9 9 9
-
-
-
Explanations: