Delta DVP-ES2 User Manual Page 124

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DVP-ES2/SA2/SS2/SA2/SX2/SE Operation Manual - Programming
3-8
Mnemonic Operands Function Program steps
SET
Y, M, S
Latches the ON
status
1~3
Controllers
ES2/EX2 SS2
SA2
SE
SX2
Explanations:
When the SET instruction is driven, its designated device will be ON and latched whether the SET
instruction is still driven. In this case, RST instruction can be applied to turn off the device.
Program example:
Ladder Diagram:
X0 Y0
Y1SET
Instruction: Operation:
LD X0 Load NO contact X0
ANI Y0 Connect NC contact Y0 in series
SET Y1
Drive Y1 and latch the status
Mnemonic Operands Function Program steps
RST
Y, M, S, T, C, D, E,
F
Resets contacts,
registers or coils
3
Controllers
ES2/EX2 SS2
SA2
SE
SX2
Explanations:
Device status when RST instruction is driven:
Device Status
S, Y, M Coil and contact are set to OFF.
T, C Current value is cleared. Associated contacts or coils are reset .
D, E, F The content is set to 0.
Status of designated devices remains the same when RST instruction is not executed.
Program example:
Ladder diagram:
X0
Y5RST
Instruction: Operation:
LD X0 Load NO contact X0
RST Y5
Reset contact Y5
Mnemonic Operands Function Program steps
MC/MCR
N0~N7
Master control
Start/Reset
3
Controllers
ES2/EX2 SS2
SA2
SE
SX2
Explanations:
MC is the master-control start instruction. When MC instruction executes, the program execution
turns to the designated nest level and executes the instructions between MC and MCR. However,
MCR is the master-control reset instruction placed at the end of the designated nest level and no
drive contact is required before MCR. When MC/MCR is not active, devices and instructions
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