Delta DVP-SS2

3. Instruction Set
3-311
API Mnemonic Operands Function
Controllers
ES2/EX2/
EC5
SS2
SA2
SE
SX2
90 LDP Rising–edge detection operation
Type
OP
Bit Devices Word devices Program Steps
X Y M S K H KnX KnY KnM KnS T C D E F
LDP: 3 steps
S
*
*
*
*
*
*
PULSE
16-bit
32-bit
ES2/EX2/
EC5
SS2
SA2
SE
SX2
ES2/EX2/
EC5
SS2
SA2
SE
SX2
ES2/EX2/
EC5
SS2
SA2
SE
SX2
Operands:
S: device to be rising-edge triggered
Explanations:
LDP should be connected to the left side bus line. When the associated device S is driven from OFF
to ON, LDP will be ON for one scan cycle.
Program Example:
Ladder Diagram:
X0 X1
Y1
Instruction Code: Operation:
LDP X0 ; Load rising-edge contact X0
AND X1 ; Connect NO contact X1 in series
OUT Y1 ; Drive Y1 coil
Points to Note:
If the associated rising-edge contact is ON before PLC is power on, the contact will be activated
after PLC is power on.