DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP Operation Manual - Programming
3.2 Explanations to Basic Instructions
Mnemonic
Operands Function Program steps
SS2
SX2
LD X, Y, M, S, T, C Load NO contact 1~3
Explanations:
1. The LD instruction is used to load NO contact which connects to left side bus line or starts a
new block of program connecting in series or parallel connection.
2. DVP-ES2/EX2 (V3.20), DVP-SS2 (V3.00), DVP-SA2 (V2.60), DVP-SE (V1.20), DVP-SX2
(V2.40), DVP-EC5 (V1.00) or later versions support the operands X, Y, M, and S. These
operands can be qualified by E or F. Users have to use WPLSoft version 2.31 (or above)
ISPSoft version 2.01 (or above). Note: EC5 series PLC should work with ISPSoft V3.17 or
later.
Program example:
Ladder diagram:
Instruction: Operation:
LD X0 Load NO contact X0
AND X1 Connect NO contact X1 in series
OUT Y1 Drive coil Y1
Ladder diagram:
Instruction: Operation:
LD X5E2 Load NO contact X3
(SupposeE2=K-2)
AND X1 Connect NO contact X1 in series
OUT Y1 Drive coil Y1