"Electromechanical Drive Control" study notes-08-1

"Electromechanical Drive Control" study note 08-1

Hu Hengxiang Machine Android 1301

PLC the basic Instructions

Different plc, the programming language is not the same, but the basic function of the instruction is roughly the same. The following directives are generally available:

1. input and output instructions

LD (Take command)

LDI (take counter command)

2. Logic Instructions

1 ) logical "and" directives

and (with directives)

ANI (with non-directive)

2 ) logical "or" directive

or (or Directive)

ORI (or non-directive)

3 ) Branch Parallel Instruction

ORB (Branch parallel command)

4 ) circuit block concatenation instruction

ANB (circuit block concatenation instruction)

3. position and reset instructions

SET (position Directive)

RST (Reset instruction)

4. Master control commands

MC (Master Control start command)

MCR (Master Order Control end command)

"Electromechanical Drive Control" study notes-08-1