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[Instruction] Contents
[Instruction] Contents [Instruction] Contents
Network: Network is a circuit representing a specified function. It consists of the elements, branches, and blocks.Network is the basic unit in the Ladder Diagram which is capable of executing the completed functions, and theprogram of Ladder Diagram is formed by connecting networks together. The beginning of the network is theorigin line. If two circuits are connected by a vertical line, then they belong to the same network. If there is novertical line between the two circuits, then they belong to two different networks. Figure 1, shows three (1~3)networks.1.4 The Coding Rules of Mnemonic (Users of WinProladder can skip this section)It’s very easy to program FB-PLC with WinProladder software package, just key-in the ladder symbols as they appear onyour CRT screen directly to form a ladder diagram program. But for the users who are using FPC-07 to program FB-PLCthey have to translate ladder diagram into mnemonic instructions by themselves. Since FPC-07 only can input program withmnemonic instruction, this section till section 1.6 will furnish you with the coding rules to translate ladder diagrams intomnemonic instructions.• The program editing directions are from left to right and from top to bottom. Therefore the beginning point of the networkmust be at the upper left corner of the network. Except the function instruction without the input control, the first instructionof a network must begin with the ORG and only one ORG instruction is permissible per network. Please refer to section6.1.1 for further explanations.Example:X0X1X5ORG X 0AND X 1X2X3X4LD X 2OR X 3AND X 4ORLDAND X 5• Using LD instruction for connecting vertical lines (origin line or branch line) except at the beginning of the network.Example 1:M0X0X1ORG M 0LD X 0AND X 1ORLDExample 2:AND Y 0Y0M0X0M1X1LD M 0AND M 1LD X 0AND X 1ORLDRemark 1: Using the AND instruction directly if only one row of elements is serially connected to the branch line.Example:Y0X0AND X 0ORLDAND Y 01-8
Remark 2: Also using the AND instruction directly if an OUT TR instruction has been used at a branch line to storethe node statuses.Example:OUT TR0LD TR0M0X0Y0Y1AND M 0OUT TR 0AND X 0OUT Y 1LD TR 0AND Y 0• Using AND instruction for serial connection of a single element.Example: X0 X1ORG X 0AND X 1• Using OR instruction for parallel connection of a single element.Example: X0 X2X1ORG X 0OR X 1AND X 2Example: X0 X1 X3X2ORG X 0AND X 1OR X 2AND X 3• If the parallel element is a serial block, ORLD instruction must be used.Example:X2X0X1X3ORG X 2LD X 0AND X 1ORLDAND X 3Remark:If more than two blocks are to be connected in parallel, they should be connected in a top to bottomsequence. For example, block 1 and block 2 should be connected first, then connect block 3 to it and soon.Example:X0X1X2X3M0M1M2M3LD X 0AND M 0LD X 1AND M 1ORLDLD X 2AND M 2ORLDLD X 3AND M 31-9
- Page 6 and 7: Conventional Ladder DiagramPLC Ladd
- Page 8 and 9: Input processing (Reading thestatus
- Page 10 and 11: We must energize the coil of relay
- Page 15 and 16: 1.5 The De-Composition of a Network
- Page 18 and 19: • When a single element or a seri
- Page 20 and 21: MEMO
- Page 22 and 23: 2.2 Digital and Register Allocation
- Page 24 and 25: Relay No. Function Description3. Pu
- Page 26 and 27: Relay No. Function DescriptionM1965
- Page 28 and 29: 2.4 Special Registers DetailsRegist
- Page 30 and 31: Register No. Function DescriptionR4
- Page 32 and 33: Register No. Function DescriptionR4
- Page 34 and 35: Register No. Function DescriptionR4
- Page 36 and 37: Register No. Function DescriptionR4
- Page 38 and 39: Register No. Function DescriptionD4
- Page 40 and 41: Instruction Operand Symbol Function
- Page 42 and 43: FUNNo.NameOperandDerivativeInstruct
- Page 44 and 45: FUNNo.NameOperandDerivativeinstruct
- Page 46 and 47: • Ramp Function InstructionsFUNNo
- Page 48 and 49: MEMO
- Page 50 and 51: ※For the relays marked with a ‘
- Page 52 and 53: FUN7 is the UDCTR function. While r
- Page 54 and 55: X0X1Node ANode BIncerseInversediffe
- Page 56 and 57: All input controls of the function
- Page 58 and 59: • The names and functions of the
- Page 60 and 61: 5.1.4 Functions Output (FO)The “F
Remark 2: Also using the AND instruction directly if an OUT TR instruction has been used at a branch line to storethe node statuses.Example:OUT TR0LD TR0M0X0Y0Y1AND M 0OUT TR 0AND X 0OUT Y 1LD TR 0AND Y 0• Using AND instruction for serial connection of a single element.Example: X0 X1ORG X 0AND X 1• Using OR instruction for parallel connection of a single element.Example: X0 X2X1ORG X 0OR X 1AND X 2Example: X0 X1 X3X2ORG X 0AND X 1OR X 2AND X 3• If the parallel element is a serial block, ORLD instruction must be used.Example:X2X0X1X3ORG X 2LD X 0AND X 1ORLDAND X 3Remark:If more than two blocks are to be connected in parallel, they should be connected in a top to bottomsequence. For example, block 1 and block 2 should be connected first, then connect block 3 to it and soon.Example:X0X1X2X3M0M1M2M3LD X 0AND M 0LD X 1AND M 1ORLDLD X 2AND M 2ORLDLD X 3AND M 31-9
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