Cpu unit for plc, plc-use system program, recording medium in which plc-use system program is stored, plc system, plc support device, plc support program, and recording medium in which plc support program is stored

A PLC-use system program configured to be executed by a microprocessor after being stored in a storage section in a CPU unit in the PLC, the CPU unit comprising the microprocessor, the storage section, and a communication circuit to control a control target, wherein:

• the storage section is used to store the system program, a control program, and schedule-building data;
• the microprocessor is configured to execute the system program and the control program stored in the storage section;
• the communication circuit is configured to transmit output data generated through execution of the control program and receive input data to be used in execution of the control program;
• the system program includes a procedure library in which at least a procedure for controlling execution of the control program and a procedure for controlling output of the output data and input of the input data are included;
• and
• if the schedule-building data including execution order specifications for the procedures included in the procedure library is stored in the storage section, the system program causes the microprocessor to execute the procedures included in the procedure library in accordance with the procedure execution order specifications included in schedule-building data.

A recording medium recording a PLC-use system program, the program configured to be executed by a microprocessor after being stored in a storage section in a CPU unit in the PLC, the CPU unit comprising the microprocessor, the storage section, and a communication circuit to control a control target, wherein:

• the storage section is used to store the system program, a control program, and schedule-building data;
• the microprocessor is configured to execute the system program and the control program stored in the storage section;
• the communication circuit is configured to transmit output data generated through execution of the control program and receive input data to be used in execution of the control program;
• the system program includes a procedure library in which at least a procedure for controlling execution of the control program and a procedure for controlling output of the output data and input of the input data are included;
• and
• if the schedule-building data including execution order specifications for the procedures included in the procedure library is stored in the storage section, the system program causes the microprocessor to execute the procedures included in the procedure library in accordance with the procedure execution order specifications included in schedule-building data.

A PLC support device configured to support use of a CPU unit in a PLC configured to control a control target, the PLC's CPU unit comprising:

• a procedure library in which at least a procedure for controlling execution of a control program and a procedure for controlling output of output data generated through execution of the control program and input of input data to be used in execution of the control program are included;
• and
• a schedule-building data acquisition section configured to acquire schedule-building data that includes specifications of execution order of the procedures included in the procedure library, wherein:
• the PLC support device comprises a storage section and a computing unit;
• the storage section is used to store a PLC support program and the schedule-building data;
• and
• the PLC support program causes the computing unit to execute output processing necessary to output the schedule-building data in a manner such that the CPU unit in the PLC can acquire the schedule-building data.

A PLC support program configured to be executed in a PLC support device necessary to support use of a CPU unit in a PLC configured to control a control target, wherein

• the PLC's CPU unit comprises:
• a procedure library in which at least a procedure for controlling execution of a control program and a procedure for controlling output of output data generated through execution of the control program and input of input data to be used in execution of the control program are included;
• and
• a schedule-building data acquisition section configured to acquire schedule-building data that includes specifications of execution order of the procedures included in the procedure library;
• the PLC support device comprises a storage section and a computing unit;
• the storage section is used to store a PLC support program and the schedule-building data;
• and
• the PLC support program causes the computing unit to execute output processing necessary to output the schedule-building data in a manner such that the CPU unit in the PLC can acquire the schedule-building data.

A recording medium recording a PLC support program, the PLC support program configured to be executed in a PLC support device necessary to support use of a CPU unit in a PLC configured to control a control target, wherein:

• the PLC's CPU unit comprises:
• a procedure library in which at least a procedure for controlling execution of a control program and a procedure for controlling output of output data generated through execution of the control program and input of input data to be used in execution of the control program are included;
• and
• a schedule-building data acquisition section configured to acquire schedule-building data that includes specifications of execution order of the procedures included in the procedure library;
• the PLC support device comprises a storage section and a computing unit;
• the storage section is used to store a PLC support program and the schedule-building data;
• and
• the PLC support program causes the computing unit to execute output processing necessary to output the schedule-building data in a manner such that the CPU unit in the PLC can acquire the schedule-building data.