Siemens SIMATIC S7-1500 PLCs 350
This class describes SIMATIC S7-1500 PLCs and the various S7-1500 modules. This class also summarizes the capabilities of the STEP 7 Professional (TIA Portal) software used to configure and program S7-1500 PLCs.
Number of Lessons 13
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- SIMATIC S7-1500 CPUs
- CPU Memory Organization
- CPU Status LEDs and Display
- Module Installation
- Signal Modules
- Communication Modules
- Technology Modules
- Power Supply Modules
- STEP 7 Professional (TIA Portal)
- Integrated Technologies
- Integrated Web Server
- Identify key differences of the S7-1500 CPU models.
- Describe the function of load memory, work memory, and retentive memory.
- Describe the three operating modes of S7-1500 CPUs.
- Describe the installation of modules for use with an S7-1500 PLC.
- List the types of S7-1500 signal modules.
- Describe the types of S7-1500 communications modules.
- Describe the capabilities of S7-1500 technology modules.
- Describe the different types of S7-1500 power supply modules.
- List the types of programming languages available for S7-1500 PLCs.
- Describe the integrated technologies for S7-1500 CPUs.
- Describe the function of an S7-1500 CPU’s integrated web server.
A device that communicates the current position of a machine axis.
Alternating Current. Current that periodically reverses direction.
analog I/O channels
I/O channels that connect to analog I/O devices. Analog channels use varying voltage or current signals.
analog input device
A device that provides a variable current or voltage, such as 4 to 20 milliamps or 0 to 10 volts, representing a condition in a machine or process. An analog input device provides its signal to an analog input signal channel.
analog output device
A device that is provided a variable current or voltage, such as 4 to 20 milliamps or 0 to 10 volts, representing a condition in a machine or process. An analog output device receives its signal from an analog output signal channel.
Part of the global memory of a PLC that incudes binary bits that are available for use by any program block.
code work memory
A section of the work memory that contains parts of the PLC program code.
Modules that allow a PLC to communication with other devices through one or more communication ports on the module.
Central Processing Unit. The brains of the PLC. The CPU stores and scans the user program and stores data needed by the user program and other devices and systems.
DBs. Each DB is an organized set of data in a Siemens PLC program that is used by one or more program blocks. An instance DB stores data use by one program block. A global data block contains data that is available to any program block.
data work memory
A section of the work memory that contains parts of the data blocks and technology objects.
Data Block. An organized set of data in a Siemens PLC program that is used by one or more program blocks. An instance DB stores data use by one program block. A global data block contains data that is available to any program block.
Direct Current. Current that flows in one direction.
A 35 millimeter mounting rail for control components and related devices.
An industrial network used for distributed control communication.
A software or hardware security barrier designed to limit access to a system to authorized personnel or systems.
Gigabyte. Approximately 1 billion bytes. Each byte is 8 consecutive bits.
Memory areas such as image tables and bit memory that are accessible to all program blocks in the user program.
Human machine interface. A device or system that displays machine or process information and provides a means for entering control information.
human machine interface
HMI. A device or system that displays machine or process information and provides a means for entering control information.
Input/Output. Refers to a device, channel, or module involved with PLC inputs and/or output
A standard of the International Electrotechical Commission that provides common approaches and concepts for PLCs.
Tables in a PLC CPU memory that store the most recent input and output status conditions. A binary 1 represents an on condition and a binary 0 represents and off condition.
A device that provides pulses to indicate changes in position.
A type of Ethernet local area network that is widely used for computer and control system communication in factories and other industrial environments.
I/O. Refers to a device, channel, or module involved with PLC inputs and/or outputs.
Kilobits per second. 1 kbps is a data rate of 1000 bits per second.
Light emitting diode. An indicator light made from semiconductor material.
Non-volatile storage for the user program, program data, and configuration information.
Temporary memory used during the processing of a code block.
Modbus remote terminal unit. A serial communication protocol used to connect a master device, often a PLC or industrial computer, to slave devices. The master device controls the communication of slave devices.
Used to describe a type of memory that does not require continual application of power to prevent data loss.
Proportional-integral-derivative control. One of the most common types of process control. PID control adjusts system outputs by reacting to three values, one that is proportional to an error, one that represents the error over time, and one that represents the rate of change of the error.
PROFIBUS DP is an open standard fieldbus of PROFIBUS & PROFINET International (PI) that is widely used for master-slave control communications in factory automation.
The open Industrial Ethernet standard of PROFIBUS & PROFINET International (PI), and the leading Industrial Ethernet standard world-wide.
The most widely-used form of PROFINET. PROFINET IO extends the benefits of standardized, Ethernet communication to distributed field devices.
PROFINET isochronous real-time. The highest of three simultaneous performance levels of PROFINET IO communication. PROFINET IRT communication is designed to handle the most time-sensitive motion control applications.
A grouping of PLC instructions. A Siemens PLC can have three types of program blocks: organization blocks (OBs), function blocks (FBs), and functions (FCs).
PID control. One of the most common types of process control. PID control adjusts system outputs by reacting to three values, one that is proportional to an error, one that represents the error over time, and one that represents the rate of change of the error.
A two-channel incremental encoder. By comparing the phasing of the pulses received from both channels, a controller can determine the direction of motion.
resistance temperature device
RTD. A temperature sensor made from a metal such as platinum, nickel, or copper that varies in resistance in a predictable manner as temperature varies.
Non-volatile storage for a limited quantity of work memory values during power loss.
Resistance Temperature Device. A temperature sensor made from a metal such as platinum, nickel, or copper that varies in resistance in a predictable manner as temperature varies.
One of three modes of operation for an S7-1500 PLC. In the RUN mode, the CPU executes the PLC scan repeatedly.
A repetitive process performed by a PLC CPU that includes updating input statuses, executing the user program, updating outputs, and other important tasks.
Also called an I/O module. A module that connects a PLC to input and/or output devices.
One of three modes of operation for an S7-1500 PLC. In the STARTUP mode, the CPU executes any startup logic, if present.
STEP 7 Professional (TIA Portal)
Engineering software used for the configuration and programming of SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs and related devices
One of three modes of operation for an S7-1500 PLC. In the STOP mode, the CPU is not executing the user program.
A temperature sensor made from two dissimilar metals joined at a point called a junction. A thermocouple produces a small voltage that is temperature dependent.
Siemens Totally Integrated Automation Portal. Software used for designing, commissioning, operating, maintaining, and upgrading automation systems.
Used to describe a type of memory that requires continual application of power to prevent data loss.
A computer or software that allows information to be displayed using standard Internet protocols.
Volatile storage for some elements of the user program.