Asked by Kierra Horton on Jun 10, 2024
Verified
Internal relay coil is not accessible at the I/O rack.
Internal Relay Coil
An internal relay coil is a virtual or logical coil in programmable logic controllers (PLCs) or software applications, representing the state of an output or condition without requiring a physical relay.
I/O Rack
A physical or virtual component that houses input/output modules, facilitating the exchange of data between a control system and external devices.
CPU
The Central Processing Unit, often considered the main element of a computer, is responsible for executing the majority of computations within the system.
- Recognize and explain the purpose of diverse ladder logic symbols and instructions.
- Distinguish among the various kinds of contacts and coils in ladder logic.
Verified Answer
JT
Jonathon ToppertJun 14, 2024
Final Answer :
True
Explanation :
Internal relay coil is a component within a programmable logic controller (PLC) and is not physically accessible at the I/O rack. It is a virtual component used in ladder logic programming.
Learning Objectives
- Recognize and explain the purpose of diverse ladder logic symbols and instructions.
- Distinguish among the various kinds of contacts and coils in ladder logic.