PLC
programmable
logic controller
SEAL PLC 3000
The SEAL PLC 3000 programmable logic controller is designed for building responsible, fault-tolerant and distributed automated process control systems in various industries.
- support for backup of central processors, power supplies, input/output modules
- various controller redundancy schemes
- hot-swap replacement of all controller modules (without turning off the power and interrupting the application program)
- stackable rack—the ability to expand the rack in increments of one module
- connection of remote input/output stations to the central processor using the double redundant ring, star and mixed circuit topology;
- support for all languages of the IEC 61131 3 standard
- USB host 2.0
- DVI video output
- RS-232
- RS-485
- Ethernet 100/1000 RJ-45 (full duplex)
- HART v6, v7
- IEC 60 870 5 101 (Master / Slave)
- IEC 60 870 5 104 (Master / Slave)
- Modbus RTU (Master / Slave, with expansion options)
- Modbus TCP (Master / Slave, with expansion options)
- OPC DA, OPC UA
- SQL, FTP, SNMP v3, SysLog
- minimum application program cycle time – 1 ms/10 ms in redundant version
- switching time from the main controller to the backup – from 5 ms
- time synchronization accuracy – up to 50 µs
- input supply voltage range – 85…264 V AC/120…370 V DC, 18…36 V DC
- operating temperature range – from 0 to +60°С
What it is
A programmable logic controller (PLC) is a computer system used for automating manufacturing processes in various industrial fields. The PLC consists of several components, with the main ones being the processor, input-output modules, and power supply.
The principle of operation of a PLC involves reading input signals and performing user-defined logical operations. Depending on the obtained values, the PLC controls output devices such as drives, pumps, motors, etc.
Moreover, the programmable controller can perform multiple tasks simultaneously, which simplifies and speeds up production processes and enhances work efficiency.
PLC is an automation tool that is very easy to operate, allowing users to work with it even without deep knowledge of programming and electronics. Additionally, such a controller guarantees high system reliability and reduces the likelihood of errors.
PLC offers great flexibility in network configuration, allowing it to be adapted to different tasks and changes in operation configuration without replacing the controller itself. As a result, PLC can be used in various industries and at different stages of production, from small enterprises to large factories.
Through process automation, precise parameter control, and the ability to timely detect errors, the use of PLC greatly enhances work efficiency, reduces production time, and ensures more accurate quality control of products.
PLC can be remotely serviced, saving time on diagnostics, programming, and equipment adjustment, with special software used to operate PLC.
The use of PLC in the production process allows for resource savings by enabling control over energy consumption and resources. It also leads to reduced waste and increased productivity.