Controller Specification of Injection Molding Machine PLC Controller

2024-07-18 11:25:54

What is a PLC Controller?

The Programmable Logic Controller, or PLC controller, is a crucial component in the injection molding process. It manages key aspects such as temperature control, injection pressure, and cycle time, ensuring the accuracy, speed, and productivity of the injection molding machine. This industrial computer monitors inputs and outputs, making logic-based decisions for automated processes.

Further reading: Learning Injection Molding Machine Components, Parts and Functions

 

 

Key Components of a PLC Controller

A typical PLC system comprises several key components:

  • Input and Output Modules: These modules interface with the machinery and sensors, receiving data from the environment and sending commands to control actuators.
  • Central Processing Unit (CPU): The brain of the PLC, the CPU executes the control program stored in its memory.
  • Human Machine Interface (HMI): This interface allows operators to interact with the PLC system, monitor processes, and make adjustments.
  • Communication Interfaces: PLCs often need to communicate with other systems and networks, necessitating robust communication protocols and interfaces.
  • Memory and Data Handling: PLCs must handle significant amounts of data, necessitating efficient memory management and processing capabilities.

 

 

HMI Standard Specification

HMI Specification
Item Specification / Quantity
CPU CORE A20 2 Core 1GHz 32bit
RK3288 4 Core 1GHz 32bit
LCD TFT
Backlight LED
Size 12.1 Inch
Resolution 1024*768
Touch Panel Resistive
SD Card 1
Mold Memory: EMMC, Dz Card, USB Disk 1
Ethernet: RJ45 10M/100M 1
USB 2.0: Program Update, USB WiFi 1
CAN Interface 1
RS485 Modbus RTU Interface 1
RS422 PLC Communication Interface 1
Isolated Keyboard Module 1
External Button Interface Option
WEB Software Module and Multi-Language Support 1
Basic Networking Software Module 1
Pre-Heating and 24 hours RTC 1
SSR Driver Module (Pre-Heating Use) 1


 

PLC Specification

PCL Specification
Standard Item Specification
CPU RDC1120
AO:Pressure 0～±10Vdc 2
AO:Velocity 0～±10Vdc 2
DI:+24Vdc@10mA 32
DO:+24Vdc@3A (Short Circuit Protection) 40
DO:+24Vdc@100mA (Temp.Heating Driver) 6
AI:J or K type Thermo-Couple 6
AI:Transducers, Pressure Sensor 16
Encoder:32bit A/B/Z 2
RS485 Modbus RTU Interface 1
CAN Interface 1
RS422 HMI Communication Interface 1
Omron S8FS-C35024 (+24V@350W) Power 1
PLC Option Specification
AF8005 AI Temperature Card: 6 Zone 7 (42)
AF8006 AO Proportional Card: 2P2F 3 (6P6F)
AF8009 DO Card: 16 Ports 8 (128)
AF801 0 DI/DO card: 8 IN / 8 OUT 10 (80/80)
AF801 2 Motion Card: 6 Axis 1
AF701 6 V2I Card: 2 Channel 8
AF701 7 V2I Card: 1 Channel 16

 

 

Additional Requirements for PLC Controllers in Injection Molding Machines

The PLC controllers in injection molding machines may need specific features to meet customer needs. Customers also often have specific service or after-sales support requirements to ensure uninterrupted operation and optimal performance of their injection molding machines. If you have any such needs, please feel free to contact Huarong. As an experienced injection molding machine manufacturer, Huarong's IT and after-sales service departments are ready to assist and resolve any related issues promptly and effectively.

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