Description
Key Technical Specifications800xahardwareselector.automation.abb.com
| Parameter Name | Parameter Value |
|---|---|
| Processor & Performance | MPC866 processor with a clock frequency of 67MHz; the time for 1000 boolean operations is 0.18ms, and the minimum cycle time of application programs can reach 1ms, which can quickly respond to control instructions. |
| Memory Configuration | The total RAM is 32MB, of which 23.521MB can be used for applications; it is equipped with a 4MB Flash PROM for firmware storage, and also supports Compact Flash interface for extended data storage. |
| Communication Interface | There are 2 RJ45 Ethernet ports for connecting to the control network; 2 RJ45 serial ports (COM3 is RS-232C port with modem control signal, COM4 is an isolated port for connecting configuration tools). |
| Power Supply | Adopts 24VDC power supply, the voltage range is 19.2 – 30VDC; the typical power consumption is 5.1W, the maximum is 8.6W; the typical current is 210mA, and the maximum is 360mA, and it supports redundant power supply status input. |
| Physical & Environmental Parameters | The size is 119mm×186mm×135mm (width × height × depth), and the weight including the base is 1.2kg; the protection level is IP20, which is suitable for dust-free and solid particle-proof indoor control cabinets. |
| Software & Expansion | Compatible with System 800xa 6.0.2 and above; a single controller can carry 32 applications, and each application can have 64 programs; up to 12 communication modules can be connected to the CEX bus, and the expansion performance is strong. |
ABB 3BSE076940R1 PM862K01
Core Application & Problem Solved
The PM862K01 solves these pain points effectively. Its 0.18ms fast logic operation speed can ensure that the system responds to parameters such as temperature and pressure in the production process in real time and issues control commands. For example, in the continuous distillation process of a petrochemical plant, when the tower top temperature fluctuates beyond the threshold, the module can quickly calculate and adjust the valve opening to avoid product quality degradation. At the same time, the dual Ethernet port design can realize redundant communication of the control network, and the RS-232C serial port can be connected to a configuration tool for on-site debugging, which solves the problem of unstable communication in industrial environments. In addition, its expandable design allows enterprises to add communication modules or I/O clusters according to production expansion needs without replacing the core CPU, reducing upgrade costs.
ABB 3BSE076940R1 PM862K01
Installation & Maintenance Tips800xahardwareselector.automation.abb.com
- Pay attention to compatibility when configuring software: The module must be used with System 800xa 6.0.2 and above, and Compact Control Builder 6.0.0 and above. Using lower version software will cause problems such as failure to recognize the module or abnormal program operation. It is recommended to verify the software version before configuration.
- Standardize Din rail installation: Adopt the special slide rail locking mechanism of the module. During installation, ensure that the module is firmly clamped on the Din rail to avoid poor contact caused by vibration in the industrial site. At the same time, reserve a certain heat dissipation space around it to prevent the maximum 8.6W power consumption from causing overheating.
- Protect the communication port during wiring: When connecting the Ethernet port and serial port, avoid pulling the cable hard. The COM4 port as the configuration port is an isolated interface, and special configuration cables should be used to prevent interface damage caused by voltage mismatch.
- Regularly check the backup battery: The 3.6V lithium battery is used to back up data such as the real-time clock. It is necessary to regularly check the battery status during daily maintenance. If the time synchronization error of the controller exceeds 1ms, the battery should be replaced in time to avoid data loss.
- Do a good job in power supply stability control: The module’s power supply voltage range is 19.2 – 30VDC. A voltage stabilizer can be configured in the harsh power supply environment of the industrial site. At the same time, make use of the redundant power supply status input function to connect the standby power supply to ensure uninterrupted power supply of the module.
