ABB’s PM864AK01 control processor, which contains the controller PM864A, base plate TP830, terminals TB850, TB807, TB852 for saving backup batteries and other accessories.
CPU module is mainly composed of a microprocessor (CPU chip) and memory. In the PLC control system the plant CPU module is equivalent to the human brain, which constantly collects input signals, executes user programs and refreshes the output of the system; the memory is used to store programs and data.
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Input (1nput) modules and output (Output) modules are referred to as I/O modules, they are the eyes, ears, hands and feet of the system and are the bridge between external field devices and the CPU module.
Input modules are used to receive and collect input signals. Switching input modules are used to receive switching input signals from push buttons; selector switches, digital dip switches, limit switches, proximity switches, photoelectric switches, pressure relays, etc.; analogue input modules are used to receive continuously changing analogue current and voltage signals from potentiometers, speed generators and various transmitters.
The switching output module is used to control output devices such as contactors, solenoid valves, solenoids, indicators, digital display devices and alarm devices, while the analogue output module is used to control actuating devices such as regulating valves and frequency converters.
The working voltage of the CPU module is generally 5V, while the input/output signal voltage of the PLC is generally higher, such as 24V DC and 220V AC. the spike voltage and interference noise introduced from outside may damage the components in the CPU module, or make the PLC not work properly. In the I / O module, with photocouplers, phototransistors, small relays and other devices to isolate the internal circuit of the PLC and the external I / O circuit, I / O module in addition to the transfer of signals, there is a level conversion and isolation role.
| PM851AK01 | 3BSE066485R1 |
| PM856AK01 | 3BSE066490R1 |
| PM858K01 | 3BSE082895R1 |
| PM858K02 | 3BSE082896R1 |
| PM860AK01 | 3BSE066495R1 |
| PM862K01 | 3BSE076940R1 |
| PM862K02 | 3BSE081636R1 |
| PM866AK01 | 3BSE076939R1 |
| PM866AK02 | 3BSE081637R1 |
| PM891K01 | 3BSE053241R1 |
| PM891K02 | 3BSE053242R1 |
| SB822 | 3BSE018172R1 |
| PM857K01 | 3BSE088385R1 |
| PM857K02 | 3BSE088386R1 |
| PM863K01 | 3BSE088381R1 |
| PM863K02 | 3BSE088382R1 |
| PM867K01 | 3BSE076355R1 |
| PM867K02 | 3BSE081638R1 |
| SM811K01 | 3BSE018173R1 |
| SM812K01 | 3BSE072270R1 |
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We do other brands: ABB, Allen-Bradley, Schneider, GE (General electric), Westinghouse, FANUC, Bently, KUKA, Foxboro, Triconex, Honwell, YASKAWA, etc., if you need, you can contact me, look forward to your consultation.
