// Basic temperature control (example) // IF evaporator temp > setpoint+deadband -> stay on // ELSE IF temp < setpoint -> stop (back to state 0) IF (AI_AI2 < (temp_setpoint - temp_deadband)) THEN DO_COMPRESSOR = 0; DO_FAN = 0; state = 0; END_IF
A visual, drag-and-drop environment ideal for traditional HVAC/R sequencing.
The pCO5 caters to the most demanding designers by offering up to five serial lines. Three of these lines are always integrated, while two can be added via optional expansion cards. This multitudes of ports support a wide range of communication protocols, including Modbus, CAREL, BACnet, KNX, LonWorks, TCP/IP, HTTP, FTP, DHCP, DNS, NTP, and SNMP. This allows the controller to interface seamlessly with modern Building Management Systems (BMS) and field devices such as inverter compressors and EC fans.
: Connect standard HVAC blocks (e.g., compressor management, electronic expansion valve control) inside the Strategy Editor. carel pco5 programming software top
Do you need help setting up like compressor rack management?
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For standard industrial communication with field devices or BMS systems. // Basic temperature control (example) // IF evaporator
Within the broader pCO ecosystem, the c.pCO series stands out as a specific high-performance offering. These controllers feature up to two built-in Ethernet interfaces for fast variable exchange between controllers at 100 Mb/s and support multi-master and multi-protocol communication. They are developed using the same programming tools (1tool/STone) and are designed for applications requiring exceptional networking capabilities and advanced HVAC/R system efficiency.
: The legacy development tool for the CAREL programmable platform. It features five integrated environments for designing, testing, debugging, and commissioning HVAC/R control strategies.
The pCO5 controllers are built around a powerful , with either 4 or 8 MB of memory . This ensures high performance in terms of speed and memory space, allowing for complex control algorithms to run seamlessly. The pCO5+ also offers "High Speed" (HS) models, which feature a more advanced CPU for enhanced application and upgrade speeds. This multitudes of ports support a wide range
: Pre-made function blocks that include both control logic and a user interface.
Additionally, (in pCO Manager) is a real-time monitoring and configuration tool that allows operators to supervise application performance, debug issues, manage variables, and handle alarms.
: Allows developers to format and load application files onto standard USB flash drives. Technicians can then update the pCO5 on-site without needing a computer, utilizing the controller's built-in USB host port. Role : Communication network designer.
(* Anti-windup for cooling PID *) IF enable_cooling THEN pid_out := PID_COOL(SP_Temp, PV_Temp, Kp, Ti, Td); IF pid_out > 100.0 THEN pid_out := 100.0; (* Prevent integral accumulation *) PID_COOL.antiwindup := TRUE; END_IF ELSE pid_out := 0.0; PID_COOL.reset := TRUE; END_IF