I need a PLC's for ventilation system and management of heat node equipment.
1. PLC with AI-2, 0-AO, DI-2, DO-6
2. PLC with AI-6, AO-4, AI-20, DO-17
3. PLC with AI-2, AO-1, DI-10, DO-18
4. Programmable regulator AI-7, DO-6
5. Programmable regulator AI-7, DO-6 VAS-AVS
6. Controller DI-10, DO-9
The project provided PLC's must have:
• analog inputs (0..10 V) - for sensors or other electrical signals;
• analog outputs - for continuous regulation (0..10 V) range;
• digital inputs - switches or other electrical equipment;
• digital outputs - equipment on and off via an intermediate relay (~ 24V / 0.1A).
Regulator must have LED display and control buttons to change parameters . Regulator has to have a real-time clock and communication channel for data exchange with PC. In case of power loss the regulator must ensure the preservation of parameters in memory.
Which controllers would you recommend?