monitoring and control

Parameters of digital control equipment for monitoring and control:

• Conversion A/D: (<0,1 ms);
• Permanent offset characteristic. bp: 1-10%;
• Time constant: Td=0-99 sec;
• Comparative frequency: 47,5-52,5 Hz;
• Neutral zone frequency: 0,05 Hz;
• Frequency measuring accuracy.: <5 mHz;
• Resolution digital TP: <10 mHz;
• Regulator insensitiveness: <10 mHz;
• Digital combinations range (spatial);
• Configurable parameters Idle/ Load/Control P;
• Limitations AD and j configurable
• Supply voltage: 220 Vdc;
• Protection at over voltage, short-circuit;
• Protection at reactions break;
• Checksum and watchdog;
• Input signal: 0-10 Vdc, 4-20 mA;
• Complete diagnosis of the system;
• Control principles: frequency-opening;
• Frequency-power, frequency-upstream level;
• Transfer functions self-adaptability;