S&2ð
cod. Carel +030221826 rel. 2.0 dated 03/10/02
4
,1752'8&7,21
The pCO
2
represents the evolution of the well-known pCO electronic control, developed by Carel and designed for multiple
applications in the fields of air-conditioning and refrigeration. The new range has been designed to satisfy the needs of the
leading manufacturers in the sector, who require increasingly innovative and flexible products. There are three sizes,
differentiated according to the I/O and power requirements: S&2
60$//, S&2
0(',80,S&2
/$5*(.
The pCO
2
ensures absolute application versatility, allowing the development of specific products upon customer request.
All of the terminals in the current pCO range are compatible with the new series of boards. In the LARGE version,
microprocessor-based I/O expansions can be connected without requiring a pLAN network.
*(1(5$/)($785(6
All the versions of these controls feature a 16-bit microprocessor and up to 6 MByte of FLASH memory, guaranteeing high
performance in terms of speed and available memory. The pCO² control comes in three sizes, differentiated according to the
number of inputs and outputs, thus ensuring the best possible price/performance ratio.
S&2
60$//0(',80/$5*(
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• 16-bit microprocessor, 14 MHz, internal registers and 32 bit operation, 512 Byte internal RAM;
• up to 6 MByte FLASH MEMORY per program;
• 256 kByte static RAM, upon prior request expandable to 1 MByte;
• 1 RS485 serial port for pLAN;
• ready for connection to RS485 supervisory network;
• clock with replaceable lithium battery;
• 56 Byte of battery backed-up RAM;
• selection of address and LEDs for pLAN;
• DIN plastic case for installation on omega rail;
• 24Vac/Vdc power supply;
• telephone connector for pCO terminals;
• telephone connector for synoptic;
• LED power signal.
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S&2ð60$//',1PRGXOHV
• 8 optically-isolated digital inputs, 24Vac 50/60Hz or 24Vdc;
• 8 relay digital outputs (1 of which with changeover contact);
• 2 analogue inputs, selectable between NTC, PT1000, ON/OFF;
• 3 analogue inputs, selectable between NTC, 0÷1V, 0÷10V, 0÷20 mA, 4÷20mA;
• 4 analogue outputs, 0÷10 V.
S&2ð0(',80',1PRGXOHV
• 12 optically-isolated digital inputs, 24Vac 50/60Hz or 24Vdc;
• 2 optically-isolated digital inputs, 24Vac/Vdc or 230Vac (50/60Hz);
• 13 relay digital outputs (3 of which with changeover contacts);
• 2 analogue inputs, selectable between NTC, PT1000, ON/OFF;
• 6 analogue inputs, selectable between NTC, 0÷1V, 0÷10V, 0÷20 mA, 4÷20mA;
• 4 analogue outputs, 0÷10 V.
S&2ð/$5*(',1PRGXOHV
• 14 optically-isolated digital inputs, 24Vac 50/60Hz or 24Vdc;
• 4 optically-isolated digital inputs, 24Vac/Vdc or 230Vac (50/60Hz);
• 18 relay digital outputs (3 of which with changeover contacts);
• 4 analogue inputs, selectable between NTC, PT1000, ON/OFF;
• 6 analogue inputs, selectable between NTC, 0÷1V, 0÷10V, 0÷20 mA, 4÷20mA;
• 6 analogue outputs, 0÷10 V;
• 1 serial port for I/O expansion.
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The three different sizes feature a version with LCD and keypad built-into the plastic case, and fitted with:
• an LCD display, 4 x 20, with back-lighting (selectable via software);
• 6 buttons;
• 4 LEDs managed by application software.
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