ARITECH FIRE STMTS/S1-256B Microprocessor gas detection system. equipped with 8 4-20 mA inputs on board. expandable by an additional 256 inputs

Microprocessor gas detection system. equipped with 8 4-20 mA inputs on board. expandable by an additional 256 inputs. through 4 open or 2 closed RS485 serial lines. Detectors that can be connected to the RS485 serial line through concentration modules with 8 STG/IN8S inputs or addressed individually through an ST.S/IDI module. installed on board the sensor. The control unit has 8 pre-set relay outputs. expandable by an additional 256 open collector outputs. through STG/OUT16S modules. connected directly to serial lines. Complete with high brightness LCD display and management keyboard. Internal memory that can be viewed from the display or downloaded to a PC. RS232 serial port for PC and parallel port for printer. Supplied in an IP65 plastic container and equipped with a power supply with 230Vac input and a field output of 24Vcc - 4A. Internal space for 2 12V-7Ah batteries. ATEX and SIL1 certification.