Eaton is pleased to announce the release of the centralization unit LM 4I/4O-M for energy management system applications packed with features. It is designed to record KWH energy pulses as well as gas and water pulses. It is DIN rail mount (4 modules) with overall dimensions 71(W)x93(H)x58(D)mm. It is compatible with all the Circutor energy meters as well with other brand energy meters with the remark that the duration of the pulse should not be less than 100 milliseconds (50 milliseconds for ON plus 50 milliseconds for OFF). It can accept up to four (4) energy meters as opto-coupled inputs by connecting one wire from each meter to the respective LM 4I/4O-M input and looping the common. It is powered with a standard 240Vac single phase. It is built-in with retentive memory that can hold the data even if a power failure occurred. All the data in its memory can be communicated via an RS485 Modbus RTU protocol and can be interfaced to a BMS/PLC systems or central management PC. Each memory register is 32 bits and therefore up to FFFF FFFF in hexadecimal equivalent to 4,294,967,295 pulses can be reached before starting again from zero. It has four relay outputs that can be activated or de-activated from a master location using a “write” function. The duration of the pulse for these 4 ROs is variable and can be programmed by the user. The minimum pulse duration is 20mS and the maximum is 5.1S. The unit is fully compatible with the Circutor management software packages (POWERSTUDIO, POWERSTUDIO SCADA & POWERSTUDIO SCADA DELUXE).