The MTL4840/4850 series of HART signal acquisition systems comprise a signal isolation backplane, interface modules, communication modules, and a module backplane. Communication modules with different protocols can connect to various DCS management software to collectively form a HART management system. It supports the FDT/DTM communication protocol, allowing each maintenance station to manage up to 7936 HART instruments.

　　MTL4840/4850 Series Models:

　　MTL4841; MTL4842; MTL4850; MTL4851; MTL4852; MTL4854

　　MTL4840/4850 Series Accessory Models:

　　HCU16; HCU16-CC; HCU16-P250; HCU16-S200; HCU16-S150; HCU16AO; HCU16AO-CC;

　　CPSH16; CPMH16U; BPHM64; BPHM64-CC; HMU16; HMU16-CC; HMU16AO;

　　HM64RIB10-0.5; HM64RIB10-1.0; HM64RIB10-2.0; HM64RIB10-3.0; HM64RIB10-4.0;

　　HM64RIB20-0.5; HM64RIB20-1.0; HM64RIB20-1.5; HM64RIB20-2.0; HM64RIB20-3.0;

　　HMRIB34-0.5; HMRIB34-1.0; HMRIB34-2.0;