Frequency Transducer/Pulse Counter. 1-channel. Ident. no.: 7580207. Input circuits monitored for wire-break and short-circuit . Parameterized via PC. Complete galvanic isolation. Input reverse-polarity protected. Removable spring type terminals. ATEX, IECEx, cFM, cUL, NEPSI, INMETRO, Kosha, TIIS,. Use in Zone 2. SIL 2