BL67 electronic module. 4 Digital Inputs, Channel Diagnostics, 4 Digital Outputs, PNP, 0.5 A. Ident. no.: 6827203. Independent of the fieldbus and connection technology used. Protection class IP67. LEDs indicate status and diagnostic. Electronics galvanically separated from the field level via optocouplers. 4 digital inputs, 24 VDC. 4 digital outputs, 24 VDC, max. 0.5 A. PNP switching. Channel diagnostics. Adjustable filter times. Invertible inputs