BL67 Electronic Module. 4 IO-Link Master Channels, 16 Bytes of I/O Data. 4 Configurable Digital Channels, PNP, Channel Diagnostics, 0.5 A. Ident. no.: 6827386. 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 IO-Link master acc. to specification V1.1. 4 universal digital channels, PNP, channel diagnostics, 0.5 A