If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB RLM01 3BDZ000398R1 Redundant Link Module Introduction The ABB RLM01 3BDZ000398R1 Redundant Link Module is engineered to enhance the reliability and availability of communication networks within ABB automation systems. By providing a redundant communication path between controllers *Your Name: *Your Email: *Your Name: *Vdcode: Submit