text: <s>[INST] The difference between SK-R1-EMCFLT1-F8 and SK-R1-EMCFLT2-F8 The convert EMC filter board spare part in PF755 drive is SK-R1-EMCFLT2-F8. The old spare part Cat. string is SK-R1-EMCFLT1-F8. I want to know what the difference between two EMC filter board? [/INST] Please read the following Service Manual, starting page 28. http://literature.rockwellautomation.com/idc/groups/literature/documents/tg/750-tg001_-en-p.pdf - fuzzy logic In order to enhance the reputation of the Forum's contributors, please rate the replies you got and remember to close the thread clicking Choose as Best Answer button over the solving answer. Thanks ! \\n </s>