Comparison : Item # 6KCV300DGF, Digital General Function Card
Item # 6KCV300DCN, DeviceNet Option Card (DGF Card Required)
Item # 6KCV300DVN, SBI DeviceNet Option Card (without DGF)
Item # 6KCV300PDP, Profibus-DP Bus Communication Option Card
Item # 6KCV300INS, Interbus-S Bus Communication Option Card
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