ABB DP640 3BHT300057R1 Rotational Speed Meter ModuleABB DP640 Rotational Speed Meter Module Medium Description: DP640 Rotational Speed Meter Module Product Type: I O Module Technical Information: Input Speed: Max 50 kHz Current: 13 mA Voltage: 24 V DC or 5 V DC Direction Detection: Through second speed meter input Overspeed Trip Logic: With trip signal output via solid state 24 V DC and dry contact 60 V DC Isolation: Speed meter inputs and solid state output are individually opto isolated RoHS