Parker Hannifin S.p.A. - Divisione S.B.C. LVD User’s Manual212.7 Signal cable connectionsA twisted and screened pair must be employed for the analogue reference.The cable for simulated encoder signals must comprise three twisted pairs with a commonscreen.Screened cables are recommended also for digital inputs and outputs.Minimum size of all signal wires is 0.35 mm22.8 Signal cable connection diagramCONTROLLVDREF+REF-A/AB/BC/C87X7 - Reference in151234567X4 - Encoder out24Vdcx15 X7 - Inputs1X6 - OutputsTO EARTH BUSBAR4AXISEncoder inEnableInputReferenceOutput withcontact12voltage free contact output( drive ok )2.9 Frequency input connectionThe RS422 type frequency input can be software-configured in two modes: the first(default) to accept quadrature signals from encoders, the second is frequency/direction mode(refer to the chapter Fundamental parameters bit b42.5).In the former case follow this connection diagram: