User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE4.12.2 Relay Outputs (Cont.)InertiaFor Type = Valve Raise only, this allows a value to be entered (in seconds) to take intoaccount valve run-on.BacklashFor Type = Valve Raise only, this allows a value to be entered (in seconds) in order tocompensate for backlash in the valve linkage.Standby action For Type = Valve Raise only, this specifies the valve action when the instrument is instandby mode.Continue: Output continues at the demanded levelFreeze: The valve stops being driven.OutputOff = relay contacts open; On = relay contacts closed.4.12.3 Digital inputsThis applies to terminals pairs LALC, LBLC (figure 2.2). Highlight the relevant terminal pair, then operate thescroll key to reveal the configuration menu.Module Ident Dig.InTypeContact I/PPV0 = contact is open; 1 = contact is closed.InvertInverts the sense of the input.4.12.4 Digital outputsThis applies to terminal pair 2A2B (figure 2.2). Highlight 2A2B, then operate the scroll key to reveal the configurationmenu.Module Ident Dig.OutTypeOn Off O/P, Time Prop O/P or Valve RaisePVFor On Off O/P, a value ≥ 0.5 drives the output high, otherwise, the output is driven low.For Time Prop O/P, the value is the demanded output %.Min On Time For Type = Time Prop O/P only, this allows a minimum on time to be specified. Configurablerange = 0.1 to 150 secondsInvertInverts the output sense for digital outputs; or the input signal for digital inputs.InertiaFor Type = Valve Raise only, this allows a value to be entered (in seconds) to take intoaccount valve run-on.BacklashFor Type = Valve Raise only, this allows a value to be entered (in seconds) in order tocompensate for backlash in the valve linkage.Standby action For Type = Valve Raise only, this specifies the valve action when the instrument is instandby mode.Continue: Output continues at the demanded levelFreeze: The valve stops being driven.OutputOff = output being driven low; On = output being driven high.HA030554Issue 7 Nov 12Page 147