IDEC SmartRelay functions124 IDEC SmartRelay Manual4.4.4 Retentive on-delayShort descriptionA one-shot at the input triggers a configurable on-delay time.The output is set when this time has expired.Parameter TNote the defaults specified in Chapter 4.3.2.The time for parameter T can be based on the process vari-able of another, already programmed function. You can usethe process variables of the following functions:• Analog comparator (actual value Ax - Ay, see Chapter4.4.18)• Analog trigger (actual value Ax, see Chapter 4.4.16)• Analog amplifier (actual value Ax, see Chapter 4.4.20)and• Up/down counter (actual value Cnt, see Chapter 4.4.13).Symbol inIDEC SmartRelayWiring DescriptionInput Trg A signal at input Trg (Trigger)triggers the on-delay time.Input R A signal at input R resets theon-delay time and the output.Parameter T represents the on-delaytime for the output (outputstatus transition 0 to 1).Retentivity:/ = no retentivityR = The status is retentive.Output Q Q is set after the time T hasexpired.ngineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.ste
