Viking's model TDR-1 is a time delay relay device designed to be easily configured to fit a wide variety of applications.
The TDR-1 has two trigger inputs, each of which can be pro-grammed to produce one of 8 closure times, for a total of 16 possible closure times. A shunt for each input allows it to be pro-grammed to accept positive-going or negative-going pulses.
The Delay on Operate mode delays an input contact closure by a programmable amount of time. 8 delay times are available, from 1 to 30 seconds.
In the Toggled Output mode, the TDR-1 toggles its output every second or half-second for the duration of the contact closure. Four contact closure times are available. |