Single-Channel Time Relay RV1-D2

The single-channel time relay RV1-D2 is a universal single-channel time relay.

Time relay RV1-D2 is designed to count time intervals and to automatically turn on or off actuators with a set periodicity after voltage is applied to the device or after closing an external "dry" contact.
The range of time intervals is from 0.1 seconds to 999 minutes; the on and off times are set using buttons on the front panel of the device.
The single-channel time relay RV1 provides indication of device programming and actuation of the output device.

The following parameters can be set in the single-channel time relay RV1-D2:

• trigger type (the operation logic allows the “Start” input - counting begins from the moment an active level is detected at the “Start” input or while the active level is maintained at this input);
• count mode (sets the sequence of alternating on and off times of the output device);
• active level (sets the type of input signal – closing or opening of a dry contact);
• auto-start (defines device operation after power-on);
• initial state (defines the output state after power is applied to the device);
• time units for relay on/off;
• time of relay ON state;
• time of relay OFF state;
• display mode (sets indication parameters for time intervals during counting and adjustment: direct count, countdown, or fixed interval duration display);
• waiting indication (this parameter allows configuring what is shown on the three-digit display while waiting for an active signal at the “Start” input);
• number of program execution cycles (sets the number of cycles the timer relay will execute when detecting or registering an active signal at the “Start” input. The maximum number of cycles is 99. After all set time intervals (relay ON/OFF) have elapsed, the cycle is considered complete. The device can also operate in infinite cycling mode (number of cycles equals 0)).

The RV1 time relays are made in Z-cases for DIN rail mounting.

The company also produces a universal two-channel controller RP2-T which enables an extended set of functions:

• direct and reverse pulse counting;
• working with an encoder;
• flow meter;
• frequency meter;
• tachometer;
• dosing device;
• equipment operating time counter;
• universal timer;
• time relay.

The RP2-T fully functionally replaces the single-channel time relay RV1-D2.