Relays, Timers and Monitors

Relays, Timers and Monitors-FAQ

  • Q: I'm Looking for a Timer that I can use for an application like a Traffic Light

    A: Use the SQ Series timers. Thes have an Adjustable or Fixed Time delay that with a three or four ouput configuration. Note: The time delay is the same for each output

  • Q: How do you Set a TDRU Series timer?

    A: The TDRU timer has two dirfferent Switch banks. One Switch Bank is for setting the mode, and multipliers for the time ranges. The other Switch bank is for setting the time range for Single or Dual Mode. On the side of the timer there is a legend to describe the Mode settings A B C D E
    Single Mode settings for Switches A B C D E respectively (0=off, 1=on):
    1 0 0 0 0
    Delay on Make (DOM): 0 1 0 0 0
    Delay on Break (DOB): 0 0 1 0 0
    Recycle ON 50/50 (REC): 0 0 0 1 0
    Single Shot (SS): 0 0 0 0 1
    Interval (INT): 0 1 0 0 1
    Trailing Edge Single Shot: 1 1 1 0 1
    Inverted Single Shot: 1 0 1 1 1
    Inverted Delay on Break: 0 1 1 1 1
    Accumulative Delay on Make: 0 1 0 1 1
    Retriggerable Single Shot: A B C D E
    Dual Mode settings for Switches A B C D E respectively (0=off, 1=on):
    1 1 0 0 0
    Delay on Make / Delay on Make 1 0 1 0 0
    Delay on Make / Recycle ON 1st 1 0 0 1 0
    Delay on Make / Single Shot 1 0 0 0 1
    Delay on Make / Interval 0 0 1 0 1
    Interval / Recycle ON 1st 0 1 1 0 0
    Delay on Brake / Recycle ON 1st 0 0 1 1 0
    Single Shot / Recycle ON 1st 0 0 0 0 0
    Recycle ON Time / OFF Time 1 1 0 1 1
    Recycle OFF Time / ON Time 0 1 1 1 0
    Interval / Delay on Make 1 1 1 1 1
    Accumulative DOM / Interval

  • Q: I have am using an ARP Series Alternating Relay with solid state control SW, that will not alternate.

    A: The ARP Series Alternating Relay is not intended to be used with solid state controls. It is best to use a Dry contact for S1 & S2. However if a solid state control is used, a pull-up resistor is required to insure there is a voltage drop less than 3 Volts (between terminals 1 and 6 ) in the open state.

  • Q: I have an ARP Series Alternating Relay wired for 230Vac, and it won't alternate.

    A: Sometimes customers try to use a 110Vac ARP on half of a 230Vac system. The 230Vac ARP must be used with 230 Vac Loads

  • Q: How does the Lead Lag work in the ARP Series Alternating Relay?

    A: The Lead Lag is set up with inputs S1 & S2, and outputs Load A & Load B. With the switch set on "Alternate", and SW 1 set up as the first switch(primary) to come on(make), then the following sequence must occure: First Sequence
    Step 1: SW 1 Makes (Turning ON Load A as primary)
    Step 2: SW 2 Makes (Turning ON Load B as a back-up)
    Step 3: SW 2 Breaks (Turning OFF Load B)
    Step 4: SW 1 Breaks (Turning OFF Load A) Second Sequence (Alternate)
    Step 5: SW 1 Makes (Turning ON Load B as primary)
    Step 6: SW 2 Makes (Turning ON Load A as a back-up)
    Step 7: SW 2 Breaks (Turning OFF Load A)
    Step 8: SW 1 Breaks (Turning OFF Load B) The Alternation Sequence will repeat

  • Q: How do you Set the time Ranges TDRU Series timer?

    A: The time ranges are set with the last three switches on the MODE Switch Bank (bank of 8), and the Time Range Switch Bank (bank of 10 switches). The last three on the Bank of 8 switches are used to set up the multiplier for the number that is selected on the Bank of 10 Switch Bank.
    The Multiplier is set as follows (0=off, 1=on):
    On = Min, Off = Sec MIN x 1 0 x0.1 (x is fir the Min/Sec option) x 1 1 x1 (x is fir the Min/Sec option) x 0 1 x10 (x is fir the Min/Sec option) x 0 0 x100(x is fir the Min/Sec option) The Number set as follows (0=off, 1=on):
    Single Mode: Each switch has a number coresponding on it 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
    The sum of the switch numbers in the ON state is the value (Example: 2 + 4 + 8 + 16 = 30)
    Dual Mode: The Switch bank is divided into two parts for each delay. Each switch has a number coresponding on it 1, 2, 4, 8, 16. The sum of the switch numbers in the ON state is the value (Example: 2 + 8 = 10)
    Conclusion:
    If you set the value up for the number 10 and the multiplier is set up for x1 on a single Mode option and the minute switch is OFF.
    You will have a 10 second timer

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