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Related Products

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  650-120-24

  Loop Power Supply

  Input: 120VAC Output: 24VDC regulated

  The Model 650 Loop Power Supply provides DC power for instrumentation control modules. Each option provides three output selections. For example the Model 650-240-24 has output options of 24 VDC regulated, 32 VDC unregulated, and 60 Hz pulse at 46 peak volts (See datasheet for all output selections).

  All outputs for the Model 650 are floating, electrically isolated from ground. A power status indicator (LED) is located on the top of the unit. The POWER LED comes ON when power is applied.

  Applications for this device include two-wire current loop transducers, such as pressure, voltage or current. The Model 650 may also be used with alarm indicators, meters and timers.

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• 

  850-24VDC

  Two Hand Control Module

  24 VDC

  The Model 850 Two Hand Control Module is designed to be used with two palm or push-button switches, which must be closed within 0.5 seconds of each other to operate machinery. As long as both switches are pressed, the relay will remain energized in the continuous mode. For applications requiring a pulse to initiate operations, the Model 850 can be set to produce a pulse output by connecting a resistor to pins 4 and 7. The resistor value in ohms should be 100,000 times the desired time in seconds (R=100,000 x T). The internal relay de-energizes on completion of the pulse, even if both switches are depressed. The relay also will de-energize immediately, if either hand switch is released, in standard or pulsed mode. The compact size of the Two-Hand Control Module allows installation into an existing control panel. It can be used with any type of machinery requiring safe, two-handed operation such as presses, punches, cutters, etc. The standard nominal supply voltages are 120VAC, 240VAC, or 24VAC at 50/60 Hz. , or 24VDC.

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  412

  Automatic Reverse Controller

  The 412 Automatic Reverse Controller is a current sensor designed to detect jamming of sewage grinders and to initiate the reversing of the grinder. The controller allows the selection of up to five forward/reverse cycles, and provides for an alarm output, if the number of cycles is exceeded. The current loop inputs are designed for direct connection of 10 amps at 240 VAC, or 5 amps at 480 VAC (up to 2hp motors). For higher currents, a current transformer must be used (the CT secondaries are connected to the 5 amp terminals, regardless of voltage). A manual push-button is used to simulate an over current condition and to test the relay contacts and alarm. A current level adjustment is used to optimize the trip point setting. LED indicators show the running direction of the motor and the alarm condition.

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• 

  35

  12CH Randomizer/Sequencer

  Time Mark’s 12 Channel Randomizer/Sequencer can sequence up to 12 channels with one to four channels active at a time. The controller offers 2 modes of operation:
  (1) Sequence Mode: Once triggered, the unit will activate up to four outputs for a predetermined time, deactivate those outputs and then repeat with the next outputs in sequence.
  (2) Random Mode: Once triggered, the unit will activate up to four outputs for a random amount of time (120 to 300 sec.). After that, the unit will deactivate those outputs (1 to 30 sec.), then pick a new set of outputs.
  In either mode: you can adjust the total run time, the number of outputs (up to four), the length of time they stay on and the length of time before the next group of outputs come on.
  Custom programming is available from the factory.

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