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Radio Design Labs TX-PCR1
Paging Control Relay

OUR PART #  TX-PCR1

Our Price: $134.96
List Price: $180.54
You save 25%! (Low Price Guarantee)
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Recommended Accessories

Radio Design Labs' TX-PCR1 is ideal where switching needs to be controlled from a constant voltage amplified audio source. The module will trigger on any program material, with paging sources being the most common. The TX-PCR1 includes both an open-collector SLAVE output to control other modules or equipment and a DPDT high power switching relay suited to switching speaker loads.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

The amplified audio source is connected using a detachable terminal block. A front panel switch is provided to select the source type: 25 V, 70 V or 100 V. The 25 V setting may be used for an 8 ohm, 75 Watt maximum, amplified source. Input sensitivity is adjusted on a single-turn trimmer. In the clockwise position, the sensitivity trigger threshold is 30 dB below the switch-selected constant voltage. A red LED illuminates whenever the audio level exceeds the trigger threshold, facilitating the sensitivity adjustment.

The module is triggered when the audio exceeds the threshold and it remains triggered for a defined time duration after the audio falls below the threshold. This DELAY is adjustable from 3 to 25 seconds using a front panel trimmer. Adjustment is simplified by a green LED that remains illuminated while the module is triggered. The SLAVE terminal may be used as either an input or output control terminal. When the module is triggered, the SLAVE terminal is internally pulled to ground through an open collector. If the TX-PCR1 SLAVE terminal is externally pulled to ground through a switch or the open-collector terminal of another RDL module, the relay will energize until the terminal is released. A blue POWER LED illuminates when the TX-PCR1 is powered from an external 24 Vdc power supply.

Use the TX-PCR1 relay contacts to switch speaker lines or to control the logic inputs of other equipment with control inputs that may not be pulled up to 24 V. The TX-PCR1 is ideal to provide local speaker muting during an area page. The double pole contacts allow local speakers to be automatically connected to a paging line during a page and reconnected to the local amplifier when the page is completed. If additional speaker lines need to be switched, the SLAVE terminal may be used to control additional TX-PCR1 modules or RDL ST-LCR1H High Power Logic Controlled Relays.

Radio Design Labs TX-PCR1 Features:

  • Switch-Selectable Input: 25 V, 70 V, 100 V
  • 25 Volt Input Also Accepts 8 O Inputs up to 75 Watts
  • Switching Functions Controlled by Speaker Level Source
  • Input Accepts Amplified Constant Voltage Signals
  • Transformer-Isolated Input
  • Front Panel Trimmer Provides Sensitivity Adjustment
  • Front Panel Trimmer Provides Release Delay Adjustment
  • Signal Threshold LED Facilitates Sensitivity Adjustment
  • LED Indicates when Module is Triggered
  • Release Delay Adjustable from 3 to 25 Seconds
  • Open-Collector Output Active when Module is Triggered
  • Switches on Paging or Any Other Amplified Audio Signal
  • 8 Amp DPDT Relay Contacts for Switching Speaker Loads
  • Ideal for Muting or Switching Primary Speakers During Paging
24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

In Stock

Our Price:$22.92List Price: $30.67You save 25%!

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Radio Design Labs TX-PCR1
Paging Control Relay

OUR PART #  TX-PCR1

Product Information:

Radio Design Labs' TX-PCR1 is ideal where switching needs to be controlled from a constant voltage amplified audio source. The module will trigger on any program material, with paging sources being the most common. The TX-PCR1 includes both an open-collector SLAVE output to control other modules or equipment and a DPDT high power switching relay suited to switching speaker loads.

NOTE: Radio Design Labs' PS-24AS power supply is NOT included but is required in order to power this product.  Please see the "Accessories" tab or click here for more information on the PS-24AS power supply.

The amplified audio source is connected using a detachable terminal block. A front panel switch is provided to select the source type: 25 V, 70 V or 100 V. The 25 V setting may be used for an 8 ohm, 75 Watt maximum, amplified source. Input sensitivity is adjusted on a single-turn trimmer. In the clockwise position, the sensitivity trigger threshold is 30 dB below the switch-selected constant voltage. A red LED illuminates whenever the audio level exceeds the trigger threshold, facilitating the sensitivity adjustment.

The module is triggered when the audio exceeds the threshold and it remains triggered for a defined time duration after the audio falls below the threshold. This DELAY is adjustable from 3 to 25 seconds using a front panel trimmer. Adjustment is simplified by a green LED that remains illuminated while the module is triggered. The SLAVE terminal may be used as either an input or output control terminal. When the module is triggered, the SLAVE terminal is internally pulled to ground through an open collector. If the TX-PCR1 SLAVE terminal is externally pulled to ground through a switch or the open-collector terminal of another RDL module, the relay will energize until the terminal is released. A blue POWER LED illuminates when the TX-PCR1 is powered from an external 24 Vdc power supply.

Use the TX-PCR1 relay contacts to switch speaker lines or to control the logic inputs of other equipment with control inputs that may not be pulled up to 24 V. The TX-PCR1 is ideal to provide local speaker muting during an area page. The double pole contacts allow local speakers to be automatically connected to a paging line during a page and reconnected to the local amplifier when the page is completed. If additional speaker lines need to be switched, the SLAVE terminal may be used to control additional TX-PCR1 modules or RDL ST-LCR1H High Power Logic Controlled Relays.

Radio Design Labs TX-PCR1 Features:

  • Switch-Selectable Input: 25 V, 70 V, 100 V
  • 25 Volt Input Also Accepts 8 O Inputs up to 75 Watts
  • Switching Functions Controlled by Speaker Level Source
  • Input Accepts Amplified Constant Voltage Signals
  • Transformer-Isolated Input
  • Front Panel Trimmer Provides Sensitivity Adjustment
  • Front Panel Trimmer Provides Release Delay Adjustment
  • Signal Threshold LED Facilitates Sensitivity Adjustment
  • LED Indicates when Module is Triggered
  • Release Delay Adjustable from 3 to 25 Seconds
  • Open-Collector Output Active when Module is Triggered
  • Switches on Paging or Any Other Amplified Audio Signal
  • 8 Amp DPDT Relay Contacts for Switching Speaker Loads
  • Ideal for Muting or Switching Primary Speakers During Paging
24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

In Stock

Our Price:$22.92List Price: $30.67You save 25%!

Click to download

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