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Broadcast Tools SMARTRELAY4

Smart Relay 4 for Converting Closures to a Pulse (SR-4)


The Broadcast Tools Smart Relay 4 is the perfect tool for converting sustained network closures to a pulse, providing four independent DPDT relays and eight optically isolated 5 to 24 vdc wet or dry inputs along with 15 logic functions.

User programmable logic and pulse stretching (delays) may be set from 50 ms to 99 hours, 59 minute and 59.99 seconds. Most programming can be accomplished with simple dipswitch settings, while advanced configuration is performed thought the serial port using a non-dedicated PC with Windows HyperTerminal.

Screw terminals are provided for all connections, while the optional RJ21X cable kit may be used to attach to a standard punch block. Power may be applied to either the coax power jack on the unit or directly on the punch block.

The Smart Relay 4 is supplied in an aluminum Flex-Chassis. The unit may be set on a desktop, mounted on a wall, up to two units mounted on the RM-3 (1-RU) or up to twelve units on the RA-12 (2-RU) Flex Rack Panel.

Broadcast Tools Smart Relay 4 Features:
• Independent DPDT relays
• Eight independent optically isolated 5 to 28 vdc wet or dry inputs
• 15 logic functions
• Basic logic functions can be programmed
• Independent four position dipswitches for all logic function configurations
• Pulse stretcher or time delay may be user programmed from 50 ms to 99 hours, 59 minute and 59.99 seconds
• Convert differing logic levels to DPDT contact closures
• Time delay relays
• Sustained contact to pulse converters
• Rising and/or falling edge pulse converters
• Latching (flip-flop) relays
• Toggle action relays
• Dual alternate action relays
• LED indicators for each relay, power and programming
• Dual power jacks allows for daisy chaining of units from one wall supply

Broadcast Tools SMARTRELAY4 Figure 1

List Price: $239.00
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Backordered until mid July 2021
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