ST-ACR1 Line-Level Audio Controlled Relay - 0.5 to 5 s
ST-ACR1 Line-Level Audio Controlled Relay - 0.5 to 5 s | | - Switching Controlled by Audio Signal
- Sensing of Line‑Level Signal
- Silence Sensing
- DPDT Switching Contacts
- Open‑Collector SLAVE Output
| The ST‑ACR1 is an Audio Controlled Relay in the STICK‑ON® series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST‑ACR1 is designed to switch on line level sources. Two multiturn trimmers are provided. The SENS potentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between ‑30 dBu and 0 dBu. The DELAY control sets the time required for the relay to release when the audio drops below the threshold. The delay adjustment range for the ST‑ACR1 is from 0.5 seconds to 5 seconds. | Typical Performance: | Audio Input: | | 10 kΩ balanced bridging | Input Connections: | | May be connected balanced or unbalanced | Control Output: | | Open‑collector @ 25 mA suitable to drive indicators or slave LCR relay | Indicators: | | Audio threshold LED (for setting sensitivity) | Retrigger Delay: | | 250 ms | Contacts: | | Double‑pole‑double‑throw | Max. Switching Power: | | 60 W, (220 Vdc,125 Vac, 2A) | Activation Response Time: | | 25 ms | Input Sensitivity: | | ‑30 dBu to 0 dBu (adjustable) | Relay Release Delay: | | 0.5 sec. to 5.0 sec. nominal (adjustable)
| Power Requirement: | | GROUND‑REFERENCED, 24 to 33 Vdc @ 50 mA*
* Assumes 20 mA max load at SLAVE output | Ambient Operating Environment: | | 0° C to 55° C |
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ST-ACR1M
Microphone Level Audio Controlled Relay - 0.5 to 5 s delay | ST-ACR2
Line-Level Audio Controlled Relay - 5 to 50 s delay |
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Copyright © 2009 Radio Design Labs, Inc. RDL, Radio Design Labs, the RDL logo, STICK-ON, RACK-UP and the Rack-Up logo are registered trademarks of Radio Design Labs, Inc. Flat-Pak, RCX, SourceFlex, SupplyFlex, Sure-Lok, TX, ULTRASTYLE, and Specialists in Practical Precision Engineering are trademarks of Radio Design Labs, Inc. All other trademarks are the property of their respective owners. Typical Performance reflects product at publication time exclusive of EMC data, if any, supplied with product. Date last modified: June 23 2009
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