490-4702-ND Circuit Mount Buzzer
Circuit Mount Buzzer
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Circuit Mount Buzzer | |
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Code: 490-4702-ND Price: $10.53 Shipping Weight: 0.50 pounds | |
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Computer Control
- ProXR Series
ProXR: Expandable Computer Controlled Relays
The ProXR Series Controller allow computers to read contact closure inputs, analog to digital converters and control up to 256 Relays using a single computer interface. ProXR series controllers focus on expansion for industrial control applications.
Computer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 2 4 8 16 24 32 Solid State Relays WiFi 2 4 8 16 24 32 Solid State Relays Wireless Options 802.15.4 (Most Popular) 2 4 8 16 24 32 Solid State Relays Bluetooth 2 4 8 16 24 32 Solid State Relays XSC Long Range 2 4 8 16 24 32 Solid State Relays ZigBee Mesh 2 4 8 16 24 32 Solid State Relays Wired Options RS-232 Serial 2 4 8 16 24 32 Solid State Relays USB 2 4 8 16 24 32 Solid State Relays Fiber Optic 2 4 8 16 24 32 Solid State Relays Expansion Boards XR Relay Expansions 4 8 16 24 32 Solid State Relays UXP Expansions Potentiometers Contact Closure Inputs A/D Conversion - ProXR Lite Relays
Computer Controlled ProXR Lite Relays
The ProXR Lite product line allows computers to read up to 8 analog inputs and control up to 8 relays.
Non-Expandable, the ProXR Lite Product Line focuses on interchangeable Computer Interface Modules and Low CostComputer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 1 2 4 8 Solid State Relays Ethernet with Web Interface 1 2 4 8 Solid State Relays WiFi 1 2 4 8 Solid State Relays WiFi with Web Interface 1 2 4 8 Solid State Relays Wireless Options 802.15.4 (Most Popular) 1 2 4 8 Solid State Relays Bluetooth 1 2 4 8 Solid State Relays XSC Long Range 1 2 4 8 Solid State Relays ZigBee Mesh 1 2 4 8 Solid State Relays Wired Options RS-232 Serial 1 2 4 8 Solid State Relays USB 1 2 4 8 Solid State Relays - Low Cost Relays
Low Cost Relays
Focusing on Cost Reduction and High Volume Manufacturing, the Low Cost Series are No-Frills Relay Controllers that offer Basic Computer Control at Low Communications Speed.
Computer Interface: Number of Relays on Controller: Ultra Low Cost Wired Low Cost Relays 1 2 Wireless Low Cost Relays 1 2 Professional Grade Low Cost Wired Relays 1 2 4 8 Wireless Relays 1 2
Stand-Alone
- Reactor Relays
Reactor: Sensor Controlled Relays
Activate Relays when Sensors Reach Limits. Trigger Timers, Counters, and Events.
Use a Computer to Setup the Reactor, then Let the Reactor Work by itself without a computer.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.Computer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 1 2 4 8 Solid State Relays Ethernet with Web Interface 1 2 4 8 Solid State Relays WiFi 1 2 4 8 Solid State Relays WiFi with Web Interface 1 2 4 8 Solid State Relays Wireless Options 802.15.4 (Most Popular) 1 2 4 8 Solid State Relays Bluetooth 1 2 4 8 Solid State Relays XSC Long Range 1 2 4 8 Solid State Relays ZigBee Mesh 1 2 4 8 Solid State Relays Wired Options RS-232 Serial 1 2 4 8 Solid State Relays USB 1 2 4 8 Solid State Relays - Key Fob Relays
Key Fob Reactor: Remote Controlled Relays
Activate Relays with a Remote Control Key Fob. Trigger Timers, Counters, and Events.
Use a Computer to Setup the Key Fob Reactor, then Let the Key Fob Reactor Work by itself without a computer.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.Computer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 1 2 4 8 Solid State Relays Ethernet with Web Interface 1 2 4 8 Solid State Relays WiFi 1 2 4 8 Solid State Relays WiFi with Web Interface 1 2 4 8 Solid State Relays Wireless Options 802.15.4 (Most Popular) 1 2 4 8 Solid State Relays Bluetooth 1 2 4 8 Solid State Relays XSC Long Range 1 2 4 8 Solid State Relays ZigBee Mesh 1 2 4 8 Solid State Relays Wired Options RS-232 Serial 1 2 4 8 Solid State Relays USB 1 2 4 8 Solid State Relays - Taralist Relays
TaraList: Time Controlled Relays
Time Schedule Activated Relays with Computer Interface. Use a Computer to Setup the Time Schedule.
Taralist Series Controllers do not require a computer after initial configuration.
Manually Take Control of Relays from Anywhere in the World using a Computer as needed.Computer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 1 2 4 8 16 24 32+ Solid State Relays Ethernet with Web Interface 1 2 4 8 16 24 32+ Solid State Relays WiFi 1 2 4 8 16 24 32+ Solid State Relays WiFi with Web Interface 1 2 4 8 16 24 32+ Solid State Relays Wireless Options 802.15.4 (Most Popular) 1 2 4 8 16 24 32+ Solid State Relays Bluetooth 1 2 4 8 16 24 32+ Solid State Relays XSC Long Range 1 2 4 8 16 24 32+ Solid State Relays ZigBee Mesh 1 2 4 8 16 24 32+ Solid State Relays Wired Options RS-232 Serial 1 2 4 8 16 24 32+ Solid State Relays USB 1 2 4 8 16 24 32+ Solid State Relays - MirC Relays
MirC: 1-Way Remote Contact Closure Control
The MirC Product Line Consist of TWO Controllers, Offering Contact Closure Inputs in One Location that Control Relays in a Remote Location. The Transmitter Shows the Status of the Receiver. Smart Features optionally Turn Off Remote Relay if Communications is Lost. Sold in Pairs ONLY.
Computer Interface: Number of Relays on Controller: Internet Relay Control with Global Access Network/Interned Based Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Wireless Option Wireless Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Secure/Encrypted Wireless Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Wired Option Direct Wired Contact Closure Controlled Relays 1 2 4 8 Solid State Relays - MirX Relays
MirX: 2-Way Remote Contact Closure Control
The MirX Product Line Consist of TWO Controllers, Offering Contact Closures and Relays on Each Controller. The Contact Closure Inputs at Location A control Relays at Location B. The Contact Closure Inputs at Location B control Relays at Location A. Each Controller Remotely Controls the Other. Smart Features optionally Turn Off Relays if Communications is Lost between the Two Controllers. Sold in Pairs ONLY.
Computer Interface: Number of Relays on Controller: Internet Relay Control with Global Access Network/Interned Based Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Wireless Option Wireless Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Secure/Encrypted Wireless Contact Closure Controlled Relays 1 2 4 8 Solid State Relays Wired Option Direct Wired Contact Closure Controlled Relays 1 2 4 8 Solid State Relays
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Interface Technologies
Computer Interface: Number of Relays on Controller: Network and Internet Options Ethernet 1 2 4 8 16 32 Solid State Relays Ethernet with Web Interface 1 2 4 8 16 32 Solid State Relays WiFi 1 2 4 8 16 32 Solid State Relays WiFi with Web Interface 1 2 4 8 16 32 Solid State Relays Wireless Options 802.15.4 (Most Popular) 1 2 4 8 16 24 32 Solid State Relays Bluetooth 1 2 4 8 16 24 32 Solid State Relays XSC Long Range 1 2 4 8 16 24 32 Solid State Relays ZigBee Mesh 1 2 4 8 16 24 32 Solid State Relays Wired Options RS-232 Serial 1 2 4 8 16 24 32 Solid State Relays USB 1 2 4 8 16 24 32 Solid State Relays Fiber Optic 2 4 8 16 24 32 Solid State Relays
Additional Products
- A/D Converters
- Contact Closure Inputs
- Product Accessories
- Retail Software
- Additional Products
Miscellaneous Products and Accessories
- Application Videos
Product Support
- Resources
Informational and Technical Resources
- Video Resources
- Internet Relay Control
- Contact Information
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About National Control Devices
Tools and Resources
National Control Devices, LLC
All orders must be placed online
PO Box 455 - Osceola - MO - 64776
Phone: 417.646.5644
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