品牌名称：黑盒子 Black Box IC820A 通用 RS-232 到 RS-422/485 双向转换器，2 个端口，5 年保修 通用 RS-232 RS-422/485 双向 转换器 2 端口 5 年 保修

Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface-alternate-image1
Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface-alternate-image1
Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface-alternate-image1
品牌名称：黑盒子 Black Box IC820A 通用 RS-232 到 RS-422/485 双向转换器，2...
Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface-alternate-image1

品牌名称：黑盒子 Black Box IC820A 通用 RS-232 到 RS-422/485 双向转换器，2 个端口，5 年保修 通用 RS-232 RS-422/485 双向 转换器 2 端口 5 年 保修

Black Box IC820A

$1,246.00 $1,376.00 節省 $130
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  • 1年 保修
  • 30天退货
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产品关键特征

  • 传输数据高达115kbps或距离可达4000英尺。
  • 在点对点或点对多点应用中操作。
  • 可以采用2线半双工或4线半双工或全双工。
  • 只支持异步（数据引线）。
  • 最多可连接32个RS485设备，创建大型多点网络
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Black Box

IC820A

Black Box IC820A Universal RS-232 to RS-422/485 Bidirectional Converter: Professional-Grade Communication Solution

The Black Box IC820A Universal RS-232 to RS-422/485 Bidirectional Converter is a versatile 2-port communication solution that bridges the gap between RS-232 and RS-422/485 protocols. This TAA-compliant device offers flexible configuration options and reliable performance, backed by an industry-leading 5-year warranty.

Advanced Communication Capabilities

  • Supports both RS-485 2-wire half-duplex and 4-wire full-duplex operations
  • Selectable RS-422 operation with always-enabled transmit and receive functions
  • Automatic RS-485 driver control requiring no special handshaking programming
  • Built-in bridging switches for seamless 2- or 4-wire operation configuration

Flexible Power Options and Installation

The IC820A offers versatile power configuration options:

  • Operates using port power or external 120-VAC/12-VDC power supply
  • Zero external power requirement when two RS-232 output handshake lines are available
  • Convenient terminal block connector for power connection
  • External form factor for easy installation and accessibility

Environmental Compliance and Quality Assurance

  • WEEE environmental certification for responsible disposal
  • TAA compliant for government and institutional applications
  • Made in the United States ensuring high manufacturing standards
  • Comprehensive 5-year limited warranty coverage

Technical Specifications

Specification Detail
Port Configuration 2 Ports
Form Factor External
Power Connection Terminal Block
Warranty Period 5 Years
  • 使您能够选择RS-485 2线半双工模式或RS-485 4线全双工模式。
  • 可选择RS-422操作，发送和接收始终可用。
  • 自动RS-485驱动器控制，无需为握手信号编写特殊程序即可正常工作。在不传输时，还可从RS-232 TD信号转换为接收器。
  • 内置的跳线开关，用于2线或4线操作，无需设置外部跳线。
  • 使用四个开关设置操作模式。
  • 使用端口电源或外部120VAC/12VDC电源转换。
  • 如果两个RS-232输出握手线可用，则无需外部电源。

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.

Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

Black Box IC820A RS-232 to RS-422/485 converter showing terminal block connections and RS-232 port interface

Efficient Protocol Conversion with Advanced Terminal Block Integration

The Black Box IC820A converter features a robust design that seamlessly bridges RS-232 and RS-422/485 communications. The device's intelligent architecture incorporates a precision-engineered terminal block alongside a standard RS-232 connector, enabling flexible installation options and reliable data transmission. The converter's compact form factor houses sophisticated circuitry that supports both 2-wire half-duplex and 4-wire full-duplex operations. Its built-in configuration switches provide straightforward mode selection, while the automatic driver control eliminates the need for complex handshaking programming.

Technical Specifications

  • Dual-port interface supporting RS-232 and RS-422/485 protocols
  • Integrated terminal block for secure wire connections
  • Built-in DIP switches for mode configuration

Applications

  • Industrial automation system protocol conversion
  • Legacy equipment integration with modern control systems
  • Data acquisition system protocol bridging
常见问题
The Black Box IC820A is a versatile RS-232 to RS-422/485 bidirectional converter featuring selectable RS-485 2-wire half-duplex or 4-wire full-duplex operation. It offers automatic RS-485 driver control, built-in bridging switches for 2- or 4-wire operation, and selectable RS-422 operation with always-enabled transmit and receive. The device can be powered either through port power or an external 120-VAC/12-VDC power supply, with no external power needed if two RS-232 output handshake lines are available.
The IC820A offers flexible power options: 1) It can be powered through port power, 2) It can use an external 120-VAC/12-VDC power supply (sold separately), or 3) It can operate without external power if two RS-232 output handshake lines are available. This versatility in power options makes it adaptable to various installation scenarios and requirements.
The Black Box IC820A comes with a comprehensive 5-year limited warranty, providing long-term protection and peace of mind for your investment. This extended warranty period demonstrates Black Box's confidence in the product's reliability and durability.
The IC820A features automatic RS-485 driver control that operates without requiring any special programming for handshaking signals. It automatically enables the transmitter from RS-232 TD signal and activates the receiver when not transmitting, simplifying the integration process and ensuring reliable communication.
The IC820A offers multiple operating modes: RS-485 2-wire half-duplex, RS-485 4-wire full-duplex, and selectable RS-422 operation. These modes can be easily configured using four switches, and the built-in bridging switches eliminate the need for external jumpers for 2- or 4-wire operation.
Yes, the Black Box IC820A is environmentally friendly and carries the WEEE (Waste Electrical and Electronic Equipment) certification. This certification ensures the product meets environmental standards for proper disposal and recycling of electronic equipment.
The Black Box IC820A features 2 ports total, making it suitable for bidirectional conversion between RS-232 and RS-422/485 protocols. This dual-port configuration enables efficient communication between different serial interfaces.
Yes, the Black Box IC820A is TAA (Trade Agreements Act) compliant and manufactured in the United States. This compliance makes it suitable for government and institutional purchases that require adherence to TAA regulations.

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