Black Box IC821A Universeller RS-232 zu RS-422/485 Konverter Opto-Isolation 2 Ports

Black Box IC821A RS-232 to RS-422/485 converter showing DB9 connector, terminal blocks, and status LED indicators against white background-alternate-image1

Black Box IC821A Universeller RS-232 zu RS-422/485 Konverter Opto-Isolation 2 Ports

Black Box IC821A

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Produkthauptmerkmale

  • 🔄 Universal RS-232 to RS-422/485 signal conversion
  • ⚡ 2000-VAC isolation protection
  • 🔌 2 ports with DB9 female connector for RS-232
  • 🛠️ Selectable RS-422 and RS-485 operation modes
  • 🔁 Auto RS-485 driver control without external software
  • 🔀 Supports 2-wire half-duplex or 4-wire full-duplex
  • 📦 Compact size: 1.7" x 0.9" x 3.9"
  • 🏆 TAA Compliant and RoHS certified
  • 🔋 Terminal block power connection
  • 🛡️ 1-year limited warranty
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Black Box IC821A Universeller RS-232 zu RS-422/485 Konverter Opto-Isolation 2 Ports

This item: Black Box IC821A Universeller RS-232 zu RS-422/485 Konver...

$135.49

Total price: $135.49
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  • Rückerstattungsrichtlinie

Black Box

IC821A

Black Box Universal RS-232 to RS-422/485 Converter with Opto-Isolation

Transform your serial communication capabilities with the Black Box IC821A Universal RS-232 to RS-422/485 Converter. This professional-grade converter features 2000-VAC opto-isolation and seamlessly converts RS-232 signals to RS-422/RS-485 signals and vice versa, requiring no external software for data flow control.

Advanced Communication Features

  • Robust 2000-VAC isolation protection
  • Selectable RS-422 operation modes
  • Versatile RS-485 configuration for 2-wire half-duplex or 4-wire full-duplex
  • Automatic RS-485 driver control
  • DB9 female connector for RS-232 DCE interface
  • Removable terminal block for RS-422/RS-485 connections

Technical Specifications

Specification Detail
Dimensions 1.7" (H) x 0.9" (W) x 3.9" (D)
Form Factor External
Port Configuration 2 Ports (RS-232 and RS-422/485)
Power Interface Terminal Block

Compliance and Warranty

This TAA-compliant device is manufactured in the United States and meets RoHS environmental standards. Backed by a comprehensive 1-year limited warranty, ensuring reliable performance for your industrial communication needs.

Der BLACK BOX® Universal RS-232 zu RS-422/485 Konverter mit Opto-Isolierung isoliert und konvertiert RS-232-Signale in RS-422/RS-485-Signale und umgekehrt. Im Gegensatz zu anderen Konvertern ist keine externe Software erforderlich, um den Datenfluss zu steuern. Der RS-232-Eingang ist für DCE über einen DB9-Buchsenanschluss verkabelt, und RS-422/RS-485-Signale werden über einen abnehmbaren Anschlussblock angeschlossen. Um externen Strom an den Anschlussblock zu liefern, benötigen Sie unser 120-VAC/12-VDC Wandnetzteil (PS1003).

Für RS-232 erfordert die Verbindung RD, TD und Signal Ground.

Im RS-422-Modus ist der Treiber immer für die Vollduplexkommunikation aktiviert. Ein verdrilltes Paar ist für das Senden erforderlich, und ein verdrilltes Paar ist ebenfalls für den Empfang erforderlich. Ein Erdungsanschlussdraht wird ebenfalls benötigt. Die Schalteinstellungen sind Schalter 1: RS-422; Schalter 2: Echo Ein; Schalter 3 und 4: 4-Draht.

In beiden RS-485-Modi wird der RS-485-Treiber während jedes Leerzustands automatisch durch das Vorhandensein eines RS-232-Signals aktiviert. Wenn die RS-232-Daten sich im Mark- oder Leerlaufzustand befinden, wird der RS-485-Treiber deaktiviert und die RS-485-Datenleitungen werden durch den Bias, der durch einen 4,7-Ohm-Widerstand bereitgestellt wird, in einem Markzustand gehalten; der Wert dieses Widerstands muss je nach verwendeter Terminierung möglicherweise geändert werden.

Um sich mit mehreren RS-485-Geräten mit minimalem Kabel zu verbinden, wählen Sie den 2-Draht-Halbduplex-RS-485-Modus des Geräts. Wenn Daten angefordert werden, sendet das adressierte Gerät und wechselt dann zurück in den Empfangsmodus. Die Schalteinstellungen für diesen Modus sind Schalter 1: RS-485; Schalter 2: Echo Aus; Schalter 3 und 4: 2-Draht.

Für 4-Draht-Master/Slave-Schaltungen wählen Sie den 4-Draht-Vollduplex-RS-485-Modus des Geräts. In diesem Modus können adressierte Geräte Daten empfangen, während sie Daten von einer vorherigen Anfrage übertragen. Wenn es als Master in einem System mit einem Master verwendet wird, kann Schalter 1 ausgewählt werden, da das Gerät der einzige Sender im System ist. Wenn es als RS-485-Slave verwendet wird, muss das RS-232-Gerät eine Adressierbarkeit bereitstellen. Die Biasierung in einem Master/Slave-System wird durch den Slave am Endgerät bereitgestellt. Die Schalteinstellungen für diesen Modus sind Schalter 1: RS-485; Schalter 2: Echo Ein; Schalter 3 und 4: 4-Draht.

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 IC821A RS-232 to RS-422/485 converter showing DB9 connector, terminal blocks, and status LED indicators against white background

Industrial-Grade Signal Conversion with 2000V Isolation Protection

The IC821A converter delivers reliable RS-232 to RS-422/485 signal conversion with built-in 2000V isolation protection. Its robust design features clear terminal labeling and status indicators for TD and RD signals, ensuring proper connection and monitoring of data transmission. The compact form factor houses sophisticated circuitry that enables automatic RS-485 driver control and flexible configuration options through DIP switches. The removable terminal blocks provide secure connectivity while allowing for easy installation and maintenance in industrial environments.

Technical Specifications

  • 2000V AC isolation protection for equipment safety
  • Dual interface support with DB9 female connector and terminal blocks
  • Auto-sensing RS-485 driver control for optimal data flow

Applications

  • Industrial automation systems requiring signal conversion
  • Manufacturing equipment integration with legacy serial devices
  • Process control systems with mixed RS-232 and RS-422/485 protocols
Häufig gestellte Fragen
The Black Box Universal RS-232 to RS-422/485 Converter features 2000-VAC isolation, selectable RS-422 operation, RS-485 support for both 2-wire half-duplex and 4-wire full-duplex modes, and automatic RS-485 driver control. It doesn't require external software for data flow control and comes with a DB9 female connector for RS-232 input and a removable terminal block for RS-422/RS-485 signals.
The converter has compact dimensions measuring 1.7 inches in height, 0.9 inches in width, and 3.9 inches in depth. It features an external form factor design that makes it easily accessible and installable.
In RS-485 mode, the driver is automatically enabled during each space state by RS-232 signal presence. When RS-232 data is in mark or idle state, the RS-485 driver disables and data lines are held in mark state by a 4.7-ohm resistor. It supports both 2-wire half-duplex and 4-wire full-duplex operations, with specific switch settings for each mode.
The converter requires external power supplied through a terminal block connection. It specifically needs a 120-VAC/12-VDC Wallmount Power Supply (PS1003, sold separately) to function properly.
The converter is RoHS certified and TAA compliant. It's environmentally friendly and manufactured in the United States, meeting various regulatory standards for electronic equipment. The 2000-VAC isolation certification ensures robust protection between input and output circuits.
For RS-422 mode configuration, set Switch 1 to RS-422, Switch 2 to Echo On, and Switches 3 and 4 to 4 Wire. In this mode, the driver is always enabled for full-duplex communications, requiring a twisted pair for transmit, another for receive, and a ground reference wire.
The Black Box Universal RS-232 to RS-422/485 Converter comes with a 1 Year Limited Warranty, providing coverage against manufacturing defects and ensuring customer support during this period.
In 2-wire half-duplex RS-485 mode, the device allows connection to multiple RS-485 devices with minimal wiring. The configuration requires Switch 1 set to RS-485, Switch 2 to Echo Off, and Switches 3 and 4 to 2 Wire. In this mode, devices transmit data when requested and then return to receive status.

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