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RS232 Relay - 8 Channel

RS232 Relay Control

RS232 Relay    

RS232 Relay All The Features You Need...

  • 8 Relays Installed on Circuit Board
  • Solder on connections on select boards
  • Mounts as a Virtual COM Port on Computer
  • Base Station Software gets you up an running fast
  • Pro Versions
      - Limited Command Set
      - Not Expandable
  • ProXR Lite Versions
      - Full ProXR Command Set
      - Not Expandable
  • ProXR Versions
      - Full ProXR Command Set
      - Expandable to 256 Relays
  • Program in almost any language

RS232 Relay
RS232 Relay Controller Board

Our RS-232 Relays make it easier than ever to add computer controlled switching to your most demanding applications.  We offer a large selection of 4 Channel RS232 Relays for applications ranging from low power signal switching to high voltage, high current applications.  If your looking for a four channel relay controller we have a configuration to fit every need.  RS232 Relays offer excellent communication, speed, and reliability with minimal integration time.  RS232 Relay supports any available COM port at any standard baud rate with a maximum supported baud rate of 230.4K Baud.

RS232 Relay Options
RS-232 Relays are available with SPDT 5, 10 and 20 amp, SPST 30 amp and DPDT 1, 3 & 5 amp relays installed.  In Pro, ProXR and ProXR Lite Versions.

Simple Reliable RS232 Relay Control
Control these RS232 Relays with a DB9 or direct wire connection.
The controller mounts as a virtual COM port for easy programming
Program in Almost Any Language!

Selecting The RS-232 Interface

RS232 Relay ZRSB ModuleBy selecting the RS232 interface you will be sending commands to the board through either a DB9 or direct wire interface.  Boards on this page are equipped with a ZRS communications module that adds RS-232 communications to the board.  At checkout you will have three modules to choose from with either a DB9 or direct (3-wire) connection.  A command consists of a few bytes of data in numerical format usually between 2 and 6 bytes.  Once the command has been received, the controller processes the command and the relay activates.

Selecting an RS232 Relay Board

Below you will find the 8-channel RS232 Relay control that are available.  The difference being the amperage of the relays installed and the type of relay.  Choose the controller that fits the amperage you are switching.  You will find SPDT relays in the 5, 10 and 20 amp versions and an SPST version in 30 amp.  DPDT versions are also available with 1, 3 or 5 amp relays installed.  For more information on selecting the correct relay for your application see Choosing a Proper Amperage.

Selecting an RS-232 Relay Series

The 8-Channel boards are available in Pro, ProXR Lite and ProXR versions.  The Pro versions offer a no-frills design that's fully EC3 compliant and the Pro Firmware installed - a smaller command set than our full ProXR and ProXR Lite models.  ProXR and ProXR Lite versions have the ProXR firmware installed and accept the full ProXR command set, the industry leading command set for controlling relays.  The ProXR Lite version is non-expandable, the ProXR version is expandable to 256 relays.  When you find your controller click on the Full Description link to view full specs, watch setup videos, download software and purchase.


8-Channel RS-232 Relay Controllers
R810PL_ZRS
ProXR Lite RS232 Relay
8-Channel 10-Amp SPDT with Serial Interface
  • 8 - 10 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • 16 Available Timers
  • ProXR-Lite Series
R810PRO
8-Channel 10 Amp SPDT - RS-232 Interface
Pro Series with Screw Terminal Connections
  • 8 - 10 Amp SPDT Relay(s)
  • RS-232 Interface
  • Screw-On Connectors
  • Quick Start Kit Needed for DB9 Connection
  • PRO Series
R81DPDT
8-Channel 1-Amp DPDT Relay Board
With Solder On Connections
  • 8 - 1 Amp DPDT Relay(s)
  • RS-232 Interface
  • Solder-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R81DPDTCN
8-Channel 1-Amp DPDT Relay Board
With Screw Terminal Connections
  • 8 - 1 Amp DPDT Relay(s)
  • RS-232 Interface
  • Screw-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R81DPDTCNRS
8-Channel 1-Amp DPDT Relay Board
Screw Terminal & Onboard RS-232 Plug
  • 8 - 1 Amp DPDT Relay(s)
  • DB9 Interface
  • Screw-On Connectors
  • Onboard DB9 Connection
R820
8-Channel 20-Amp SPDT Relay Board
Pro Series with Direct Relay Connections
  • 8 - 20 Amp SPDT Relay(s)
  • RS232 Interface
  • Direct Relay Connection
  • Quick Start Kit Needed for DB9 Connection
R820PL_ZRS
ProXR Lite RS232 Relay
8-Channel 20-Amp SPDT with Serial Interface
  • 8 - 20 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Direct Relay Connection
  • 16 Available Timers
  • ProXR-Lite Series
R830
8-Channel 30-Amp SPST Relay Board
Pro Series with Direct Relay Connections
  • 8 - 30 Amp SPST Relay(s)
  • Serial Interface
  • Direct Relay Connection
  • Quick Start Kit Needed for DB9 Connection
R830PL_ZRS
ProXR Lite RS232 Relay
8-Channel 30-Amp SPST with Serial Interface
  • 8 - 30 Amp SPST Relay(s)
  • DB9 or Direct Wire Interface
  • Direct Relay Connection
  • 16 Available Timers
  • ProXR-Lite Series
R83DPDT
8-Channel 3-Amp DPDT Relay Board
With Solder Connections
  • 8 - 3 Amp DPDT Relay(s)
  • RS-232 Interface
  • Solder-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R83DPDTCN
8-Channel 3-Amp DPDT Relay Board
With Screw Terminal Connections
  • 8 - 3 Amp DPDT Relay(s)
  • RS-232 Interface
  • Screw-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R83DPDTCNRS
8-Channel 3-Amp DPDT Relay Board
Screw Terminal & Onboard RS-232 Plug
  • 8 - 3 Amp DPDT Relay(s)
  • DB9 Interface
  • Screw-On Connectors
  • Onboard DB9 Connection
R85DPDT
8-Channel 5-Amp DPDT Relay Board
With Solder On Connections
  • 8 - 5 Amp DPDT Relay(s)
  • RS-232 Interface
  • Solder-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R85DPDTCN
8-Channel 5-Amp DPDT Relay Board
With Screw Terminal Connections
  • 8 - 5 Amp DPDT Relay(s)
  • RS-232 Interface
  • Screw-On Connectors
  • Quick Start Kit Needed for DB9 Connection
R85DPDTCNRS
8-Channel 5-Amp DPDT Relay Board
Screw Terminal & Onboard RS-232 Plug
  • 8 - 5 Amp DPDT Relay(s)
  • DB9 Interface
  • Screw-On Connectors
  • Onboard DB9 Connection
R85PL_ZRS
ProXR Lite RS232 Relay
8-Channel 5-Amp SPDT with Serial Interface
  • 8 - 5 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • 16 Available Timers
  • ProXR-Lite Series
R85PRO
8-Channel 5 Amp SPDT - RS-232 Interface
Pro Series with Screw Terminal Connections
  • 8 - 5 Amp SPDT Relay(s)
  • Serial Interface
  • Screw-On Connectors
  • Quick Start Kit Needed for DB9 Connection
  • PRO Series
SSR8xPL_ZRS
ProXR Lite Relay 8 Solid State State Relays with Serial Interface
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • 16 Available Timers
  • ProXR-Lite Series
SSR8xPL_ZRS_MIX
ProXR Lite Relay 8 Mixed Solid State State Relays with Serial Interface
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • 16 Available Timers
  • ProXR-Lite Series
ZADR810PROXR_ZRS
RS-232 8-Channel 10 Amp SPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 10 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR81DPDTPROXR_ZRS
8-Channel 1 Amp DPDT - RS-232 Interface
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 1 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR820PROXR_ZRS
RS-232 Relay 8-Channel 20 Amp SPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 20 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR830PROXR_ZRS
RS232 Relay 8-Channel 30 Amp SPST
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 30 Amp SPST Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR83DPDTPROXR_ZRS
8-Channel 3 Amp DPDT - RS-232 Interface
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 3 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR85DPDTProXR_ZRS
8-Channel 5 Amp DPDT - RS-232 Interface
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 8 - 5 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR85PROXR_ZRS
RS232 Relay 8-Channel 5 Amp SPDT
ProXR Firmware with Variable Sensor Inputs
  • 8 - 5 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADSSR8xPROXR_ZRS
Serial 8-Channel Solid State Relay Controller + 8-Channel 8/10-Bit A/D
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADSSR8xPROXR_ZRS_MIX
Serial 8-Channel Solid State Mixed SSR Relay Controller + 8-Channel 8/10-Bit A/D
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZUXPR810ProXR_ZRS
8-Channel 10 Amp SPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 10 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR81DPDTProXR_ZRS
8-Channel 1 Amp DPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 1 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR820ProXR_ZRS
8-Channel 20 Amp SPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 20 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Direct Relay Connection
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR830ProXR_ZRS
8-Channel 30 Amp SPST - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 30 Amp SPST Relay(s)
  • DB9 or Direct Wire Interface
  • Direct Relay Connection
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR83DPDTProXR_ZRS
8-Channel 3 Amp DPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 1 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR85DPDTProXR_ZRS
8-Channel 5 Amp DPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 5 Amp DPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPR85ProXR_ZRS
8-Channel 5 Amp SPDT - RS-232 Interface
ProXR Firmware with UXP Port
  • 8 - 5 Amp SPDT Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPSSR8xPROXR_ZRS
Serial 8-Channel Solid State Relay Controller + UXP Expansion Port
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays
ZUXPSSR8xPROXR_ZRS_MIX
Serial 8-Channel Solid State Mixed SSR Relay Controller + UXP Expansion Port
  • 8 - Amp Solid-State Relay(s)
  • DB9 or Direct Wire Interface
  • Screw Terminal Connections
  • ProXR Series
  • UXP Port Adds Applications
  • XR Port Adds Additional Relays