{"product_id":"allen-bradley-1734-232asc-point-i-o-rs-232-ascii-module","title":"Allen-Bradley 1734-232ASC Point I\/O RS-232 ASCII Module","description":"\u003cp\u003eConfigured for serial data transmission in Point I\/O 1734 backplane environments, the \u003cstrong\u003eAllen-Bradley 1734-232ASC\u003c\/strong\u003e (\u003cstrong\u003e1734-232ASC\u003c\/strong\u003e ASCII Module) provides direct physical\/electrical execution. The module manages full-duplex ASCII character communication over RS-232 serial interfaces, transferring structured data strings directly into controller I\/O memory tags without requiring external signal conversion hardware.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1734-232ASC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.06 lbs (0.03 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Point I\/O Module Dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.75 W at 28.8 VDC (Pointbus: 75 mA at 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Type\u003c\/td\u003e\n\u003ctd\u003eRS-232 Serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Channels\u003c\/td\u003e\n\u003ctd\u003e1 Full Duplex Input\/Output Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC Nominal (10-28.8 VDC Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2200 VDC for 60 Seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003ePosition 2 (Specialty Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.5 BTU per Hour Max at 28.8 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Backplane Communication Properties\u003c\/h3\u003e\n\u003cp\u003eAs a specialized serial interface unit within Allen-Bradley control architectures, the 1734-232ASC delivers hardware-level data stream management and backplane integration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e Low-latency Pointbus backplane connections enable rapid transmission of ASCII byte streams directly to primary logix processors across deterministic EtherNet\/IP networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e Internal flash memory supports seamless hardware execution across dynamic controller firmware updates, preserving baud rate and framing parameters stored in non-volatile memory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e Integrates a full-duplex RS-232 channel into an ultra-compact Point I\/O footprint, expanding serial communication capacity without consuming excess panel space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the backplane current draw for the 1734-232ASC module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 75 mA at 5 VDC from the internal Pointbus backplane power rail.\u003c\/p\u003e\n\u003cp\u003eQ: What isolation rating does the module provide between field wiring and system logic?\u003c\/p\u003e\n\u003cp\u003eA: The module provides galvanic isolation rated at 2200 VDC for 60 seconds between the field-side RS-232 interface and the Pointbus logic backplane.\u003c\/p\u003e\n\u003cp\u003eQ: What keying setting is required on the terminal base prior to insertion?\u003c\/p\u003e\n\u003cp\u003eA: The mechanical keyswitch on the 1734 mounting base must be rotated to Position 2 (Specialty Module) before inserting the 1734-232ASC.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAdherence to standard physical installation and wiring protocols maintains continuous signal throughput and prevents electromagnetic corruption:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Assembly and Keying:\u003c\/strong\u003e Set the terminal base keyswitch to Position 2. Snap the mounting base onto the 35 mm DIN rail and press the 1734-232ASC removable terminal block into place until locked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Cabling and Shielding:\u003c\/strong\u003e All RS-232 connections must utilize high-quality shielded cable. Connect the cable shield to a single earth ground point on the system chassis to prevent ground loops from corrupting high-speed serial data frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Segregation:\u003c\/strong\u003e Maintain physical separation between serial data lines and high-voltage AC lines or motor leads within cable trays to minimize electromagnetic noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45303571087475,"sku":"1734-232ASC","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-04_14-33-21_6fef5b37-199a-4517-8e59-2f8ac4db4e34.png?v=1785825713","url":"https:\/\/www.dcssupplier.com\/ar\/products\/allen-bradley-1734-232asc-point-i-o-rs-232-ascii-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}