{"product_id":"1771-igd-allen-bradley-ttl-input-module-16-channel-plc-5","title":"1771-IGD Allen-Bradley TTL Input Module | 16-Channel PLC-5","description":"\u003ch2\u003eAllen-Bradley 1771-IGD TTL Input Module for PLC-5 Systems\u003c\/h2\u003e\n\u003ch3\u003eCore Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rockwell Automation \/ Allen-Bradley\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e 1771-IGD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e TTL Input Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eInput Channels:\u003c\/strong\u003e 16 TTL-Compatible Inputs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5.0-5.3 Volts DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 130 mA @ 5V DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eLogic Selection:\u003c\/strong\u003e Positive and Negative Logic (Selectable)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #2e74b5;\"\u003e\u003cstrong\u003eSignal Delay:\u003c\/strong\u003e Less than 1 millisecond\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Characteristics \u0026amp; Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003ePositive Logic: ON state 2.0-5.25V DC, OFF state -0.2 to 0.8V DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003eNegative Logic: ON state -0.2 to 0.8V DC, OFF state 2.0-5.25V DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003eInput current sink requirement: Maximum 7 mA source per input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003eIsolation voltage rating: 1500V AC RMS for 1 second\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003ePower dissipation ranges from 0.4 Watts to 2.7 Watts maximum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003eThermal dissipation: 1.4 BTU\/hr minimum to 9.2 BTU\/hr maximum\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Physical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating temperature range: 0°C to 60°C (32°F to 140°F)\u003c\/li\u003e\n\u003cli\u003eStorage temperature range: -40°C to 85°C (-40°F to 185°F)\u003c\/li\u003e\n\u003cli\u003eRelative humidity tolerance: 5% to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003eVibration resistance: 2.5 G from 10-500 Hz in all axes\u003c\/li\u003e\n\u003cli\u003eShock withstand: 15 G operational, 30 G non-operational\u003c\/li\u003e\n\u003cli\u003eEMC immunity: Withstands industrial electromagnetic interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e1771-IGD\u003c\/strong\u003e module requires the 1771-WH wiring arm for installation.\u003c\/li\u003e\n\u003cli\u003eCompatible with Series A\/B 1771-A1B, A2B, A3B, A3B1, A4B chassis.\u003c\/li\u003e\n\u003cli\u003eAlso works with 1771-AM1 and 1771-AM2 I\/O chassis systems.\u003c\/li\u003e\n\u003cli\u003eUse 14 AWG stranded copper wire with 60°C insulation rating.\u003c\/li\u003e\n\u003cli\u003eApply terminal torque of 1.0 Newton-meter (9 lb-inch) for secure connections.\u003c\/li\u003e\n\u003cli\u003eSelect logic mode via jumper setting on the module front panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Features \u0026amp; Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e18 LED status indicators provide real-time input state monitoring.\u003c\/li\u003e\n\u003cli\u003eSeparate positive logic indicator and module active status LED.\u003c\/li\u003e\n\u003cli\u003eIntegrated 0.5A 250V fuse protects against power surges.\u003c\/li\u003e\n\u003cli\u003eInput terminal protection prevents damage from voltage accidents.\u003c\/li\u003e\n\u003cli\u003eConformal coating protects against moisture and contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Shipping Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYour order includes one genuine Allen-Bradley \u003cstrong\u003e1771-IGD\u003c\/strong\u003e TTL Input Module.\u003c\/li\u003e\n\u003cli\u003eWe provide comprehensive documentation and installation guidelines.\u003c\/li\u003e\n\u003cli\u003eWe ship globally via FedEx, UPS, and DHL express services.\u003c\/li\u003e\n\u003cli\u003eYou receive complete tracking information upon order shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat is the difference between positive and negative logic selection?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePositive logic treats higher voltage as ON, while negative logic treats lower voltage as ON for reverse operation.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWhat types of devices typically connect to this TTL input module?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eIt interfaces with TTL-compatible sensors, switches, and digital output devices from various manufacturers.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHow do I change the logic level setting on this module?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eYou must physically adjust the jumper setting on the module front panel while power is disconnected.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWhat protection features does this input module include?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe module features 1500V isolation, surge protection fuse, and input terminal voltage protection.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCan this module operate in high-vibration industrial environments?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eYes, it withstands 2.5G vibration and 15G operational shock for robust industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved. Original Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e Contact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e Phone: \u003ca href=\"https:\/\/wa.me\/868618030005825\"\u003e+86 86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51195019723034,"sku":null,"price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1771-IGD_2.jpg?v=1760058613","url":"https:\/\/www.ubestplc.com\/fr\/products\/1771-igd-allen-bradley-ttl-input-module-16-channel-plc-5","provider":"Ubest Automation Limited","version":"1.0","type":"link"}