{"product_id":"allen-bradley-remote-io-adapter-module-1771-asb-5v-dc-02489","title":"Allen-Bradley Remote I\/O Adapter Module 1771-ASB 5V DC","description":"\u003cp\u003eUsed in PLC-2, PLC-3, and PLC-5 programmable controller systems, the Allen-Bradley 1771-ASB is a universal remote I\/O adapter module designed for rack-mount installation in 1771 series I\/O chassis. The module operates at 5V DC with a backplane current draw of 1.2 amps and communicates with I\/O scanner modules over a serial link at speeds up to 230.4 kilobits per second, supporting data transmission distances up to 10,000 cable-feet at 57.6K baud. The 1771-ASB supports all three I\/O addressing modes including half-slot, one-slot, and two-slot configurations, and accepts any mix of 4, 8, 16, and 32-point I\/O modules within the connected chassis. It is compatible with a total of 32 I\/O adapter devices on a single I\/O link and is wired using the 1771-WB wiring arm connector with Belden 9463 cable. Status indicators on the front face include Active, Adapter Fault, and I\/O Rack Fault LEDs. The nameplate identifies this unit as Series A with Firmware Rev A. Terminal identification on the rear label references Line 1, Shield, and Line 2 connections for the remote I\/O cable. This part number has been discontinued by the manufacturer. The module was removed from service and shows light cosmetic wear consistent with installed use.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0526-02489\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49748811776240,"sku":"m02489","price":2600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/EC0E43A0-983B-46D8-B5E9-A142C4F016A7.jpg?v=1779306621","url":"https:\/\/mroexchange.com\/products\/allen-bradley-remote-io-adapter-module-1771-asb-5v-dc-02489","provider":"MRO Exchange","version":"1.0","type":"link"}