{"product_id":"weihong-ex6a4-i-o-expansion-board-h9c9-01","title":"Weihong EX6A4 I\/O Expansion Board H9C9-01","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003eWeihong EX6A4 relay I\/O expansion board is a CNC control system accessory designed to extend input\/output relay capacity for machine automation applications, including spindle, coolant, brake, and lamp signal control. Built with master and slave serial ports for multi-board communication, the EX6A4 supports integration into CNC machine control panels requiring additional relay-based switching for auxiliary functions such as axis limits, oil alarms, and spindle status signaling. This board is commonly used by machine builders, CNC panel integrators, and maintenance teams working with Weihong-based control systems in manufacturing and metalworking environments. WeSellStocks.co supplies genuine and surplus Weihong control boards to industrial buyers, EPC contractors, and MRO teams across the USA, UAE, and Worldwide, supporting fast-turnaround procurement for CNC retrofit, repair, and spare parts inventory. The EX6A4 is suited for OEMs and system integrators seeking dependable expansion hardware to maintain uptime on existing CNC installations, with wholesale and bulk sourcing available for facilities managing legacy or active Weihong-based machine control systems.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WEIHONG\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: CNC Relay I\/O Expansion Board\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: EX6A4 (H9C9-01)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIndustry Category\u003c\/strong\u003e: CNC Control Systems \/ Industrial Automation\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePower Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: +24V DC (terminal labeled)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: DIN rail mount\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStandards \/ Compliance\u003c\/strong\u003e: RoHS\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOther Confirmed Specs\u003c\/strong\u003e: Dual DB9 Master\/Slave communication ports; onboard relays for BRAKE, SPIN, SCOOL, OIL, COOL, RED, GREEN, YELLOW, LAMP, GY13, GY12, GY11, GY10; I\/O terminals for ZLIM, YLIM, XLIM, W0, OIL-ALAM, S-ALAM, GX00\/GX09\/GX08\/GX07\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cbr\u003eThe Weihong EX6A4 relay expansion board is used within CNC machine control systems to manage auxiliary relay outputs for spindle, coolant, brake, lamp, and alarm functions. It connects via master\/slave serial ports to the main CNC controller, enabling expanded I\/O capacity for larger or more complex machine configurations. This board is typically installed by CNC panel builders, machine tool OEMs, and maintenance engineers during system commissioning, retrofit, or repair projects requiring reliable auxiliary control expansion.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eMachine builders and CNC integrators sourcing the Weihong EX6A4 relay I\/O expansion board can rely on WeSellStocks.co as a dependable supplier and distributor for genuine and surplus Weihong control hardware. Procurement teams, EPC contractors, and MRO departments across the USA and UAE turn to WeSellStocks.co for wholesale availability, competitive pricing, and consistent stock of Weihong EX6A4 boards. Global industrial supply capabilities ensure timely delivery for facilities managing CNC machine control systems worldwide.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMetafields:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WEIHONG\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: EX6A4\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: CNC Relay I\/O Expansion Board\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIndustry Category\u003c\/strong\u003e: CNC Control Systems \/ Industrial Automation\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePower Rating\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: +24V DC\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: DIN rail mount\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: RoHS\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCondition\u003c\/strong\u003e: New \/ Surplus\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStock Quantity Available\u003c\/strong\u003e: Available upon request\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTarget Markets\u003c\/strong\u003e: USA | UAE | Worldwide\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGlobal Shipping\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003ch5\u003eCondition: Used\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003ch5\u003e\n\u003cspan class=\"selectable-text copyable-text xkrh14z\"\u003eTested\u003c\/span\u003e\u003cspan class=\"emoji x1rg5ohu x16dsc37 x19la9d6 x1fc57z9 x6ikm8r x10wlt62 x19co3pv x11tp94h xw4jnvo x1qx5ct2 xfibh0p xiy17q3 x1xsqp64 x1lkfr7t xexx8yu xyri2b x18d9i69 x1c1uobl\"\u003e\u003cspan class=\"xy9tlov x1bhl96m\"\u003e✅\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"We Sell Stocks","offers":[{"title":"Default Title","offer_id":59549554082078,"sku":"Cabin : B-10","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7230\/1086\/files\/6_fc964b04-48fe-4de1-8945-ed4c073b8c00.png?v=1783100927","url":"https:\/\/wesellstocks.co\/products\/weihong-ex6a4-i-o-expansion-board-h9c9-01","provider":"We Sell Stocks","version":"1.0","type":"link"}