{"product_id":"siemens-simatic-s7-1200-signal-boards","title":"SIEMENS - SIMATIC S7-1200 - Digital Input Signal Boards","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eExpand your Siemens SIMATIC S7-1200 PLC with genuine Digital Input Signal Boards designed to add additional digital inputs without increasing the controller's installation width. Mounted directly onto compatible CPUs, Signal Boards provide a compact and economical solution for extending digital input capacity while maintaining the small footprint of the S7-1200 automation platform.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIdeal for machine builders, OEM equipment, building automation, and industrial control systems, Digital Input Signal Boards deliver reliable 24 V DC signal acquisition, seamless integration with Siemens TIA Portal engineering software, and dependable industrial performance in space-constrained control cabinets.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"SB1221 - 4DI - 24V DC - 6ES7221-3BD30-0XB0","offer_id":49490914443491,"sku":"ID 10301","price":260.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_8.43.54_PM.png?v=1785660268","url":"https:\/\/www.electrotk.com\/products\/siemens-simatic-s7-1200-signal-boards","provider":"Electrotk","version":"1.0","type":"link"}