{"product_id":"abb-07dc91-digital-input-output-terminals-module-24-v-dc-16-inputs-8-outputs","title":"ABB 07DC91 Digital Input\/Output Terminals Module-24 V DC, 16 Inputs, 8 Outputs","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen industrial automation systems face signal noise or fault conditions, the ABB 07DC91 terminals module delivers reliable digital input and output processing. This remote I\/O module operates on the CS31 system bus with 16 digital inputs, 8 digital transistor outputs, and 8 configurable channels—all at 24 V DC. Its robust design protects against overload, short circuits, and reverse polarity, ensuring uptime in demanding environments.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe ABB 07DC91 terminals module offers precise electrical characteristics that suit a wide range of control applications. Below are key parameters from the product datasheet:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of binary inputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of binary transistor outputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of configurable I\/O\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput delay (typ.)\u003c\/td\u003e\n\u003ctd\u003e7 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput nominal current per channel\u003c\/td\u003e\n\u003ctd\u003e500 mA at 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal load current (max.)\u003c\/td\u003e\n\u003ctd\u003e8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower dissipation (outputs under load)\u003c\/td\u003e\n\u003ctd\u003e10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection: overload\/short-circuit\u003c\/td\u003e\n\u003ctd\u003eYes (automatic reactivation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor cross-section (max.)\u003c\/td\u003e\n\u003ctd\u003e2.5 mm² (power), 1.5 mm² (signals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e450 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe ABB 07DC91 terminals module excels in material handling, conveyor control, and packaging machinery. In a typical pick-and-place system, its 16 inputs monitor sensor states while 8 outputs drive actuators. The configurable channels allow spare I\/O for future expansion. The built-in diagnosis functions and 33 LEDs simplify maintenance by immediately signaling fault locations.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the ABB 07DC91 terminals module on a DIN rail (15 mm high) per DIN EN 50022-35, or use four M4 screws. Use removable screw-type connectors: a 5-pin for power, 3-pin for CS31 bus, and 9-pin for signals. Ensure natural convection cooling by avoiding obstructions from cable ducts. Connect the minus pole (terminals 24\/25) as reference for all inputs and outputs.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe ABB 07DC91 terminals module requires minimal routine care. Periodically inspect the 33 LEDs for error or diagnosis messages. Check the DIN rail mounting and connector tightness. The module automatically reactivates after a short-circuit or overload condition, reducing downtime. Its operating temperature range is 0 to 55 °C.\u003c\/p\u003e\u003ch2\u003eTroubleshooting \u0026amp; Common Issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo output response:\u003c\/strong\u003e Verify supply voltage (24 V DC) and check the red error LED. If overloaded (I \u0026gt; 0.7 A), the module limits current and auto-reactivates after ~100 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput signal not detected:\u003c\/strong\u003e Ensure input voltage meets 1 signal threshold (+13 V to +30 V). Check green LED status per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCS31 bus communication fault:\u003c\/strong\u003e Confirm electrical isolation between bus and module. Check address coding switch under slide cover.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default","offer_id":44403202457699,"sku":"07DC91","price":247.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/07DC91_1.jpg?v=1784975505","url":"https:\/\/www.plcsourcepro.com\/products\/abb-07dc91-digital-input-output-terminals-module-24-v-dc-16-inputs-8-outputs","provider":"PLC Source PRO","version":"1.0","type":"link"}