{"product_id":"tb820v2-abb-cluster-modem-modulebus-interface","title":"TB820V2 ABB Cluster Modem ModuleBus Interface","description":"\u003ch2\u003e\n\u003cstrong\u003eABB TB820V2 Cluster Modem\u003c\/strong\u003e – Fiber Optic ModuleBus Interface\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eTB820V2\u003c\/strong\u003e (Cluster Modem)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e ModuleBus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRole:\u003c\/strong\u003e Slave device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Redundancy:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Redundancy:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Swap Support:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 V Consumption:\u003c\/strong\u003e 100 mA (typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to +55 °C (+32 to +131 °F) – approvals at +5 to +55 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40 to +70 °C (-40 to +158 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 (EN60529, IEC 529)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollution Degree:\u003c\/strong\u003e 2 (IEC 60664-1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e ISA-S71.04 G3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 5–95 % non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Ambient Temperature:\u003c\/strong\u003e 55 °C (131 °F) – 40 °C (104 °F) for vertical mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 58 x 170 x 122 mm (including latch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.3 kg (0.66 lbs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL, ATEX Zone 2, C1 Div 2 cULus, marine (ABS, BV, DNV-GL, LR), RoHS, WEEE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum number of I\/O modules supported per TB820V2 cluster?\u003c\/strong\u003e\u003cbr\u003eA: Each electrical ModuleBus segment supports up to 12 I\/O modules; you can connect up to 7 clusters via fiber optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the TB820V2 support hot swapping of I\/O modules?\u003c\/strong\u003e\u003cbr\u003eA: No, the TB820V2 does not support hot swap functionality – power down before adding or removing modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this modem in hazardous area environments?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it carries ATEX Zone 2 and C1 Div 2 cULus certifications for hazardous locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the typical power consumption of the TB820V2?\u003c\/strong\u003e\u003cbr\u003eA: It draws approximately 100 mA at 24 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the TB820V2 compatible with HI Controller systems?\u003c\/strong\u003e\u003cbr\u003eA: No, the TB820V2 is not used together with HI Controllers per the specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the ambient temperature limit for vertical mounting?\u003c\/strong\u003e\u003cbr\u003eA: For vertical mounting, the maximum ambient temperature is 40 °C (104 °F).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you offer a return policy?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we accept returns within 30 days of delivery for unused items in original packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 0.9rem; margin-top: 20px;\"\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":48245060501762,"sku":"TB820V2","price":246.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/TB820V2.jpg?v=1785739118","url":"https:\/\/www.nex-auto.com\/products\/tb820v2-abb-cluster-modem-modulebus-interface","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}