Procurement teams shortlist BC9191-0100 with Beckhoff Bx9000, Beckhoff Bc9000 and Beckhoff Bc9120, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
BC9191-0100 - Beckhoff Bus Terminal Controllers
BC9191-0100 Beckhoff Bus Terminal Controllers Technical Specifications

| Brand | Beckhoff |
| Product Type | Bus Terminal Controllers |
| Product | BC9191-0100 |
BC9191-0100 Beckhoff Bus Terminal Controllers Technical Specifications
| Specification | Value |
|---|---|
| Programming | with TwinCAT 2 via Ethernet |
| Program memory | 128 kbytes |
| Data memory | 128 kbytes |
| Remanent data | 2 kbytes |
| Runtime system | 1 PLC task |
| Programming languages | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Number of Bus Terminals | 64 |
| Max. number of bytes fieldbus | 512 byte input and 512 byte output |
| Bus interface | 2 x RJ45 (switched) |
| Current supply K-bus | 200 mA |
| Weight | approx. 345 g |
| Operating temperature | 0...55ยฐC |
| Storage temperature | -25...+85ยฐC |
| Protect. rating/installation pos. | IP20/vertical |
| Approvals/markings | CE |
| Protocol | TwinCAT ADS, Modbus TCP |
| Ethernet interface | 2 x RJ45 (switched) |
| Digital inputs | 3 contacts (e.g. window contact, dew point, occupancy sensor) |
| Analog inputs | 3 x 0รขยยฆ10 V (e.g. CO2sensor, air quality sensor, brightness sensor)1 x PT/Ni1000 (-20รขยยฆ+60 รยฐC) for air temperature measurement1 x resistance measurement for set value specification (0รขยยฆ10 Kรยฉ) |
| Digital outputs | 1 x 10ร mA, LED output (max. 24ร V)1 x 230 V AC, 10 A, relay (e.g. air heater)3 x 230 V AC, 1 A, relay (3-stage fan)2 x 230 V AC, 1 A, triac (e.g. valves for heating and cooling) |
| Analog outputs | 2 x 0รขยยฆ10 V (e.g. volumetric air flow controller) |
| Sub bus system | 1 x RS485 |
| Supply voltage | 230 V AC |
| Design form | compact controller |
| Material | polycarbonate |
| Dimensions (W x H x D) | 118 mm (127 mm with end cover and DIN rail mounting) x 100 mm x 70 mm |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side by side mounting by means of | double slot and key connection |
| Wiring | spring-loaded technique with pluggable wiring level |
| Connection cross-section | see documentation |
| Stripping length | see documentation |







