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Beckhoff BC9191

Building automation room controller

MPN: BC9191
Category: BCxxxx, BXxxxx | Controller

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Beckhoff BC9191?

The compact BC9191 room controller has an integrated PLC and the sensor/actuator interfaces necessary for room automation. This way, it can be used as an autonomous or local controller. The BC9191 has an interface for coupling the KL6583 and can

Specifications

Programming	with TwinCAT 2 via Ethernet
Program memory	48 kbytes
Data memory	32 kbytes
Remanent data	2 kbytes
Runtime system	1 PLC task
Programming languages	IEC 61131-3 (IL, LD, FBD, SFC, ST)
Online change	yes
Number of Bus Terminals	64
Max. number of bytes fieldbus	512 byte input and 512 byte output
Ethernet interface	2 x RJ45 (switched)
Protocol	TwinCAT ADS, Modbus TCP
Digital inputs	3 contacts (e.g. window contact, dew point, occupancy sensor)
Analog inputs	3 x 0…10 V (e.g. CO2 sensor, air quality sensor, brightness sensor) 1 x PT/Ni1000 (-20…+60 °C) for air temperature measurement 1 x resistance measurement for set value specification (0…10 KΩ)
Digital outputs	1 x 10 mA, LED output (max. 24 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 0…10 V (e.g. volumetric air flow controller)
Bus interface	2 x RJ45 (switched)
Sub bus system	connection to KL6583 (EnOcean®)
Supply voltage	230 V AC
Current supply K-bus	200 mA
Weight	approx. 345 g
Operating temperature	0…55°C
Storage temperature	-25…+85°C
Protect. rating/installation pos.	IP20/vertical
Approvals/markings	CE
Design form	compact controller
Material	polycarbonate
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
Dimensions (W x H x D)	118 mm (127 mm with end cover and DIN rail mounting) x 100 mm x 70 mm

BC9191: frequently asked questions

When can BC9191 be shipped?

BC9191 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up BC9191 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for BC9191 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for BC9191, subject to availability and destination.