ABB NTDI01 Digital I/O Termination Unit

ABB 07KR51 Advant Controller 31 CS31 Bus PLC Logic Controller

ABB 07KR51 Advant Controller 31 CS31 Bus PLC Logic Controller

Availability: 10 left in stock

ABB 07KR51 CS31 Bus PLC Controller The ABB 07KR51 (1SBP260014R1001) PLC Controller operates as a dedicated hardware component for logic...

SKU: 07KR51 1SBP260014R1001

Manufacturer: ABB
Product No.: 07KR51 1SBP260014R1001
Product Type: PLC Controllers
Product Origin: Switzerland
Payment:T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

ABB 07KR51 CS31 Bus PLC Controller

The ABB 07KR51 (1SBP260014R1001) PLC Controller operates as a dedicated hardware component for logic execution and CS31 system bus master management within Advant Controller 31 platforms.

Hardware Specifications

Parameter	Specification
Model	07KR51
Brand	ABB
Origin	Germany / EU
Weight	0.9 kg
Dimensions	10.2 cm x 10.2 cm x 12.7 cm
Operating Temp	0 deg C to 55 deg C (Typical)
Power Consumption	230 VAC Supply
Digital Inputs	8 Channels (24 VDC)
Digital Outputs	6 Relay Outputs (2 A @ 230 VAC)
Communication	CS31 Bus (RS-485)

PLC Deterministic Networks and Firmware

The 07KR51 integrates a CS31 fieldbus interface designed for deterministic control of remote I/O arrays. This architecture utilizes RS-485 physical signaling to maintain bus communication velocity, ensuring consistent cycle times across the network even when connected to up to 31 remote devices. The CPU supports firmware execution of AC31GRAPH logic, with memory management optimized for high-speed hardware counter processing up to 5 kHz. Compatibility with existing 907AC1131 programming environments allows for seamless firmware flash compatibility during system lifecycle updates, ensuring that communication protocols remain synchronized with extended I/O expansion modules.

Frequently Asked Questions (FAQ)

Q: Does the 07KR51 support hot-swapping of I/O modules during operation?

A: No. The system must be de-energized before connecting or disconnecting remote CS31 devices or expanding the bus architecture to prevent electrical transients from corrupting the RS-485 bus state.

Q: How is the battery-buffered memory maintained during power loss?

A: The unit utilizes an internal battery to maintain the integrity of user programs and data memory. Monitor the system status flags for low-battery warnings to prevent data volatility during prolonged power-down periods.

Field Installation Guidelines

Mounting: Secure the module to a standard 35 mm DIN rail or utilize the chassis screw-mount points. Maintain a minimum clearance of 50 mm above and below the unit to facilitate thermal dissipation.
AC Power Wiring: Ensure the 230 VAC supply is routed through a dedicated surge protection device. Always terminate the protective earth (PE) terminal to the cabinet ground busbar using a low-impedance copper conductor.
CS31 Bus Cabling: Use shielded twisted-pair cable for the CS31 bus. Connect the shield drain wire to the functional earth (FE) terminal at the master controller side only to avoid ground loops.
Relay Output Loading: For inductive loads, such as solenoids or contactor coils, install an external suppression diode or RC snubber network across the load to minimize contact arcing and extend the mechanical lifespan of the onboard relay outputs.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.