ABB|07KR51 |Redundant PLC

SKU: 07KR51

Manufacturer: ABB
Product No.: 07KR51
Condition：In stock
Product Type: Redundant PLC
Product Origin: USA
Payment:T/T, Western Union
Weight: 1700g
Shipping port: Xiamen
Warranty: 12 months

Description

The 07KR51-HSB is a redundant PLC from ABB’s AC 31 series, designed for Hot Stand-By (HSB) functionality in industrial automation
It supports master/slave configurations for fault-tolerant operation on the CS31 bus

Features

Redundancy: Seamless failover (<3 cycle times) from master to slave unit
Flexible I/O: Supports local/extensions and remote I/O units (e.g., ICMK14F1, DC551)
Synchronization: Dual-CPU sync via internal bits (%O62.08–%O62.13) and shared data words (%IW/QW63.08–15)
Compatibility: Works with S500 I/O modules using dedicated function blocks (e.g., DC551S, DI524)

Technical Specifications

Power Supply:
- 24 V DC (19.2–30 V) or 120/230 V AC (97.75–253 V)
- Consumption: 80 mA (typical, standalone) to 400 mA (max config)
I/O Capacity:
- Inputs: 8 digital (24 V DC, PNP/NPN, 7–9 mA per point)
- Outputs: 6 relay (250 V AC/2 A, 6 A total)
Environmental:
- Operating temp: 0°C to +55°C (horizontal) or +40°C (vertical)
- Humidity: ≤95% (non-condensing)
- Protection: IP20, UL V2
Communication:
- CS31 bus (RS485, 500 m max, 120 Ω termination)
- Serial ports: RS232/RS485 for programming
Mechanical:
- Dimensions: 120 x 93 x 84 mm
- Weight: 400 g (24 V DC) / 800 g (120/230 V AC)

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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