Product Overview
The ABB SB822 Industrial Automation Module is an external DIN-rail mounted rechargeable battery unit engineered specifically for AC 800M controllers. This SB822 unit provides reliable battery back-up to safeguard your control system during power interruptions. It includes a lithium-ion battery, a 24V DC connector, and a connection cable (TK821V020). With a compact width of 85 mm and simple DIN-rail mounting, the SB822 integrates seamlessly into existing cabinets, minimizing installation time and maximizing uptime.
Key Technical Specifications
Below are the critical parameters for the ABB SB822. Each value is directly sourced from the manufacturer's data, ensuring accuracy for your engineering review.
| Parameter |
Value |
| Article Number |
3BSE018172R1 |
| Type |
Rechargeable battery unit |
| Rated Output Voltage |
3.6 V |
| Maximum Output Current |
0.05 A |
| Maximum Ambient Temperature |
60 °C |
| Protection Rating |
IP20 per IEC 60529 |
| Corrosive Atmosphere |
ISA-S71.04 G2 |
| Pollution Degree |
Degree 2, IEC 60664-1 |
| Mechanical Operating Conditions |
IEC 61131-2 |
| RoHS Compliance |
DIRECTIVE/2011/65/EU (EN 50581:2012) |
| WEEE Compliance |
DIRECTIVE/2012/19/EU |
| Width |
85.8 mm (3.38 in) |
| Depth |
58.5 mm (2.3 in) |
| Height |
136 mm (5.35 in) incl. hatch |
| Weight |
550 g (1.21 lbs) |
| Lithium Metal Equivalent |
0.8 g (0.03 oz) |
These specifications confirm that the SB822 is designed for industrial environments where dependable back-up power is essential.
Real-World Applications
The ABB SB822 is a versatile power back-up solution for AC 800M-based control systems. Here are three typical scenarios where this module excels:
-
Process Automation: In continuous manufacturing lines, the SB822 ensures that critical process controllers retain their state and data during brief power dips, preventing costly production stops.
-
Utilities & Infrastructure: For water treatment plants or power distribution networks, the SB822 provides the necessary back-up to maintain control logic and communication until main power returns.
-
Oil & Gas: In hazardous or remote sites, the SB822's robust design (IP20, corrosive atmosphere G2) supports reliable operation under demanding environmental conditions.
In each case, the SB822's simple DIN-rail mounting and compact footprint make it easy to retrofit into existing panels without major modifications.
Installation & Setup Guidance
Proper installation is critical for optimal performance. Follow these guidelines when mounting the ABB SB822:
- Mount the SB822 on a standard 35mm DIN rail in a clean, dry cabinet. Ensure adequate clearance around the unit for ventilation and cable routing.
- Connect the 24V DC connector to your control system's power supply, observing correct polarity as indicated in the unit's labeling.
- Use the included connection cable TK821V020 to link the SB822 to your AC 800M controller. Verify that the cable is securely seated to avoid intermittent connections.
- After installation, test the back-up function by simulating a power failure to confirm that the controller retains its state.
Always follow local electrical codes and safety regulations when working with industrial equipment.
Maintenance & Reliability
The ABB SB822 is built for long-term reliability, but periodic checks are recommended to ensure continued performance:
- Inspect the battery unit annually for signs of swelling, leakage, or corrosion. Replace the SB822 if any physical damage is observed.
- Keep the ambient temperature within the specified maximum of 60 °C to extend battery life and avoid thermal stress.
- Verify that the DIN-rail mounting remains secure and that connections are tight.
- Monitor the battery's health via your control system diagnostics, if available, to anticipate replacement needs.
Regular maintenance minimizes downtime and extends the service life of your control system.
Buying Guide
When purchasing the ABB SB822, verify that your system's power requirements align with the 3.6V output and 0.05A maximum current. Ensure that your cabinet has space for a DIN-rail mounted unit of the given dimensions. The SB822 is a genuine ABB part (article number 3BSE018172R1), so confirm that you are sourcing from a reputable supplier. PLC Source PRO offers this module with fast shipping and a quality guarantee, making it a reliable choice for your industrial spares needs.