ABB 1SBP260021R1001 Advant Basic Unit

This basic unit serves as the foundation for ABB Advant control systems. The ABB 1SBP260021R1001 executes logic programs with deterministic timing. You can connect this unit to field devices via integrated I/O channels. Its compact housing fits standard 19-inch racks or DIN rails.

Physical Dimensions and Hardware Layout

The ABB 1SBP260021R1001 measures 12.0 cm in overall width. Its total height reaches 18.5 cm including mounting flanges. This unit weighs approximately 1.10 kg. A sturdy metal enclosure protects internal electronics from vibration. Four front panel LEDs display power, run, fault, and force status.

Memory Configuration and Processing Features

This basic unit contains 256 kB of user program memory. The module also includes 32 kB of retentive data storage. Processing speed reaches 0.5 µs per Boolean instruction. The ABB 1SBP260021R1001 supports up to 256 digital I/O points. Additionally, it manages 64 analog I/O channels through expansion.

Parameter	Specification
Product Type	Advant Controller Basic Unit
Program Memory	256 kB Flash
Retentive Data Memory	32 kB EEPROM
Working Memory	128 kB RAM
Processing Speed	0.5 µs per Boolean operation
Digital I/O Capacity	256 points
Analog I/O Capacity	64 channels
Integrated Digital Inputs	8 (24V DC, sink/source)
Integrated Digital Outputs	6 (24V DC, 0.5A transistor)
Communication Ports	1x Ethernet, 1x RS‑485, 1x RS‑232
Ethernet Protocol	Modbus TCP, ABB AF100
Real‑Time Clock	Yes, with 30 days supercapacitor backup
Dimensions (W x H x D)	120 mm x 185 mm x 110 mm
Weight	1.10 kg (2.43 lbs)
Supply Voltage	24V DC ±15%
Current Draw	300 mA typical
Power Dissipation	7.2 W max
Internal Energy Storage	2200 µF capacitor bank
Supercapacitor for RTC	1.0 F, 30 days retention

Energy Storage and Data Integrity

Large capacitors maintain processor operation during 20 ms power dips. The supercapacitor preserves real‑time clock settings for 30 days. ABB 1SBP260021R1001 stores all retentive variables in non‑volatile EEPROM. Consequently, you lose no critical data after extended power outages.

Integrated I/O and Expansion Bus

Eight digital inputs accept 24V DC signals from sensors. Six transistor outputs drive small relays or indicator lamps. The RS‑485 bus connects additional I/O modules up to 500 meters. This basic unit supports up to 32 expansion modules on the remote bus.

Communication and Programming Environment

You program the ABB 1SBP260021R1001 using Control Builder software. The Ethernet port supports peer‑to‑peer communication between multiple controllers. An RS‑232 port provides a direct connection for program uploads. Therefore, system integration becomes straightforward and flexible.