Description

ABB DSQC266G 3HAB8801-1 Servo Control Board

Configured for servo motion execution in ABB robot controller platforms, the ABB DSQC266G 3HAB8801-1 (DSQC266G Servo Control Board) provides direct physical and electrical control of motor feedback, PWM outputs, and closed-loop position regulation.

Hardware Specifications

Parameter	Specification
Model	DSQC266G 3HAB8801-1
Brand	ABB
Product Type	Servo Control Board
Origin	Sweden
Weight	0.4 kg
Dimensions	28 x 20.3 x 2.7 cm
Operating Temp	0 deg C to +55 deg C
Power Consumption	15 W typical
Operating Voltage	24 VDC +/-10%
Memory	64 MB DDR3, 16 MB Flash
Control Loop Update Rate	62.5 us
Position Resolution	24-bit (0.0001 deg)
Velocity Ripple	<0.02% of rated speed
Torque Control Accuracy	+/-0.5% of rated torque
Motor Outputs	3-phase PWM, up to 20 kHz
Encoder Inputs	2 x EnDat 2.2/SSI, 26-bit
Digital I/O	8 x 24 VDC inputs, 4 x 0.5 A outputs
Robot System Bus	12 Mbps
Vibration Rating	5g at 5-200 Hz
Tariff Code	8537101190

ABB Industrial Drive and Firmware Interface Characteristics

The DSQC266G servo control board manages closed-loop motor control functions through digital feedback acquisition and PWM motor command generation. It exchanges control data through the ABB robot system bus at 12 Mbps, while the onboard flash memory supports firmware storage and compatibility management.

Furthermore, the board uses deterministic communication timing for motion regulation. Its 62.5 us control loop update rate supports synchronized position, velocity, and torque calculations within ABB robotic motion architectures.

The DSQC266G also follows ABB industrial control design practices, including firmware flash compatibility management and high-speed internal communication handling. The board supports encoder feedback through EnDat 2.2/SSI interfaces, enabling precise motor position tracking and feedback processing.

Frequently Asked Questions

Q: What type of motor feedback interfaces does the DSQC266G support?
A: The DSQC266G supports two encoder inputs using EnDat 2.2 or SSI communication interfaces with 26-bit resolution capability.

Q: What is the power supply requirement for the DSQC266G board?
A: The board operates from a 24 VDC +/-10% power input and has a typical power consumption of 15 W.

Q: Does the DSQC266G provide direct motor drive outputs?
A: Yes. The board provides 3-phase PWM motor outputs with switching capability up to 20 kHz for servo motor control.

Field Installation Guidelines

Install the DSQC266G in the designated ABB robot controller rack according to the system hardware manual. Before installation, verify that the controller power supply is disconnected and that all stored electrical energy has discharged.

Use proper ESD protection when handling the circuit board. Ensure that encoder cables, motor power cables, and digital I/O wiring maintain separation to reduce electrical interference. Connect shielding layers according to ABB grounding requirements and avoid routing signal cables parallel to high-current motor conductors.

After installation, verify the 24 VDC supply level, encoder communication status, and robot system bus communication before enabling servo operation. Confirm firmware compatibility before replacing or exchanging controller hardware.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems