Delta ASD-B2-2023-B Servo Drive

Core Positioning & Model Explanation

ASD-B2-2023-B is a standard general-purpose servo drive from Delta’s ASDA-B2 series, with a power rating of 2 kW, designed for precise motion control in mid-to-high-end automation equipment.

Model Segment	Description
ASD-B2	Delta ASDA‑B2 series standard general-purpose servo drive
20	Power rating: 2000W (2kW)
23	Input power: 230V 3‑phase input
B	Control mode: Pulse control type

Key Technical Specifications

Category	Specifications
Basic Specs	• Power: 2kW
	• Input voltage: AC 200V~230V 3‑phase
	• Output current: 13.4A (continuous), 8.76A (30 minutes)
	• Control method: Triple closed-loop control (position / speed / torque)
	• Standard encoder resolution: 17‑bit (160,000 ppr)
Performance	• Pulse input: Up to 4Mbps
	• Response frequency: 500Hz
	• Control cycle: 2.2μs
	• Communication: RS‑232, RS‑485 (supports Modbus)
	• 3 sets of auto-resonance suppression filters
Physical	• Mounting: Chassis mount
	• Cooling: Natural convection (fanless)
	• Protection: IP20 (must be installed in enclosed cabinet)
	• Dimensions: Approx. 250×180×150mm (subject to official data)
Environment	• Operating temp: -20°C ~ +65°C
	• Storage temp: -40°C ~ +85°C
	• Humidity: 0% ~ 90% RH (non‑condensing)
	• Certifications: UL, cUL, CE, RoHS

Matching Motor Models

ASD-B2-2023-B is compatible with the following Delta ECMA series 2kW servo motors:

Motor Model	Features
ECMA-C21020SS/PS	Frame 100 (NEMA 42), keyway, center threaded hole, standard shaft (22mm)
ECMA-E21320SS/PS	Frame 130 (NEMA 56), with brake, standard shaft (22mm)
ECMA-E21820SS/PS	Frame 180 (NEMA 71), long shaft (35mm)

Product Features & Advantages
High-precision positioning: 17-bit high-resolution encoder ensures stable low-speed operation and accurate positioning.
Flexible control: Built-in position / speed / torque modes, switchable via parameters or analog voltage.
Easy integration: Power and encoder wiring compatible with ASDA-B series, reducing upgrade costs.
Vibration suppression: Three auto-resonance filters effectively reduce mechanical vibration.
Safety & reliability: Meets international safety standards with overcurrent, overvoltage, and overtemperature protection.
Typical Applications

Widely used in various automation and precision machinery:

Machining center tool changers, indexing assembly systems

Packaging machinery: sealers, fillers, high-speed winders

Metalworking: shears, feeders, lathes, EDM machines

Electronics manufacturing: PCB dispensers, formers, testers, cutters

3D printers, printing equipment, contouring machines, engraving machines, etc.

Replacement & Upgrade Solutions

6.1 Delta Official Replacement

The ASDA-B2 series will be discontinued on December 31, 2025. The official recommended replacement is ASD-B3-2023-L (B3 series, 2kW, 230V 3-phase, pulse type).

Item	ASD-B2-2023-B	ASD-B3-2023-L
Response frequency	500Hz	1kHz (100% improvement)
Control cycle	2.2μs	125μs (8× shorter)
Communication	Modbus	Supports EtherCAT, CANopen and other industrial buses
Enhanced functions	–	Flexible structure compensation, low-frequency vibration suppression, etc.

6.2 Other Brand Alternatives

Brand	Replacement Model	Compatibility
Siemens	2kW pulse type, V90 series	Parameter and wiring adjustment required
Schneider	2kW, Lexium 28 series	Similar control logic, direct replacement possible
Omron	2kW, R88D series	Communication protocol reconfiguration required

Ordering Information

Item	Details
Model	ASD-B2-2023-B
Manufacturer	Delta Electronics / Industrial Automation
Status	Active (in production, to be discontinued end of 2025)
Recommended Accessories	• Power cable: 3‑core shielded cable for 2kW servo motor
	• Encoder cable: Delta dedicated encoder cable (length ≤20m)
	• Braking resistor: optional (based on load inertia and braking frequency)

Usage Notes
Must be installed in an enclosed control cabinet complying with UL50 Type 1 or NEMA 250 Type 1.
Ensure adequate heat dissipation; avoid dust, oil, and corrosive gases.
Route power and encoder cables separately to minimize EMI.
Configure and commission parameters via ASD-Soft software before first use.
Regularly clean heat sinks to maintain cooling performance.

Complete Model List of Delta ASD Series Servo Drives

General Naming Convention

Delta ASD servo drives follow a unified naming rule (example: ASD-B3-0421-L):

Model Segment	Meaning	Options / Examples
ASD-XX	Series code	B2 / B3 / A2 / A3 / E3 / E3C / W3 / H3 / M, etc.
XXYY	Power & voltage	XX = power code (01=100W, 02=200W, 04=400W, 07=750W, 10=1kW, 15=1.5kW, 20=2kW, 30=3kW, 45=4.5kW, 75=7.5kW)
XXYY	Power & voltage	YY = voltage code (21=220V 1/3‑phase, 23=220V 3‑phase, 43=400V 3‑phase)
-Z	Control mode / type	L = pulse type (PR + RS-485 + analog)
		M = pulse + CANopen
		F = pulse + DMCNET
		E = pulse + EtherCAT
		B = pulse type (B2 exclusive)
		EP = EtherCAT + STO (A3 exclusive)

Complete Model List by Series

2.1 ASDA-B2 Series (Standard general-purpose, discontinued end-2025, replaced by B3)

Power range: 0.1kW ~ 3kW, Input: AC 200V~230V 1/3-phase

Power	Voltage	Control	Full Model	Output Current
100W	220V 1‑phase (21)	Pulse (B)	ASD-B2-0121-B	1.5A (cont), 2.7A (30min)
200W	220V 1‑phase (21)	Pulse (B)	ASD-B2-0221-B	2.0A (cont), 3.6A (30min)
400W	220V 1‑phase (21)	Pulse (B)	ASD-B2-0421-B	2.8A (cont), 5.2A (30min)
750W	220V 1‑phase (21)	Pulse (B)	ASD-B2-0721-B	4.0A (cont), 7.4A (30min)
1kW	220V 1‑phase (21)	Pulse (B)	ASD-B2-1021-B	4.68A (cont), 8.88A (30min)
1.5kW	220V 1‑phase (21)	Pulse (B)	ASD-B2-1521-B	5.9A (cont), 10.3A (30min)
2kW	220V 3‑phase (23)	Pulse (B)	ASD-B2-2023-B	13.4A (cont), 8.76A (30min)
3kW	220V 3‑phase (23)	Pulse (B)	ASD-B2-3023-B	16.5A (cont), 10.8A (30min)

2.2 ASDA-B3 Series (Standard general-purpose, upgrade of B2)

Power range: 0.1kW ~ 7.5kW, Input: AC 200V~230V 1/3-phase, AC 380V~480V 3-phase

220V Class (21/23)

Power	Voltage	Control	Full Model	Key Features
100W	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-0121-L/M/F/E	1.55A, 3.1kHz response, 24‑bit encoder
200W	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-0221-L/M/F/E	2.0A
400W	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-0421-L/M/F/E	2.65A
750W	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-0721-L/M/F/E	4.0A
1kW	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-1021-L/M/F/E	4.68A
1.5kW	220V 1/3‑phase (21)	L/M/F/E	ASD-B3-1521-L/M/F/E	5.9A
2kW	220V 3‑phase (23)	L/M/F/E	ASD-B3-2023-L/M/F/E	13.4A
3kW	220V 3‑phase (23)	L/M/F/E	ASD-B3-3023-L/M/F/E	16.5A

400V Class (43)

Power	Voltage	Control	Full Model
1.5kW	400V 3‑phase (43)	L/M/F/E	ASD-B3-1543-L/M/F/E
2kW	400V 3‑phase (43)	L/M/F/E	ASD-B3-2043-L/M/F/E
3kW	400V 3‑phase (43)	L/M/F/E	ASD-B3-3043-L/M/F/E
4.5kW	400V 3‑phase (43)	L/M/F/E	ASD-B3-4543-L/M/F/E
7.5kW	400V 3‑phase (43)	L/M/F/E	ASD-B3-7543-L/M/F/E

B3A Series (Special Applications)

ASD-B3A-2043-E: 400V class 2kW, EtherCAT + pulse, for special equipment

2.3 ASDA-A2 Series (Advanced general-purpose)

Power range: 0.1kW ~ 7.5kW, Input: 220V / 400V, Control: L/M/F/U/E (U=USB, E=EtherCAT)

Power	Voltage	Control	Full Model
100W	220V (21)	L/M/F/U/E	ASD-A2-0121-L/M/F/U/E
200W	220V (21)	L/M/F/U/E	ASD-A2-0221-L/M/F/U/E
400W	220V (21)	L/M/F/U/E	ASD-A2-0421-L/M/F/U/E
750W	220V (21)	L/M/F/U/E	ASD-A2-0721-L/M/F/U/E
1kW	220V (21) / 400V (43)	L/M/F/U/E	ASD-A2-1021/1043-L/M/F/U/E
1.5kW	220V (21) / 400V (43)	L/M/F/U/E	ASD-A2-1521/1543-L/M/F/U/E
2kW	220V (23) / 400V (43)	L/M/F/U/E	ASD-A2-2023/2043-L/M/F/U/E
3kW	220V (23) / 400V (43)	L/M/F/U/E	ASD-A2-3023/3043-L/M/F/U/E
4.5kW	400V (43)	L/M/F/U/E	ASD-A2-4543-L/M/F/U/E
7.5kW	400V (43)	L/M/F/U/E	ASD-A2-7543-L/M/F/U/E

2.4 ASDA-A3 Series (High-end servo system)

Power range: 0.1kW ~ 7.5kW, Input: 220V / 400V, Control: L/M/F/E/EP (EP=EtherCAT+STO)

Power	Voltage	Control	Full Model	Key Features
100W~7.5kW	220V (21/23) / 400V (43)	L/M/F/E/EP	ASD-A3-XXYY-L/M/F/E/EP	3.1kHz response, 24‑bit absolute encoder, EtherCAT, STO
4.5kW	220V 3‑phase (23)	EP	ASD-A3-4523-EP	High-end motion control, synchronous control
7.5kW	400V 3‑phase (43)	EP	ASD-A3-7543-EP	Multi-axis synchronization, electronic cam

2.5 ASDA-E3 / E3C Series (Basic economical type)

Power range: E3(0.1kW~3kW), E3C(0.4kW~1.5kW), Input: 220V 1/3-phase

Series	Power	Voltage	Control	Full Model
E3	100W~3kW	220V 1/3‑phase (21)	L/E	ASD-E3-XX21-L/E	Basic functions, cost-effective
E3C	400W/750W/1.5kW	220V 1/3‑phase (21)	L/E	ASD-E3C-0421/0721/1521-L/E	33% smaller size, 2.5kHz response

2.6 Special Series (W3 / H3 / M / A2R)

ASDA-W3 Series (Linear servo dedicated)

ASD-W3-DM202S-AS: For linear motors, 2kW, 220V, servo control

Others: ASD-W3-DMXXX-AS (XXX = power code)

ASDA-H3 Series (High-speed high-precision)

Full series: ASD-H3-XXYY-L/M/F/E

Features: 5kHz response, high-speed motion, for semiconductor / LCD equipment

ASDA-M Series (Advanced general-purpose)

Full series: ASD-M-XXYY-L/M/F/E

Position: Balanced performance & cost between A3 and B3, multi-bus support

ASDA-A2R Series (Rotary servo optimized)

Full series: ASD-A2R-XXYY-L/M/F/E

Optimized for rotary motion, high dynamic response, for machine tools & automation lines

Discontinued Series (For Reference Only)

Series	Typical Model	Recommended Replacement
ASDA‑B	ASD-B-0421-B	B3 / E3 series
ASDA‑AB	ASD-AB-1021-B	B3 series
ASDA‑A	ASD-A-0721-L	A3 series

Quick Model Reference
Power codes: 01=100W, 02=200W, 04=400W, 07=750W, 10=1kW, 15=1.5kW, 20=2kW, 30=3kW, 45=4.5kW, 75=7.5kW
Voltage codes: 21=220V 1/3-phase, 23=220V 3-phase, 43=400V 3-phase
Control modes:

L: Pulse type (PR + RS-485 + analog)

M: Pulse + CANopen

F: Pulse + DMCNET

E: Pulse + EtherCAT

EP: EtherCAT + STO (A3 exclusive)