The Allen-Bradley 1394-SJT10-C-RL is a 1394 Digital AC Multi-Axis Motion Control System module designed for CNC and high-performance servo applications. It is a GMC (General Motion Control) system module with Remote I/O and AxisLink interfaces, providing centralized servo power conversion, motion coordination, and communication functions for multi-axis machine systems.
The 1394-SJT10-C-RL supports 380/460 VAC three-phase input power and provides a 10 kW continuous power output capability. It is commonly used with Allen-Bradley 9-Series CNC systems, including 9/260 and 9/290 CNC controllers, for machine tools, CNC machining centers, and automated production equipment.
Product Datasheet
| Parameter |
Description |
| Brand |
Allen-Bradley (A-B) |
| Model |
1394-SJT10-C-RL |
| Series |
1394 Digital AC Multi-Axis Motion Control System |
| Product Name |
CNC Interface System Servo Drive Module |
| Origin / Place of Origin |
USA |
| Product Status |
New Surplus / Original Replacement |
| Module Type |
Servo System Module / Motion Controller |
| Input Voltage |
380–460 VAC Three Phase |
| DC Bus Output Voltage |
530–680 VDC |
| Continuous Power Output |
10 kW |
| Communication Interface |
Remote I/O (RIO) and AxisLink |
| CNC Compatibility |
Allen-Bradley 9/Series CNC (9/260, 9/290) |
| Motor Feedback |
Resolver / Encoder Interface (System Dependent) |
| Cooling Method |
Forced Air Cooling |
| Mounting Type |
Panel Mount |
| Weight |
Approx. 10–15 kg |
| Discontinued |
Yes, legacy product |
Common Questions & Answers
Q: What is the function of A-B 1394-SJT10-C-RL?
A: It is a servo system module that provides power conversion, motion control interface functions, and communication support for multi-axis CNC servo systems.
Q: Which systems use the 1394-SJT10-C-RL?
A: It is mainly used in Allen-Bradley 1394 motion control systems with CNC interface applications, including 9/Series CNC platforms such as 9/260 and 9/290.
Q: What does the “-RL” option mean?
A: The -RL option indicates the system module includes Remote I/O and AxisLink interface capability installed as part of the factory configuration.
Q: What are common failure symptoms?
A: Typical issues include servo axis faults, DC bus alarms, communication errors, encoder/resolver feedback problems, overheating, power module failures, and CNC interface communication loss.
Q: What should be checked before replacement?
A: Confirm the complete catalog number, input voltage, CNC controller compatibility, AxisLink/RIO wiring, motor axis modules, feedback connections, and parameter configuration before installation.
Recommended Allen-Bradley Models
- A-B 1394-SJT10-C-RL – CNC Interface Servo System Module 10kW
- A-B 1394-SJT05-C-RL – CNC Interface Servo System Module 5kW
- A-B 1394-SJT10-A – Analog Servo Control Module
- A-B 1394-SJT10-D – SERCOS Servo Control Module
- A-B 1394-SJT10-T-RL – GMC Turbo Servo System Module
- A-B 1394-SJT22-C-RL – High Power Servo System Module
- A-B 1394-AM03 – Servo Axis Module
- A-B 1394-AM04 – Servo Axis Drive Module
- A-B 1394-AM07 – Servo Axis Module
- A-B 1394C-SJT10-C-RL – Updated 1394C Servo System Module
- A-B 1391-DES45 – Digital AC Servo Drive
- A-B 1391B-AA45 – AC Servo Drive
- A-B 1394 Series Motion Control System – Multi-Axis Servo Platform
- A-B Ultra 3000 Series – Digital Servo Drive Family
- A-B Kinetix 6000 Series – Multi-Axis Motion Control System
