Description
Emerson FX-316 960132-01 Positioning Servo Drive
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Control Techniques / Emerson |
| Model | FX-316 |
| Part Number | 960132-01 |
| Product Family | FX Series |
| Product Type | Positioning Servo Drive |
| Supply | 240 VAC |
| Input Phase | 3-phase |
| Drive Current | 4 A |
| Motor Application | DM-316C |
| Control Function | Closed-loop positioning |
| Integrated Functions | Position control, I/O, feedback, servo amplifier, power supply |
| Programming/Configuration | PCX / PCXWin family |
| Status | Legacy / discontinued |
The FX-316 960132-01 belongs to the older Control Techniques FX brushless positioning drive family. A current industrial repair reference identifies the exact unit as a 4 A, 240 VAC, 3-phase positioning servo drive for the DM-316C motor.
The broader FX Series architecture integrated the position controller, I/O, feedback circuitry, servo amplifier, and power supply into one housing. This is important when troubleshooting an old machine because a fault that appears to be a controller, motor-feedback, or amplifier problem can originate inside the same FX drive assembly.
Product Introduction
The Emerson FX-316 960132-01 is a legacy brushless positioning servo drive designed for closed-loop motion control. Its primary job is to control a compatible servo motor while handling the position-control function, feedback processing, I/O, and power amplification within the FX drive architecture. The documented 4 A / 240 VAC configuration is associated with the DM-316C motor family.
For maintenance engineers, the main value of the FX-316 960132-01 is its role as a complete motion-control assembly rather than a simple power amplifier. Replacing it therefore requires more than matching voltage and current. The motor, feedback device, control wiring, stored motion parameters, and machine sequencing all need to be considered.
FX-316
Application Scenarios & Field Pitfalls — The Engineer’s Perspective
Engineering Pain Point
A legacy positioning machine may continue to power up while producing incorrect position, following errors, servo faults, or uncontrolled motor behavior. These symptoms can originate from the motor, feedback circuit, drive power stage, control parameters, or machine-side I/O. With an integrated FX drive, separating these functions during troubleshooting requires a deliberate test sequence.
The FX-316 960132-01 is particularly relevant when maintaining an existing machine that was engineered around the FX Series rather than when designing a new servo system. A like-for-like replacement can preserve the existing motor and machine interface, but only when the electrical and configuration details match.
Typical Applications
1. Industrial Positioning Equipment
The FX Series was designed for positioning applications requiring coordinated control of a brushless servo motor.
2. Machine-Axis Control
The integrated servo amplifier and feedback circuitry make the FX-316 suitable for machine axes where the controller must regulate motor position through a closed-loop feedback system.
3. Legacy Manufacturing Equipment
Existing machinery with an FX-316 installed may depend on its original motor, feedback interface, I/O arrangement, and configuration software. Maintaining the drive can therefore be preferable to changing the entire motion architecture.
4. Servo System Maintenance
The FX-316 can serve as a direct maintenance spare when the installed system has been verified as the same FX-316 / 960132-01 configuration.
Technical Pitfalls
Confirm the exact electrical version.
The documented FX-316 configuration is associated with 240 VAC, 3-phase input and 4 A drive capacity. Do not substitute a different FX model simply because it carries a similar current rating.
Verify the motor before replacement.
The FX-316 reference specifically identifies the DM-316C motor application. Motor compatibility should be checked from the machine documentation and motor nameplate rather than inferred from physical connector similarity.
Feedback compatibility matters.
A servo drive depends on the correct feedback signal to close the position loop. Encoder or resolver-related wiring, feedback type, connector pinout, and parameter settings should be checked before condemning the drive.
Do not confuse the FX-316 with a PLC I/O module.
Several online listings incorrectly classify this part as an I/O module. The stronger identification is FX-316 Positioning Servo Drive / Servo Control, including the exact 960132-01 part number.
Do not mix unrelated FX-316 descriptions.
There are online listings describing the same part number as a flame detector or generic I/O device. Those descriptions conflict with the consistent servo-drive identification from Control Techniques-related references and repair documentation.
Check stored application parameters.
A replacement drive may require restoration of positioning parameters, motor data, I/O assignments, limits, acceleration/deceleration values, and other machine-specific settings. Do not assume that installing the hardware alone restores the original machine behavior.
Treat a discontinued drive as a system-level spare.
The FX-316 is identified by current secondary documentation as discontinued. For a legacy machine, retaining a tested spare can be more practical than waiting until the installed drive fails and then attempting an emergency redesign.
Related Products
- Control Techniques FX-316 — Same FX-316 drive designation; confirm the complete 960132-01 ordering code.
- DM-316C — Motor associated with the FX-316 configuration.
- Control Techniques FX-316CE — Related FX-series variant; electrical and application differences must be checked before substitution.
- Control Techniques FX Series Servo Drives — Related brushless positioning drives with different motor/current configurations.
- Control Techniques FX Series Amplifiers — Related drive hardware within the same legacy motion-control family.
- Control Techniques FX Series Application Modules — Optional hardware associated with certain FX configurations; verify the installed unit before ordering.
- Control Techniques PCX / PCXWin — Legacy configuration/programming environment associated with FX Series systems.
Procurement Note
For an FX-316 960132-01 replacement, match the complete part number, motor model, supply configuration, feedback arrangement, and machine application. The 4 A / 240 VAC rating alone is not sufficient to establish compatibility.
For used or refurbished inventory, request clear photographs of the complete nameplate, terminal area, connector panel, PCB/revision markings, and any installed option or application module. If the original drive is still operational, back up its configuration before removal. That information can be more valuable than the replacement hardware itself when maintaining a discontinued positioning system.
