Allen-Bradley 40888-490-01-S1FX Motor Control Cards
The Allen-Bradley 40888-490-01-S1FX, also cataloged as the 40888-490-01-S1FX Control Module, operates as a dedicated hardware component for solid-state motor starting execution and gating sequence control within Bulletin 150 SMC Controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 40888-490-01-S1FX |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.91 kg (2.01 lbs) |
| Dimensions | Standard Bulletin 150 Control Module Form Factor |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 15 W maximum |
| Control Voltage Range | 120-240 VAC |
| Series Compatibility | Bulletin 150 Smart Motor Controller (SMC) |
| Current Rating Range | All Rating Units (Universal Control Board) |
| Functional Type | Standard Control Module |
| Lifecycle Status | Discontinued by Manufacturer (07/31/2015) |
Backplane Communication & Deterministic Network Interfacing
The Allen-Bradley 40888-490-01-S1FX control module interfaces directly with internal power pole assemblies to manage soft-start voltage ramping, current limit acceleration, and soft-stop decelerations. Communicating over internal backplane bus channels, the module processes real-time phase current and line voltage zero-crossing inputs to synchronize silicon-controlled rectifier (SCR) firing angles. Integrated firmware flash compatibility allows seamless exchange of operating status and fault diagnostics across ControlNet and EtherNet/IP deterministic networks via external communication adapter modules, ensuring rapid feedback for motor protection and I/O density scaling inside centralized motor control centers.
Frequently Asked Questions
Q: Can the 40888-490-01-S1FX control module be installed while the main Bulletin 150 power chassis is energized?
A: No. Line power and control supply voltage (120-240 VAC) must be completely disconnected prior to inserting or removing the control module. Hot-swapping the card can cause high-voltage contact arcing and damage internal gate drive circuitry.
Q: Is this control module rating-specific to a single horsepower or current class?
A: No. The 40888-490-01-S1FX is engineered as a standard replacement control module suitable for installation across all rating units within the Bulletin 150 SMC product line.
Q: How does the unit preserve calibration settings during a control power outage?
A: Operating parameters, DIP-switch configurations, and historical trip logs are maintained in onboard nonvolatile memory, preventing data loss during complete control voltage supply interruptions.
Field Installation Guidelines
Isolate and verify de-energization of all main line power and 120-240 VAC control circuits supplying the Bulletin 150 SMC enclosure prior to installation. Insert the 40888-490-01-S1FX module into the power structure, making sure internal ribbon cables and edge connectors line up correctly before securing retaining fasteners.
Ensure the control panel ground lug is connected directly to earth ground with a low-impedance copper conductor. Route external 120-240 VAC control power and digital I/O leads in separate wireways from 3-phase motor power and high-voltage supply lines to prevent electromagnetic interference. Tighten all field wiring terminals to the torque specifications printed on the main unit housing.
Allen-Bradley 40888-490-01-S1FX Motor Control Cards
Allen-Bradley 40888-490-01-S1FX Motor Control Cards
The Allen-Bradley 40888-490-01-S1FX, also cataloged as the 40888-490-01-S1FX Control Module, operates as a dedicated hardware component for solid-state motor starting execution and gating sequence control within Bulletin 150 SMC Controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 40888-490-01-S1FX |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.91 kg (2.01 lbs) |
| Dimensions | Standard Bulletin 150 Control Module Form Factor |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 15 W maximum |
| Control Voltage Range | 120-240 VAC |
| Series Compatibility | Bulletin 150 Smart Motor Controller (SMC) |
| Current Rating Range | All Rating Units (Universal Control Board) |
| Functional Type | Standard Control Module |
| Lifecycle Status | Discontinued by Manufacturer (07/31/2015) |
Backplane Communication & Deterministic Network Interfacing
The Allen-Bradley 40888-490-01-S1FX control module interfaces directly with internal power pole assemblies to manage soft-start voltage ramping, current limit acceleration, and soft-stop decelerations. Communicating over internal backplane bus channels, the module processes real-time phase current and line voltage zero-crossing inputs to synchronize silicon-controlled rectifier (SCR) firing angles. Integrated firmware flash compatibility allows seamless exchange of operating status and fault diagnostics across ControlNet and EtherNet/IP deterministic networks via external communication adapter modules, ensuring rapid feedback for motor protection and I/O density scaling inside centralized motor control centers.
Frequently Asked Questions
Q: Can the 40888-490-01-S1FX control module be installed while the main Bulletin 150 power chassis is energized?
A: No. Line power and control supply voltage (120-240 VAC) must be completely disconnected prior to inserting or removing the control module. Hot-swapping the card can cause high-voltage contact arcing and damage internal gate drive circuitry.
Q: Is this control module rating-specific to a single horsepower or current class?
A: No. The 40888-490-01-S1FX is engineered as a standard replacement control module suitable for installation across all rating units within the Bulletin 150 SMC product line.
Q: How does the unit preserve calibration settings during a control power outage?
A: Operating parameters, DIP-switch configurations, and historical trip logs are maintained in onboard nonvolatile memory, preventing data loss during complete control voltage supply interruptions.
Field Installation Guidelines
Isolate and verify de-energization of all main line power and 120-240 VAC control circuits supplying the Bulletin 150 SMC enclosure prior to installation. Insert the 40888-490-01-S1FX module into the power structure, making sure internal ribbon cables and edge connectors line up correctly before securing retaining fasteners.
Ensure the control panel ground lug is connected directly to earth ground with a low-impedance copper conductor. Route external 120-240 VAC control power and digital I/O leads in separate wireways from 3-phase motor power and high-voltage supply lines to prevent electromagnetic interference. Tighten all field wiring terminals to the torque specifications printed on the main unit housing.
