Allen-Bradley 1769-SM1 Compact I/O Single Axis Motion Controller
Manufacturer: Allen Bradley
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Part Number: 1769-SM1
Condition：New with Original Package
Product Type: Motion Control Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Allen-Bradley 1769-SM1 Compact I/O Motion Control Module
The Allen-Bradley 1769-SM1, also cataloged as the 1769-SM1 Compact I/O Motion Control Module, operates as a dedicated hardware component for single-axis servo or stepper motor command execution within CompactLogix and MicroLogix 1500 system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-SM1 |
| Brand | Allen-Bradley / Rockwell Automation |
| Origin | China |
| Module Type | DPI/Scanport Communication Module / Motion Control Module |
| Number of Axes | 1 axis (servo or stepper) |
| Output Type | Pulse train output (PTO) or step/direction signals |
| Control Modes | Position, velocity, torque |
| Resolution | High-resolution pulse generation |
| Current Draw | Powered via Compact I/O backplane |
| Power Supply Distance Rating | 8 modules |
| Configuration Interface | RSLogix 5000 / Studio 5000 software environment |
| Solid Wire Size | 22 to 14 AWG copper wire rated at 90 deg C |
| Stranded Wire Size | 22 to 16 AWG copper wire rated at 90 deg C |
| Weight | 0.09 kg (0.19 lbs) |
| Operating Temp | 0 deg C to +60 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | 5% to 95% RH, non-condensing |
| System Compatibility | CompactLogix (Bulletin 1768/1769 series), MicroLogix 1500 |
| Certifications | CE, UL, IECEx |
Backplane Bus Communication and Deterministic Networks
The 1769-SM1 establishes direct physical connection to the controller backplane, utilizing hardware channels to synchronize high-resolution pulse train outputs with internal processor motion profiles. The module transfers position, velocity, and torque loop parameters across the bus structure to sustain precise electronic gearing and positioning targets. To prevent communication latency or voltage drop across the physical backplane rail, installation rules restrict placement within the maximum 8-module power supply distance rating. Diagnostic logic constantly monitors the pulse transmission loops and triggers user-defined safe-state routines during localized backplane or communication faults.
Frequently Asked Questions
Q: Can this motion module be extracted or replaced while the system backplane is energized?
A: No. The 1769-SM1 does not support online insertion and removal (RIUP). Operators must isolate all electrical power from the CompactLogix or MicroLogix backplane prior to mounting or unmounting the module to avoid hardware damage.
Q: What defines the physical limitation for positioning this module relative to the system power source?
A: The module maintains a power supply distance rating of 8 modules. The hardware must reside within 8 slots of a system power supply to guarantee signal synchronization and voltage stability across the I/O bus.
Field Installation Guidelines
- Mechanical Mounting: Mount the module onto a standard 35 mm DIN rail or fasten it securely to a metallic enclosure panel using the integrated mounting feet. Ensure the backplane slide locks engage completely with adjacent modules.
- Wiring Separation: Route low-voltage pulse train output (PTO) and step/direction signal lines through independent, grounded steel conduits. Keep these circuits separated from high-voltage AC motor power cables to block electromagnetic noise induction.
- Shield Grounding: Terminate the cable shields at a single point, ideally at the panel functional earth ground bus bar, to prevent ground loop currents from distorting the high-resolution pulse generation.
- Thermal Management: Observe the 0 deg C to +60 deg C operating limits by maintaining a minimum 50 mm clearance zone above and below the module chassis for unobstructed natural air convection.