Molex SST-PFB-CLX PROFIBUS Communication Module
$123.00
$320.00
Description
Molex SST-PFB-CLX PROFIBUS Communication Module
Configured for PROFIBUS DP communication in an Allen-Bradley ControlLogix chassis, the Molex SST-PFB-CLX (SST-PFB-CLX PROFIBUS communication module) provides direct backplane-to-network data exchange.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SST-PFB-CLX |
| Brand | Molex / SST |
| Product Type | PROFIBUS Communication Module |
| Application Platform | Allen-Bradley ControlLogix 1756 chassis |
| Network Protocol | PROFIBUS DP-V0 / DP-V1 |
| Operating Modes | PROFIBUS DP Master Class 1, Class 2; DP Slave |
| Baud Rate | 9.6 kbps to 12 Mbps, configurable or auto-detected |
| PROFIBUS Interface | 1 x 9-pin D-Sub female connector |
| Additional Interface | 1 x RS-232 serial configuration port |
| Additional Network Interface | 1 x RS-485 interface port |
| Maximum Slave Devices | Up to 125 PROFIBUS DP slaves in Master mode |
| Input Data Capacity | Up to 4,000 bytes |
| Output Data Capacity | Up to 4,000 bytes |
| Configuration Software | SST Console / Molex PROFIBUS Configuration Tool |
| Status Indicators | SYS, COMM, OK, ERR LEDs |
| Backplane Current | Approximately 850 mA at 5 VDC |
| Auxiliary Current | Approximately 1.75 mA at 24 VDC |
| Operating Temperature | 0 deg C to 60 deg C |
| Storage Temperature | -40 deg C to 85 deg C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions | 3.6 cm x 14.7 cm x 13.7 cm |
| Weight | 0.49 lb |
| Certifications | CE, UL, cUL, RoHS |
PROFIBUS Communication and ControlLogix Integration
The SST-PFB-CLX uses the ControlLogix chassis backplane for controller-side data exchange and configuration access. PROFIBUS DP-V0 supports cyclic process data transfer, while DP-V1 provides acyclic communication for parameterization and diagnostics.
The module supports PROFIBUS DP Master Class 1, Master Class 2, and Slave operating modes. Baud-rate configuration covers 9.6 kbps through 12 Mbps, with automatic detection also specified.
The PROFIBUS network connection uses a 9-pin D-Sub interface. The separate RS-232 configuration port provides serial access for module configuration, while the RS-485 interface is specified as an additional physical communication interface.
Frequently Asked Questions
Q: Can the SST-PFB-CLX operate as both a PROFIBUS Master and Slave?
A: The supplied specifications identify DP Master Class 1, Class 2, and DP Slave operating modes. Concurrent operation should follow the applicable configuration software and firmware documentation.
Q: What data capacity is specified for the module?
A: The module supports up to 4,000 bytes of input data and 4,000 bytes of output data.
Q: What should be checked before installing the module?
A: Verify the ControlLogix chassis slot, backplane power loading, PROFIBUS connector wiring, network termination, and configured baud rate before commissioning.
Field Installation Guidelines
- Install the module in a compatible Allen-Bradley ControlLogix 1756 chassis slot according to the chassis installation procedure.
- Confirm the chassis power budget before adding the module, using the specified 5 VDC and 24 VDC current requirements.
- Use PROFIBUS-compatible shielded cabling and maintain appropriate separation from high-voltage and high-current conductors.
- Terminate the PROFIBUS segment according to the network topology and PROFIBUS installation requirements.
- Bond cable shields according to the plant grounding scheme and avoid unintended ground-current paths through signal wiring.
- Secure the 9-pin D-Sub connector and verify pin assignments before applying network power.
- Keep RS-232 configuration wiring separated from high-energy switching circuits to reduce electromagnetic interference.
- Verify module status LEDs after startup, then confirm PROFIBUS network status before transferring process data.
- Do not change firmware or configuration parameters without verifying compatibility with the installed module revision and ControlLogix application.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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