Allen-Bradley 1336-PB-SP8C 1336-PB-SP14C 1336-PB-SP19C 1336-

Product Details

1336-PB-SP8C 1336-PB-SP14C 1336-PB-SP19C 1336-PB-SP23A 74101-181-51 Product Description

The Allen-Bradley 1336-PB-SP8C is a precision-engineered power board designed for the 1336 PLUS series of AC variable frequency drives, delivering reliable power conversion and gate-drive signal integrity across demanding industrial environments. In modern smart factory architectures, the power board is not merely a passive component — it is a critical node in the drive's internal data and control chain, directly influencing how the drive responds to commands issued from PLCs, SCADA systems, and HMI terminals over industrial communication networks.

The 1336-PB-SP8C is compatible with a range of power board variants including the 1336-PB-SP14C, 1336-PB-SP19C, and 1336-PB-SP23A, covering multiple horsepower ratings within the 1336 PLUS platform. This cross-variant compatibility makes it a versatile stocking choice for maintenance teams managing mixed-rating drive fleets across multi-line production facilities. Each unit is subject to pre-shipment functional testing to verify gate-drive output, power supply rail stability, and thermal protection circuit continuity before dispatch.

In a connected factory data flow, the 1336 PLUS drive — powered by the 1336-PB-SP8C board — typically sits between the motor load and the control layer. Commands originate from a Rockwell Automation ControlLogix or CompactLogix PLC, transmitted over DeviceNet or EtherNet/IP to the drive's communication adapter. The drive's internal processor interprets these commands and routes control signals through the power board to the IGBT gate-drive circuits, modulating motor speed, torque, and direction in real time. Feedback signals — including DC bus voltage, output current, and fault status — travel back through the same communication path to the PLC, and from there to a FactoryTalk View SE HMI or a Wonderware SCADA platform for operator visualization and alarm management.

When the 1336-PB-SP8C is installed and operating correctly, the drive's diagnostic registers remain accessible to remote monitoring tools. Maintenance engineers using RSLogix 5000 or Studio 5000 Logix Designer can poll drive parameters — including power board fault codes, thermal derating status, and gate-drive undervoltage events — without interrupting production. This remote diagnostic capability is essential in facilities where drives are installed in elevated enclosures, hazardous zones, or geographically distributed substations connected via fiber-optic industrial Ethernet switches such as the Stratix 5700 managed switch series.

The 1336-PB-SP8C also plays a role in energy monitoring workflows. When paired with a PowerMonitor 1000 or PowerMonitor 5000 energy meter on the same EtherNet/IP segment, plant engineers can correlate drive power consumption data with production throughput metrics logged in a historian such as FactoryTalk Historian SE. This data pipeline — from the drive's power board through the communication adapter, across the industrial Ethernet backbone, and into the historian — forms the foundation of energy transparency programs and ISO 50001 compliance reporting in smart manufacturing environments.

For facilities integrating legacy 1336 PLUS drives into newer IIoT architectures, the drive can be connected to an edge gateway such as the Rockwell Automation EDGE computing module or a third-party protocol converter supporting Modbus TCP to EtherNet/IP translation. This allows the drive's operational data — including power board health indicators — to be forwarded to cloud-based analytics platforms or MES systems without requiring a full drive replacement. The 1336-PB-SP8C thus extends the useful life of existing drive assets while enabling participation in digital transformation initiatives.

Remote I/O expansion modules connected to the same PLC backplane can monitor auxiliary signals from the drive enclosure — door open switches, cooling fan run feedback, and enclosure temperature sensors — providing a complete picture of drive health beyond what the drive's own diagnostics report. When an anomaly is detected, the PLC can trigger an alarm in the SCADA system, log the event with a timestamp, and initiate a controlled shutdown sequence to protect the motor and driven equipment. This closed-loop alarm and response architecture depends on the power board operating within specification, making the 1336-PB-SP8C a foundational element of system reliability.

Inventory is maintained in stock for immediate dispatch. All units carry a 12-month warranty covering manufacturing defects and functional failures under normal operating conditions. Global shipping is supported with standard lead times of 3–7 business days for most destinations.

A typical smart factory deployment integrating the 1336-PB-SP8C begins at the field device layer, where the 1336 PLUS drive controls a pump, conveyor, or compressor motor. The drive communicates upstream via a 1336-GM1 DeviceNet adapter or a 1336-GM3 EtherNet/IP adapter, connecting to a ControlLogix L7x PLC chassis over a Stratix 5700 managed industrial Ethernet switch. The PLC executes motion and process logic, reading drive speed feedback and writing speed reference setpoints in each scan cycle.

On the same EtherNet/IP network segment, a PanelView Plus 7 HMI terminal provides operators with real-time drive status — output frequency, motor current, DC bus voltage, and active fault codes sourced directly from the 1336-PB-SP8C's gate-drive and power supply circuits. Alarm conditions detected by the power board, such as overcurrent or undervoltage faults, are immediately surfaced on the HMI and simultaneously logged in a FactoryTalk Historian SE server for trend analysis and maintenance planning.

For facilities requiring protocol bridging between legacy DeviceNet segments and modern EtherNet/IP backbones, a ProSoft Technology MVI56E-DFNT communication module installed in the ControlLogix chassis handles the translation transparently, ensuring that 1336 PLUS drives on older network segments remain fully visible to the SCADA layer. A PowerFlex 525 drive operating on the same EtherNet/IP ring can serve as a reference point for comparing energy consumption profiles between legacy and current-generation drive platforms.

At the edge layer, a Rockwell Automation EDGE computing appliance aggregates drive data from multiple 1336 PLUS units across the plant floor, applying local analytics to detect early signs of power board degradation — such as increasing gate-drive pulse width variation or rising thermal derating frequency — before a fault occurs. This predictive maintenance data stream feeds into a cloud-connected MES or ERP system, closing the loop between field-level hardware health and enterprise production planning.

Many industrial sites operating 1336 PLUS drives face a common set of integration challenges: protocol fragmentation between legacy DeviceNet segments and modern EtherNet/IP infrastructure, data silos where drive fault histories are stored only in local drive memory and never surfaced to the SCADA layer, and limited remote visibility into power board health during unattended night shifts or weekend operations.

The 1336-PB-SP8C addresses these challenges by restoring the drive's internal signal integrity — the prerequisite for reliable communication adapter operation. A degraded power board produces erratic gate-drive signals that cause the drive to generate spurious fault codes, polluting the SCADA alarm log with false positives and masking genuine process anomalies. Replacing the power board with a tested 1336-PB-SP8C eliminates this noise, restoring clean data flow from the drive to the PLC and SCADA system.

For sites pursuing production line transparency, a functioning 1336-PB-SP8C enables the drive to participate fully in energy monitoring programs. When drive power consumption data is accurately reported over EtherNet/IP to a PowerMonitor 5000 energy meter and logged in FactoryTalk Historian, plant managers gain the visibility needed to identify inefficient operating points, schedule preventive maintenance during planned downtime windows, and demonstrate energy savings to corporate sustainability teams.

System expansion is also simplified when the power board is in good health. Adding a new 1336 PLUS drive to an existing DeviceNet or EtherNet/IP segment requires the drive to communicate reliably from first power-up. A pre-tested 1336-PB-SP8C ensures that the new drive node comes online cleanly, without the commissioning delays caused by intermittent communication faults from a marginal power board.

Q: Does the 1336-PB-SP8C support EtherNet/IP communication directly? A: The power board itself is an internal drive component responsible for gate-drive and power supply functions. EtherNet/IP or DeviceNet communication is handled by a separate communication adapter (such as the 1336-GM3 for EtherNet/IP) installed in the drive's option slot. The power board must be functioning correctly for the drive — and its communication adapter — to operate reliably on the network.

Q: How does a faulty power board affect SCADA and remote monitoring? A: A degraded 1336-PB-SP8C can cause the drive to generate intermittent or spurious fault codes, which propagate through the communication adapter to the PLC and SCADA system. This creates false alarms, complicates remote diagnostics, and can mask genuine process faults. Replacing the power board with a tested unit restores clean, reliable data flow to the monitoring layer.

Q: Is the 1336-PB-SP8C compatible with ControlNet and DeviceNet architectures? A: Yes. The 1336 PLUS platform supports multiple communication adapters covering EtherNet/IP, DeviceNet, and ControlNet protocols. The 1336-PB-SP8C is compatible across all 1336 PLUS drive variants that use these adapters, including those running on ControlNet segments managed by a ControlLogix chassis with a 1756-CNB ControlNet bridge module.

Q: What does the 12-month warranty cover, and is pre-shipment testing performed? A: Every 1336-PB-SP8C unit undergoes pre-shipment functional testing covering gate-drive output signal integrity, power supply rail voltages, and thermal protection circuit continuity. The 12-month warranty covers manufacturing defects and functional failures under normal operating conditions from the date of receipt, providing assurance for planned maintenance and emergency replacement scenarios alike.