Allen‑Bradley 1336‑SN‑SP10A 74101‑363‑51 ScanPort Communication Board

The Allen‑Bradley 1336‑SN‑SP10A (PCB part number 74101‑363‑51) is a ScanPort‑based Remote I/O communication adapter board for 1336 series AC variable‑frequency drives. It connects to the drive internal ScanPort interface, implementing Universal Remote I/O (RIO) bus communication, enabling PLC to read drive status and send speed‑reference control commands for motor‑drive automation systems.

This internal drive plug‑in board provides galvanic isolation between RIO network and drive logic circuit, with switch‑selectable baud‑rate and communication status LED indicators. It is an important aftermarket spare for maintenance, overhaul and retrofitting of legacy 1336 Plus / 1336 Force frequency‑converter equipment on manufacturing sites.

Main Specifications

• Brand: Allen‑Bradley (Rockwell Automation); Model:1336‑SN‑SP10A 74101‑363‑51; Type: ScanPort RIO Communication Board
• Applicable Device: Allen‑Bradley 1336 Plus, 1336 Plus II, 1336 Force series AC variable‑frequency drives
• Communication Protocol: Universal Remote I/O (RIO); Baud rate: 57.6 k / 115.2 k / 230.4 kbps switch‑selectable
• Interface: Internal ScanPort connector for drive motherboard, RIO network terminal, communication status LED indicator
• Function: Drive‑PLC RIO bus data interaction, speed command reception, operating‑status feedback, fault‑signal transmission
• Feature: 500 V AC isolation between RIO side and drive logic; Powered by host drive 5 V / 12 VDC internal power supply
• Installation: Plug‑in internal installation inside 1336‑series frequency‑converter cabinet
• Operating Environment:0℃ ~ +60℃, 5%‑95% RH non‑condensing
• Certifications: CE compliant for industrial variable‑frequency‑drive automation applications

Core Functions

• Plug into the ScanPort socket of 1336‑series drive mainboard to build hardware link for Remote I/O bus communication.
• Receive speed reference, start‑stop and mode‑switch commands from upper‑level PLC via RIO bus and forward them to drive control logic.
• Upload drive running data including motor speed, output current, voltage and fault‑code information back to PLC controller through RIO network.
• Realize electrical isolation between RIO field‑bus and drive internal logic circuit to restrain external electromagnetic interference impact.
• Support baud‑rate hardware switching to match different Remote I/O network configuration requirements of automation systems.
• Front‑panel LED indicator reflects real‑time communication status for on‑site commissioning and fault‑diagnosis work.

Application Scenarios

• RIO bus communication accessory for legacy Allen‑Bradley 1336 series AC variable‑frequency‑drive motor‑control systems.
• Communication interface hardware for conveyor, pump and fan drive‑control projects in manufacturing workshops and process‑industry sites.
• Retrofit and spare replacement for legacy 1336‑SN‑SP10A communication‑board drive‑hardware upgrade projects.
• Frequency‑converter overhaul, bus‑communication‑loop debugging and faulty communication‑board replacement tasks.
• Spare‑parts inventory for drive‑system integrators and industrial automation engineering contractors.

• Global aftermarket spare supply for technical teams maintaining Allen‑Bradley 1336 legacy variable‑frequency‑drive hardware.