Published On: July 22, 2026342 words1.8 min read

Technical Specifications

  • Product Model: 1642BX01676858
  • Brand: ROTORK
  • Warranty: One Year
  • Input Voltage: 24 VDC nominal control supply
  • Operating Temperature: -20°C ~ +60°C
  • Storage Temperature: -25°C ~ +70°C
  • Response Time: ≤ 100ms signal processing latency
  • Protection Class: PCB conformal coated; installed inside actuator IP68 enclosure
  • Accuracy Class: ±0.5% valve position sensing resolution
  • Output Frequency: N/A
  • Rated Current Range: Max 0.7 A continuous consumption
  • Communication Interface: Internal actuator bus, multi-way pin connectors
  • Supported Protocols: Proprietary Rotork actuator communication protocol
  • Overload Capacity: Overvoltage, reverse polarity and ESD protection; transient surge suppression
  • Dimensions (W×H×D): 172 mm × 116 mm × 22 mm, actuator internal PCB assembly
  • TVB-1202-1ANET

Product Overview

The ROTORK 1642BX01676858 is a conformal-coated main control printed circuit board engineered as the core logic unit for Rotork intelligent electric valve actuators. This internal electronic assembly executes valve position regulation, torque monitoring and local/remote command decoding, resolving unstable actuator response and position feedback drift experienced in industrial and marine flow control environments. Instrument technicians, maintenance crews and system integrators supporting ROTORK valve automation infrastructure depend on this PCB for consistent actuator operation. It processes open/close commands, captures continuous valve position data and manages fault diagnostics, acting as a critical spare component to minimise downtime during actuator overhauls and field repairs. (Word count: 168)


Key Functions

  • Valve Position & Torque Monitoring: The board continuously reads feedback sensors to track valve travel and output torque. It triggers stop signals when reaching open/closed limits or detecting excessive torque to avoid mechanical damage to valve and actuator gearing.
  • Local & Remote Command Processing: Decodes operator inputs from local selector switches and remote control signals sent from PLC or SCADA systems. Seamless mode switching prevents conflicting control signals that could cause unintended valve movement.
  • Integrated Fault Detection & Status Reporting: Onboard monitoring captures circuit anomalies, sensor failures and communication loss. Diagnostic status signals can be transmitted to central control rooms for real-time equipment health supervision.
  • Conformal Coating for Harsh Environments: Protective coating shields electronic components against humidity, dust and condensation. This design extends service life for actuators installed offshore, onboard vessels and within outdoor industrial facilities.