The Honeywell DPCB21010002 is a printed circuit board (PCB) identified as IRTP-161, Revision A. This board is designed for use in Honeywell’s industrial control and automation systems, including PLCs, process controllers, and safety systems. It likely serves as a communication, I/O, or processor interface module within a larger rack-based system. The board features high-quality FR4 substrate, conformal coating for environmental protection, and precision edge connectors for reliable backplane connection. Original Honeywell spare parts such as this are used for maintenance, repair, and upgrade of legacy or current Honeywell control equipment in industries like oil & gas, chemical processing, and power generation.
The DPCB21010002 is a multi-layer PCB with dimensions approximately 250 mm × 150 mm. It includes a 96-pin DIN 41612 edge connector for connection to a backplane. The board contains a mix of surface-mount and through-hole components, including custom ASICs, logic controllers, memory chips (SRAM/Flash), and power regulation circuits. The revision “A” indicates the initial design release. The board operates on 5V and 24V DC derived from the backplane. It is conformally coated to resist dust, humidity, and chemical vapors. Operating temperature: 0°C to 60°C. Storage: -40°C to 85°C. The board is designed for installation in a controlled environment (IP20).
Genuine Honeywell spare part DPCB21010002
IRTP-161, Revision A
Multi-layer PCB with conformal coating
96-pin DIN 41612 backplane connector
Compatible with Honeywell control racks
Industrial temperature range
Designed for high reliability in continuous operation
Lead-free and RoHS compliant
This PCB is typically used in Honeywell’s TDC 3000, Experion PKS, or other distributed control systems. It may function as an I/O processor, a communication card (e.g., for serial or fieldbus), or a power distribution board. The IRTP-161 designation might correspond to an I/O rack termination panel or a specific interface board. To determine its exact role, refer to the original equipment manual or the system’s hardware configuration guide. The board is interchangeable with the original part and should be installed by qualified personnel.
Before installation, power down the control system rack. Remove the existing board by unlatching the locking clips and pulling it straight out. Insert the DPCB21010002 into the appropriate slot, aligning it with the card guides. Press firmly until the edge connector seats and the locking clips engage. Reconnect any front panel cables (if applicable). Power up the system and check for diagnostic LEDs; the board should be recognized automatically. No software configuration is typically needed for a like-for-like replacement.

Observe ESD precautions when handling the board: use a grounded wrist strap and antistatic bag. Do not clean the board with solvents; use compressed air to remove dust. The board has no user-serviceable parts. If the board fails, replace it with an identical spare. Store spare boards in an anti-static bag in a cool, dry location.
The DPCB21010002 is RoHS compliant and meets Honeywell’s internal quality standards for industrial use. Operating temperature: 0-60°C. Humidity: 10-90% non-condensing. The board is designed for installation in a pollution degree 2 enclosure.
The Honeywell DPCB21010002 IRTP-161 PCB is a genuine replacement part for Honeywell industrial control systems. Its robust construction and conformal coating make it suitable for demanding environments. Verify compatibility with your system before ordering.



