Honeywell 30731808-503 Regulator Card

Overview

The Honeywell 30731808‑503 is a precision slide-in regulator card engineered for Honeywell TDC 2000 and compatible distributed control systems. It converts the 24 V DC input from the system backplane into stable 5 V DC and 12 V DC outputs, supplying reliable power to the system chassis. Designed for industrial-grade performance, this module ensures consistent operation, fault detection, and ease of maintenance in demanding environments.

Technical Specifications

Electrical Parameters

• Input Voltage: 24 V DC (via backplane)

• Output Voltages: 5 V DC, 12 V DC

• Function: Provides regulated DC power to system chassis with minimal ripple

Mechanical & Environmental

• Form Factor: Slide-in module for quick installation

• Construction: Industrial-grade components for high durability and extended service life

• Weight: 1.51 lbs

• EMI/RFI Shielding: Integrated shielding to protect against electromagnetic and radio frequency interference

Protection & Maintenance Features

• Fuses: Two removable fuses for circuit protection

• Test Points: Integrated sockets for calibration, diagnostics, and fault detection

Applications

Ideal for use in process control, monitoring, and automation systems where reliable, stable power delivery is critical. Commonly implemented in TDC 2000 system chassis for distributed control architectures.

FAQ

Q: Can this module support other Honeywell DCS platforms?
A: Yes, the 30731808‑503 is compatible with TDC 2000 and other related Honeywell distributed control system backplanes that accept slide-in regulator cards.

Q: What protection does it offer against electrical faults?
A: The module features two removable fuses and integrated test points to detect and isolate power irregularities, ensuring safe operation.

Q: How is it different from similar Honeywell regulator cards?
A: Compared to earlier models, this card provides both 5 V and 12 V regulated outputs with enhanced EMI/RFI shielding, improving overall system stability.