Honeywell BPHM64 HART Backplane Module

Overview

The BPHM64 is a high-performance HART backplane module developed by Honeywell (MTL Instruments). It enables seamless communication between HART-compatible field devices and control systems. The module is ideal for industrial automation, HVAC, and process control applications. It supports RS-485 and DIN41651 ribbon cable interfaces and is compatible with MTL4841 and MTL4842 modules for scalable system integration.

Technical Specifications

• Model Number: BPHM64

• Communication Protocol: HART (supports HART 7.0)

• Power Supply Voltage: 12–48 VDC

• Current Consumption: ≤10 mA

• Operating Temperature: –40°C to +85°C

• Dimensions: 100 × 80 × 30 mm

• Weight: 0.3 kg

• I/O Channels: Up to 24 inputs/outputs

• Interface: RS-485, DIN41651 20-way ribbon cables

• Mounting Type: Panel or custom backplane

• Module Capacity:

• 1 × MTL4841 communication module

• 4 × MTL4842 HART interface modules

• Power Requirement (Maximum): 1.35 W (with 1 MTL4841 and 4 MTL4842 modules installed)

• Input Interfaces: HART interface connectors

• Cables:

• 4 × DIN41651 20-way ribbon cables

• Each cable supports 16 HART signal connections and 4 common returns

• Connections via screw terminal interface or custom backplane