Description

HIMA Z7306F Shunt‑Adapter (250Ω HART Resistor Adapter)

Technical Specifications

• Product Model: Z7306F
• Brand: HIMA (HIMatrix Safety PLC Series)
• Warranty: One Year
• Input Voltage: Max 24 VDC signal‑circuit voltage
• Operating Temperature: ‑20 °C ~ +60 °C rack‑mount
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Passive component, no signal processing delay
• Protection Class: IP20, cabinet‑only indoor installation
• Resistor Value: 250 Ω precision shunt resistor; tolerance ±0.1 %, temperature coefficient 25 ppm/°C
• Rated Power: Max 0.4 W per channel; maximum input current 40 mA
• Built‑in Feature: Integrated over‑voltage protection; conformal coated PCB for harsh industrial atmosphere
• Function: HART‑compliant shunt adapter for 4‑20 mA analog‑input channels
• Compatibility: HIMatrix F35 controller, F3 AIO 8/4‑01 remote analog I/O module
• Mounting: Direct plug‑in onto analog‑input module front connector
• Dimensions / Weight: 75 mm × 30 mm × 22 mm; approx 0.08 kg
• 

Product Overview

The Z7306F is a plug‑in passive shunt adapter for HIMA HIMatrix safety‑related analog‑input modules. It integrates precision 250 Ω resistors to meet the physical‑layer requirement for HART communication on 4‑20 mA field instrument loops. It enables HART bi‑directional digital communication between HIMA safety‑system analog‑input channels and smart HART transmitters without modifying host controller firmware. Built‑in over‑voltage protection safeguards module circuits against field‑side transient surges. Conformal‑coated circuit board improves resistance to humidity and corrosive gas in power‑plant, petrochemical and chemical‑process heavy‑EMI cabinet environments. This adapter is a dedicated accessory for building HART‑capable SIS analog‑measurement loops based on HIMatrix platform.

This shunt‑adapter addresses smart‑instrument safety‑loop challenges: factory‑calibrated 250 Ω HART load resistor, direct plug‑and‑play installation, integrated over‑voltage protection, drop‑in spare‑part compatibility for legacy HIMatrix‑series retrofit‑maintenance projects. Process‑safety and instrumentation engineers, petrochemical‑plant maintenance technicians and retrofit integrators benefit most. Typical applications: SIS ESD safety‑system analog‑input loops, refinery / chemical‑plant HART‑transmitter signal interconnection, HIMatrix remote‑I/O cabinet retrofitting.