8810-HI-TX

Overview

The Eaton MTL 8810-HI-TX is a 4–20 mA Analog Input Module with HART support. It provides high‑accuracy signal acquisition, configurable alarms, and hazardous area compliance for industrial automation and process control systems.

Lifecycle

• Status: Active

Input Specifications

• Channels: 8, single‑ended

• Nominal Signal Range: 4–20 mA

• Full Signal Range: 0.25–24 mA

• Line Fault Detection: Short circuit > 23.5 mA, Open circuit < 0.5 mA

• Accuracy (25 °C): ±0.1 % of span

• Temperature Coefficient: 38 ppm/°C

• Resolution: 16 bits

• Repeatability: 0.05 % of span

• Data Format: 16‑bit unsigned (0–25 mA = 0–65,535)

• HART Data Format: IEEE754 floating point

Output Characteristics

• Voltage (@ 20 mA): ≥ 10.2 V

• Current (max): 28 mA

Isolation

• Channel to Railbus: 250 V AC RMS

• Between Channels: None

Configurable Parameters

• Alarms: High, high‑high, low, low‑low

• Alarm Deadband: User defined

• Input Filter Time Constant: User defined

• Input Dead Zone: User defined

• Drive on Fault State: Disabled / upscale / downscale

• HART Variable & Status Reporting: Enable / disable

Response Time

• 4–20 mA Mode: ≤ 25 ms

• HART Mode: 0.75 s per channel

Hazardous Area Specification

• Protection Technique: EEx nA [nL] IIC T4

• Location (FM/CSA): Class 1, Div. 2, Groups A–D, T4

• FM Non‑incendive Parameters (per channel): Voc = 28.7 V, Isc = 33 mA

• Gas Groups:

  • A, B: Ca = 0.17 µF, La = 11 mH

  • C: Ca = 0.51 µF, La = 33 mH

  • D: Ca = 1.36 µF, La = 88 mH

Power Supply

• System Power: 50 mA typical, 70 mA max

• Bussed Field Power: 350 mA (2‑wire TX max.), 110 mA (4‑wire TX max.)

Physical Characteristics

• Module Key Code: A1

• Width: 42 mm

• Weight: 200 g

---