AMM42T

Product Overview

AMM42T is a 2-wire transmitter input multiplexer module from Yokogawa, designed for analog signal acquisition in process control systems.

Input Specifications

• Input Signal: 4 to 20 mA DC

• Input Resistance: 250 Ω (changeable to 70 Ω when connected to barrier)

• Accuracy Rating: ±16 pA

• Effect of Ambient Temperature Change: ±32 μA per 10°C

Transmitter Power Supply

• Voltage Range: 23.5 to 24.5 V DC

• Output Power Limit: 60 mA or less

• Allowable Input Voltage: 40 mA or less

Electrical Characteristics

• Current Consumption: 4 A or less (5.0 V DC)

• Signal Insulation: None between system, field, and channels

• Data Update Period: 1 second

Installation & Wiring

• Installation Method: Install in the I/O module nest

• Wiring: Connect to terminal of I/O module nest using M4 screw

---