Yokogawa UM33A-020-11 Digital Indicator with Alarms

Overview

The Yokogawa UM33A-020-11 is a digital indicator designed for industrial process control and monitoring. It features a 14-segment large color LCD display that shows up to 5 digits. The device allows for parameter adjustments through programmable function keys and provides up to 9 alarm outputs. It includes various input correction functions such as PV bias, polygonal line approximation, and polygonal line bias. The UM33A-020-11 is compact and offers multiple communication protocols, making it versatile for various industrial applications.

Technical Specifications

• Input Signals:

  • Supports various analog and digital inputs, including:
    • Thermocouple (TC)
    • Resistance Temperature Detector (RTD)
    • Millivolt (mV)
    • Volt (V)
    • Milliampere (mA)

• Output Signals:

  • Relay outputs for alarms and control functions.

• Display:

  • 14-segment, 5-digit LCD display for clear, visible readings.

• Digital Inputs:

  • Two inputs for resetting PV peak and bottom values.

• Digital Outputs:

  • 3 standard outputs.
  • Up to 9 maximum outputs for functions like PV High, PV Low, and Dev High.

• Communication:

  • RS-485 with Modbus/RTU, peer-to-peer, coordinated, PC-Link, and CC-Link protocols.

• Power Supply:

  • 100 to 240 VAC (+10%, -15%) or 24 VAC/DC (+10%, -15%) (optional).

• Power Consumption:

  • Maximum 15 VA.