Overview

The Analog Current Output Module (HE693DAC420) features four analog output channels, offering 14-bit resolution and 1500VAC (RMS) isolation between channels and to ground. This module converts digital values (0 to +32,000) from the %AQ registers into analog current signals, with these values set by the PLC CPU's ladder logic program. Users can configure each channel to either "default to 4/0mA" or "hold last state" when the PLC exits RUN mode. The output mode for each channel can be adjusted to either 4-20mA or 0-20mA through configuration parameters in the configuration software or via a Hand-Held Programmer. A 24VDC loop power supply is required, provided by the user.

Specifications

• Power Consumption:

  • 90 mA @ 5 VDC
  • 120 mA @ 24 VDC

• Current Surge on Power-up:

  • 250 mA for 10 ms @ 5 VDC
  • 900 mA for 30 ms @ 24 VDC

• Number of Channels: 4

• Output Range:

  • 4-20 mA or 0-20 mA

• D/A Resolution: 13 bits plus sign

• Maximum Linearity Error:

  • 0.10% for 4-20 mA
  • 0.15% for 0-20 mA

• Resolution:

  • 2.0 µA (4-20 mA mode)
  • 2.5 µA (+/- 20 mA mode)

• User-Supplied Loop Voltage: 3-32 VDC

• Load Impedance: ≤ 1.1 kΩ @ 24 V loop voltage

• Common Mode Isolation: 1500 VAC (RMS), +/- 2000 VDC

• Operating Temperature: 0 to 60 °C

• Relative Humidity: 5% to 95%, non-condensing