DL205 Analog Manual, 7th Edition Rev. D
8-5
Chapter 8: F2-02DA-1, F2-02DA-1L, 2-Channel Analog Current Output
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Connecting and Disconnecting the Field Wiring
Wiring Guidelines
Your company may have guidelines for wiring and cable installation. If so, check the guidelines
before beginning the installation. Here are some general things to consider:
• Use the shortest wiring route whenever possible.
• Use shielded wiring and ground the shield at the transmitter source. Do not ground the shield at
both the module and the source.
• Do not run the signal wiring next to large motors, high current switches, or transformers. This
may cause noise problems.
• Route the wiring through an approved cable housing to minimize the risk of accidental damage.
Check local and national codes to choose the correct method for your application.
User Power Supply Requirements
The F2-02DA-1 (L) requires an external power supply. The same or separate power sources
may be used for the module supply and loop supply. The module requires 18–30 VDC, at
60mA. The two current loops also require 18–30 VDC, but at 20mA each.
The DL205 bases have internal 24VDC power supplies that provide up to 300mA of current.
This power source could be used instead of a separate power supply if only a few of analog
modules are being used. The current required will be 60mA (module) plus 40mA (two current
loops) for a total of 100mA.
It is desirable in some situations to power the transmitters separately in a location remote
from the PLC. This will work as long as the transmitter supply meets the voltage and current
requirements and the transmitter’s minus (-) side and the module supply’s minus (-) side are
connected together.
WARNING: If the internal 24VDC power budget is exceeded, it may cause unpredictable system operation
that can lead to a risk of personal injury or equipment damage.
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