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Voltage Conversion I/O Modules: Convert TTL Levels to PLC Levels and PLC Levels to TTL Levels

Item# DR-IO-IAC-R0-280N

Voltage Conversion I/O Modules: Convert TTL Levels to PLC Levels and PLC Levels to TTL Levels Voltage Conversion I/O Modules: Convert TTL Levels to PLC Levels and PLC Levels to TTL Levels
DR-IO Series DIN rail mount input/output modules are ideal for connecting real world discrete signals to a computer interface and other electronic equipment. Most computer interfaces can only sense or generate low level TTL (0/5Vdc) signals. The DR-IO-OAC and DR-IO-ODC output modules can be used to sense high level ac and dc signals. The compact design of the DR-IO modules permit high density mounting on a standard DIN rail. The input modules are available with negative and positive logic versions. Negative logic modules produce a high logic signal when the input signal from the field goes low and a low logic signal when the field input goes high. With the positive logic modules, the logic signal follows the field signal that is, the logic signal is high when the field signal is high and low when the field signal is low.

For complete product specifications see the Related Links section at the bottom of this page.
DR-IO-IAC-R0-280N
  • Provides One or Two Isolated 4 to 20 mA Output Current Loops in Proportion to One or Two DC Inputs
  • High Density DIN Rail Mounting
  • Prevents Ground Loops
  • Plug-in Terminals
  • Standard Input Ranges
  • Output Loop Powered from 12 to 35 Vdc
Input Ranges
Input Type
Number of Inputs
Output Type
Quantity Price each
1-9 $27.00
10-24 $25.65
25-49 $25.11
50-99 $24.03
100-199 $23.49
200+ $22.95

In stock

Lead Time ( If not in Stock): 8 weeks

Product Specs

  • Accuracy Value 4 to 20 mA
  • Form Factor Standard ā€œCā€ or as Top Hat 35 mm DIN rails
  • Indicator Active DC power
  • Maximum Ambient Humidity 90% RH non-condensing
  • Maximum Ambient Temperature 55 {C} (131 {F})
  • Minimum Ambient Temperature -30 {C} (-22 {F})
    0 {C} (32 {F})
  • Maximum Storage Temperature 70 {C} (158 {F})
    100 {C} (212 {F})
  • Minimum Ambient Humidity 15% RH
  • Minimum Storage Temperature -25 {C} (-13 {F})
  • Supply Frequency 50 to 400 Hz
  • Form Factor Standard ā€œCā€ or as Top Hat 35 mm DIN rails
  • Maximum Storage Temperature 100 {C} (212 {F})
  • Maximum Ambient Temperature 70 {C} (158 {F})
  • Minimum Ambient Temperature -30 {C} (-22 {F})
  • Minimum Storage Temperature -40 {C} (-40 {F})

DR-IO Series DIN rail mount input/output modules are ideal for connecting real world discrete signals to a computer interface and other electronic equipment. Most computer interfaces can only sense or generate low level TTL (0/5Vdc) signals. The DR-IO-OAC and DR-IO-ODC output modules can be used to sense high level ac and dc signals. The compact design of the DR-IO modules permit high density mounting on a standard DIN rail. The input modules are available with negative and positive logic versions. Negative logic modules produce a high logic signal when the input signal from the field goes low and a low logic signal when the field input goes high. With the positive logic modules, the logic signal follows the field signal that is, the logic signal is high when the field signal is high and low when the field signal is low.

For complete product specifications see the Related Links section at the bottom of this page.

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