Basler-electric DECS-250N User Manual Page 335

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9440500990 Rev D 319
DECS-250N Analog Expansion Module
Analog Expansion Module
General Information
The optional AEM-2020 is a remote auxiliary device that provides additional DECS-250N analog inputs
and outputs.
Features
The AEM-2020 has the following features:
Eight Analog Inputs
Eight RTD Inputs
Two Thermocouple Inputs
Four Analog Outputs
Functionality of Inputs and Outputs assigned by BESTlogic™Plus programmable logic
Communications via CAN Bus
Specifications
Operating Power
Nominal ...................................... 12 or 24 Vdc
Range ......................................... 8 to 32 Vdc (Withstands ride-through down to 6 Vdc for 500 ms.)
Maximum Consumption ............. 5.1 W
Analog Inputs
The AEM-2020 contains eight programmable analog inputs.
Rating ......................................... 4 to 20 mA or 0 to 10 Vdc (user-selectable)
Burden
4 to 20 mA ........................... 470 maximum
0 to 10 Vdc ........................... 9.65k minimum
RTD Inputs
The AEM-2020 contains eight programmable RTD inputs.
Rating ......................................... 100 Platinum or 10 Copper (user-selectable)
Setting Range ............................ 50 to +250°C or 58 to +482°F
Accuracy (10 Copper) ............. ±0.044 @ 25°C, ±0.005 /°C drift over ambient temperature
Accuracy (100 Platinum) ......... ±0.39 @ 25°C, ±0.047/°C drift over ambient temperature
Thermocouple Inputs
The AEM-2020 contains two thermocouple inputs.
Rating ......................................... 2 K Type Thermocouples
Setting Range ............................ 0 to 1,375°C or 0 to 2,507°F
Display Range ............................ Ambient to 1,375°C or Ambient to 2,507°F
Accuracy..................................... ±40uV @ 25°C, ±5 uV/°C drift over ambient temperature
Analog Outputs
The AEM-2020 contains four programmable analog outputs.
Rating ......................................... 4 to 20 mA or 0 to 10 Vdc (user-selectable)
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