Basler Electric DGC-2020HD - Manual (Page 313)

9469300990 Rev B 303
DGC-2020HD AEM-2020
AEM-2020
The AEM-2020 (Analog Expansion Module) is an optional remote device that provides additional DGC-
2020HD analog inputs and outputs. Up to four AEM-2020s may be used with one DGC-2020HD.
Features
AEM-2020s have the following features:

8 Analog Inputs

8 RTD Inputs

2 Thermocouple Inputs

4 Analog Outputs

Functionality of Inputs and Outputs assigned by BESTlogic ™Plus programmable logic

Communications via control area network (CAN)
Specifications
Operating Power
Nominal .................................................. 12 or 24 Vdc
Range ..................................................... 8 to 32 Vdc (Withstands cranking 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 mAdc or 0 to 10 Vdc (user-selectable)
Burden
4 to 20 mA ............................................... 470 Ω maximum
±10 Vdc ................................................... 9.65k Ω minimum
RTD Inputs
The AEM-2020 contains eight programmable RTD inputs.
Rating ...................................................... 100 Ω Platinum or 10 Ω Copper (user-selectable)
Setting Range ......................................... –50 to +250°C or –58 to +482°F
Accuracy (10 Ω Copper) .......................... ±0.044 Ω @ 25°C, ±0.005 Ω/°C drift over ambient temperature
Accuracy (100 Ω Platinum) ...................... ±0.39 Ω @ 25°C, ±0.047Ω/°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.................................................. ±40 uV @ 25°C, ±5 uV/

C drift over ambient temperature
Analog Outputs
The AEM-2020 contains four programmable analog outputs.
Rating ...................................................... 4 to 20 mAdc or 0 to 10 Vdc (user-selectable)
CAN Interface
Differential Bus Voltage ........................... 1.5 to 3 Vdc