Winco DGC-2020 - Manual (Page 245)

9400200990 Rev K DGC-2020 AEM-2020 (Analog Expansion Module) 10-1
SECTION 10
 AEM-2020 (ANALOG EXPANSION
MODULE)
GENERAL INFORMATION
The optional AEM-2020 is a remote auxiliary device that provides additional DGC-2020 analog inputs and
outputs.
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+ programmable logic
 Communications via CANbus
SPECIFICATIONS
Operating Power
Nominal: 12 or 24 Vdc
Range: 8 to 32 Vdc (Withstands cranking ride-through down to 6 Vdc
for 500 ms.)
Analog Inputs
The AEM-2020 contains eight programmable analog inputs.
Rating: 4 to 20 mA or 0 to 10 Vdc (user-selectable)
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)
Communication Interface
CANbus
Differential Bus Voltage: 1.5 to 3 Vdc
Maximum Voltage: –32 to +32 Vdc with respect to negative battery terminal
Communication Rate: 250 kb/s