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SECTION 11
• AEM-2020 (ANALOG EXPANSION
MODULE)
TABLE OF CONTENTS
• AEM-2020 (ANALOG EXPANSION MODULE) .............................................................. 11-1
General Information ............................................................................................................................. 11-1
Features ............................................................................................................................................... 11-1
Specifications ....................................................................................................................................... 11-1
Operating Power .............................................................................................................................. 11-1
Analog Inputs ................................................................................................................................... 11-1
Burden .......................................................................................................................................... 11-1
RTD Inputs ....................................................................................................................................... 11-1
Thermocouple Inputs ........................................................................................................................ 11-1
Analog Outputs ................................................................................................................................. 11-1
Communication Interface ................................................................................................................. 11-2
CAN Bus ....................................................................................................................................... 11-2
Type Tests ........................................................................................................................................ 11-2
Shock ............................................................................................................................................ 11-2
Vibration ........................................................................................................................................ 11-2
Ignition System ............................................................................................................................. 11-2
HALT (Highly Accelerated Life Testing) ....................................................................................... 11-2
Environment ..................................................................................................................................... 11-2
UL Approval ...................................................................................................................................... 11-2
CSA Certification .............................................................................................................................. 11-2
NFPA Compliance ............................................................................................................................ 11-2
CE Compliance ................................................................................................................................ 11-2
Physical ............................................................................................................................................ 11-3
Functional Description ......................................................................................................................... 11-3
Analog Inputs ................................................................................................................................... 11-3
RTD Inputs ....................................................................................................................................... 11-3
Thermocouple Inputs ........................................................................................................................ 11-3
Analog Outputs ................................................................................................................................. 11-3
Communications ............................................................................................................................... 11-3
CAN Bus ....................................................................................................................................... 11-3
BESTCOMSPlus
® Software ................................................................................................................. 11-3
Installation ............................................................................................................................................ 11-3
Mounting ........................................................................................................................................... 11-4
Connections...................................................................................................................................... 11-4
Terminations ................................................................................................................................. 11-4
Operating Power ........................................................................................................................... 11-5
AEM-2020 Inputs and Outputs ..................................................................................................... 11-6
External Analog Input Connections .............................................................................................. 11-7
External RTD Input Connections .................................................................................................. 11-8
CAN Bus Interface ........................................................................................................................ 11-8
Maintenance ......................................................................................................................................... 11-9
Figures
Figure 11-1. AEM-2020 Overall Dimensions ........................................................................................... 11-4
Figure 11-2. Input and Output Terminals ................................................................................................ 11-6
Figure 11-3. Analog Inputs - Voltage Input Connections ........................................................................ 11-7
Figure 11-4. Analog Inputs - Current Input Connections ......................................................................... 11-7
Figure 11-5. External Two-Wire RTD Input Connections ........................................................................ 11-8
Figure 11-6. External Three-Wire RTD Input Connections ..................................................................... 11-8
Figure 11-7. CAN Bus Interface with AEM-2020 providing One End of the Bus .................................... 11-9
Figure 11-8. CAN Bus Interface with DGC-2020 providing One End of the Bus .................................... 11-9
9400200990 Rev X
DGC-2020 AEM-2020 (Analog Expansion Module)
i
