33-10 9440300990
Contact Expansion Module DECS-250
Communications
BESTCOMSPlus
®
Navigation Path: Settings, Communications, CAN bus, Remote Module Setup
HMI Navigation Path: Settings, Communication, CAN bus, Remote Module Setup, Contact Expansion
Module
The contact expansion module must be enabled with the correct J1939 address. A Control Area Network
(CAN) is a standard interface that enables communication between the CEM-2020 and the DECS-250.
The Remote Module Setup screen is illustrated in Figure 33-7.
Figure 33-7. Remote Module Setup
Functional Description
Contact Inputs
BESTCOMSPlus Navigation Path: Settings, Programmable Inputs, Remote Contact Inputs
HMI Navigation Path: Settings, Programmable Inputs, Remote Contact Inputs
The CEM-2020 provides 10 programmable contact inputs with the same functionality as the contact
inputs on the DECS-250. The label text of each contact input is customizable and accepts an
alphanumeric character string with a maximum of 64 characters.
The remote contact inputs are incorporated into a BESTlogicPlus programmable logic scheme by
selecting them from the I/O group in BESTlogicPlus. For more details, refer to the BESTlogicPlus chapter.
BESTCOMSPlus settings for remote contact inputs are illustrated in Figure 33-8.
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