Basler Electric DECS-250N - Manual (Page 353)

9440500990 Rev D 337
DECS-250N Contact Expansion Module
Contact Expansion Module
General Information
The optional CEM-2020 is a remote auxiliary device that provides additional DECS-250N contact inputs
and outputs. Two types of modules are available. A standard module (CEM-2020) provides 24 contact
outputs and a high current module (CEM-2020H) provides 18 contact outputs.
Features
CEM-2020s have the following features:
•
10 Contact Inputs
•
18 Contact Outputs (CEM-2020H) or 24 Contact Outputs (CEM-2020)
•
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
CEM-2020 ............................ 14 W
CEM-2020H ......................... 8 W
Contact Inputs
The CEM-2020 contains 10 programmable inputs that accept normally open and normally closed, dry
contacts.
Contact Outputs
Ratings
CEM-2020
Outputs 12 through 23 .. 1 Adc at 30 Vdc, Form C, gold contacts
Outputs 24 through 35 .. 4 Adc at 30 Vdc, Form C
CEM-2020H
Outputs 12 through 23 .. 2 Adc at 30 Vdc, Form C, gold contacts
Outputs 24 through 29 .. 10 Adc at 30 Vdc, Form C
Communication Interface
The CEM-2020 communicates with the DECS-250N through CAN1.
CAN bus
Differential Bus Voltage .............. 1.5 to 3 Vdc
Maximum Voltage ......................
–32 to +32 Vdc with respect to negative battery terminal
Communication Rate .................. 125 or 250 kb/s
Type Tests
Shock
Withstands 15 G in 3 perpendicular planes.