Ediseja 21 CMU 200 User Manual download pdf (Page 5)

CMU100 SYSTEM

Description

Communication unit (CMU100) is modular system of communication devices that can be used

for various of tasks such as:



communication converter (for example RS232 to RS485)



star coupler (for example 1 fiber optic to 7 fiber optics)



repeater (for example RS485/485)



communication isolator (for example for communication between two devices on

different voltage levels)



communication listener - debugger



PC serial com port extender (for example USB to 4 serial com)

CMU100 device is a couple of software and hardware. For different purposes, different software

versions and different hardware configuration have been developed.

Software

Software is application dependent and allows different hardware configurations. Software's task

is switching between communication ports and allows almost any combination between them.

Hardware

Hardware is based on main board with power supply and port switching logic. On that board,

interface boards are attached. CMU100 can handle up to 8 different interface boards. Currently

available interface boards:



(non)isolated RS232



isolated RS485



Multimode Fiber Optic ST and SMA connectors



USB



ethernet (with one virtual com port)



power supply supervision with digital output

There is possibility to use additional redundancy power supply.

Housing is aluminium and intended for mount on standard DIN 35 rail (acc. to DIN EN 50022). 4

different housings have been made. Depends on how many interfaces device has, appropriate

housing is used.

Hardware settings

All settings on the device can be made from outside by a DIL switch. It is not necessary to open

the housing.

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Ediseja 21 CMU 200 User Manual Page 5

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