ABB REL 551-C1*2.5 - Local LCD Human Machine Interface (LCD-HMI); Application; Design

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Local LCD human machine interface
(LCD-HMI)
Chapter 10
Hardware modules
7 Local LCD human machine interface (LCD-HMI)
7.1 Application
The human machine interface is used to monitor and in certain aspects affect the way the product
operates. The configuration designer can add functions for alerting in case of important events
that needs special attention from you as an operator.
Use the terminals built-in communication functionality to establish SMS communication with a
PC with suitable software tool. Connect the PC to the optical connector on the local HMI with
the special front communication cable including an opto-electrical converter for disturbance free
and safe communication.
7.2 Design
Figure 36: The LCD-HMI module
1. Status indication LEDs
2. LCD display
3. Cancel and Enter buttons
4. Navigation buttons
5. Optical connector
E
C
Ready
REx5xx Ver x.x
C=Quit
E=Enter menu
Start Trip
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3
1
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