
1-18 Product Overview
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Communication A serial interface port (DPI) is provided as standard, which allows
connection to the Bulletin 20-HIM LCD human interface modules.
DPIDPI
Figure 1.14 – DPI Location
Two peripheral devices can be connected to the DPI.
The maximum output current through the DPI is 280 mA.
Programming Setup is easy with the built-in keypad and three-line, sixteen-character
backlit LCD. Parameters are organized in a three-level menu structure,
using a text format for straightforward programming.
Port 5 – DPI Communications
Port 2
Ports 2 and 3 when two HIMs
are connected with a splitter
Port 5 – DPI Communications
Port 2
Ports 2 and 3 when two HIMs
are connected with a splitter
Figure 1.15 – Built-in Keypad and LCD
A T T E N T I O NA T T E N T I O N
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