ABB 500 Series, Builder'S Manual

Page: 48 / 134

42
Connectors on the terminal
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There are communication ports on the front and rear sides of the terminal. On the front
of the terminal on the HMI module, an optical/electrical connector to the PC COM-port
is available,
see figure 25.
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A special front connection cable, opto/9 pole D-sub, see figure 26 , is to be used to con-
nect a PC COM-port to the optical contact on the left side of HMI. The cable includes
an optical contact, an opto/electrical converter and a shielded electrical cable with a
standard 9-pole D-sub contact. This cable ensures a disturbance free and safe commu-
nication with the relay terminal.
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Push buttons
green yellow red
LEDs
Liquid Crystal Display
four rows
16 characters/row
Optical connector
for local PC