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3
Equipment in the I/O Unit cabinet
Figure 3-1
above. The large type of
I/O Unit.
Figure 3-2
right. The I/O Terminal
Analog Input.
G3 MaC Second edition, March 2000
3.1
I/O Terminal Analog Input -
description
5
4
3
2
1
1
Fuse
2
LED, power
3
Connector (Power and Communication)
4
LED, ground Failure
5
LED, communication
6
Address Switches
7
Jumpers (channel settings)
8
Channel Switches (connected/disconnected)
9
Cable terminal
LED´s
Power (green)
GND Failure (red)
COM (yellow)
Fuses
The terminal has one 500 mA fuse.
3 Equipment in the I/O Unit cabinet
6
7
The lit LED indicates that the terminal has
power.
The lit LED indicates a ground failure
The LED is lit every time the terminal is
communicating with the WS and indicates
that the communication is working.
9
8
9
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