Hach-Lange SC 200 Profibus network card User Manual User Manual
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D A N G E R
Electrocution Hazard. High voltage wiring for the controller is conducted behind the
high voltage barrier in the controller enclosure. The barrier must remain in place
except when installing modules, or when a qualified installation technician is wiring
for power, relays or analog and network cards.
N O T I C E
Potential Instrument Damage. Delicate internal electronic components
can be damaged by static electricity, resulting in degraded performance
or eventual failure.
The Profibus network card supports RS485 communication. Terminal
block J1 provides the user connection to the Profibus network card. For
more wiring details, refer to
Installation Profibus
and to the following steps
to install the Profibus network card.
Table 1 Profibus wiring with RS485
Connector Connector
block pin
number
Signal
Cable
color
Description
J1
1
A1 (Input)
green
Input from the
network card
2
B1 (Input)
red
Input from the
network card
3
OV
—
—
4
5V
—
—
5
A2 (Output) green
Output from the
network card
6
B2 (Output) red
Output from the
network card
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