Communications Installation - Overview
Revision 6
HC900 Process & Safety Controller User and Installation Manual
127
21 April 2017
Communications Installation
Overview
This section contains descriptions, procedures and recommendations for installing communications systems
and components.
Wiring and cabling
Table 16
– Connect Communications Wiring and Cabling
Step
Procedure
Comments/Reference
1
Determine requirements
for communications links.
See:
Ethernet
Devices/Considerations
on page 33
For legacy system,
serial Ports (RS-232
and RS-485) on page
42. For new system,
two RS-485 serial ports
on page 42
Cabling/Wiring Distance
Planning on page 54.
2
Refer to the diagram at
right, and to Table 17
Links to Controller
Communication Ports for
connection details.
All ports are shown.
(Availability depends on
controller model, see
Figure 12 page 29.)
Connect communications
cabling.
For Modbus connections,
see page 152.
Communication Ports (all ports shown)
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