Revision 10 ControlEdge HC900 Process & Safety Controller User and Installation Manual 143
May 2019
Table 20 – Parts needed to make RS-485 Cable
Belden #9271 (or equivalent),
with 120 ohm resistors (2,000
feet Maximum)
Or
Belden #9182 (or equivalent),
with 150 ohm resistors (4, 000
feet maximum)
Commercially available communication
cable
10-terminal connector (Supplied with the
operator interface)
Phoenix #1840379 (or
equivalent) for C30/C50
Phoenix 1803581 for C75.
Connector (3-pin) (Supplied with the
controller CPU module)
Ferrite cable clamps (Supplied with the
operator interface)
7.4. Connecting the ControlEdge HC900 Controller to a PC with
the Designer Software
To establish communications between the ControlEdge HC900 controller and the Process Control (HC)
Designer configuration software use any of the following methods.
A. Direct Serial RS-232 connection. See page 142. Direct with RS-485 and RS-485 to USB
converter with supplied instructions.
B. Modem connection. See page 144.
C. Direct Ethernet connection. See page 157.
D. Networked Ethernet connection. See page 158.
These methods are described below.
ATTENTION:
Always observe the wiring/cabling guidelines on page 58.