2-15 Installation & Wiring
Communications Wiring
DB-9F Port
Serial communication to a PLC or other system host is provided through a DB-9 female
connector as shown in Figures 5 & 6. This connector can be wired for RS-232 or RS-485
communications.
RS-485
RS-485 can be used for “multi-drop” networks where more than one controller could be
connected to the system host.
RS-232
RS-232 can connect only a single PS-6144 to a system host.
RS-232/485 Selection
Use the COMMUNICATIONS function to select RS-232 or RS-485 communications.
Figure 15—Communications Wiring
DB-9 Female Connector on Controller
(See Figures 5 & 6 for Location)
RS-232 Cable Wiring
DB-25 (Host) to DB-9F (PS-6144)*
RS-232 Cable Wiring
DB-9 (Host) to DB-9F (PS-6144)*
*Pins 1, 4, 6, 7 and 8 must NOT be connected.
Damage may result from using an off-the-shelf
RS-232 communications cable.
Be sure to follow illustrations, as they are NOT
STANDARD configurations!
Summary of Contents for Plus PS-6144 Series
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