Electro Cam PS-6144 Series - Manual (Page 23)

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!