Runco Q-750D 17. RS-232Control System Connection, to Automation/ Control System or PC

Installation

RS-232 Controller	➤	Use a straight-through, 9-pin RS-232 cable to connect a PC or control/automation
Connection		system (if present) to the RS-232 port on the DHD Controller; see Figure 3-17.
		For more information about using this connection, refer to External Control on page 73.

to Automation/ Control System or PC

5 4 3 2 1

9 8 7 6

2 Receive Data

3 Transmit Data

5 Ground

(none of the other pins are used)

Figure 3-17. RS-232 Control System Connection

36 Q-750d Series Installation/Operation Manual