Series HMI Connection Manual Delta Controller ASCII/RTU HMI Factory Setting: Baud rate: 9600, 7, None, 2 (ASCII); 9600, 8, None, 2 (RTU) Controller Station Number: 1 Control Area / Status Area: None/None Connection Delta Servo a. RS-232 (DOP-A/AE/AS, DOP-B Series) DOP series Controller CN3 cable connector (RS-232) 9 pin D-sub male (RS-232) RXD (2) (2) TX TXD (3) (4) RX GND (5) (1) GND b. RS-422 (DOP-A/AE Series) 9 pin D-sub male (RS-422) DOP series CN3 cable connector (RS-422) Controller RXD- (1) (6) TX- RXD+ (2) (5) TX+ TXD+ (3) (3) RX+ TXD- (4) (4) RX- V1.01 Revision May, 2011 23