Emerson EC20 Series PLC RS-232 (DOP-A/AE/AS User Manual
Emerson ec20 series plc

Series HMI Connection Manual
Emerson EC20 Series PLC
HMI Factory Setting:
Baud rate: 19200, 8, Even, 1
Controller Station Number: 1
Control Area / Status Area: D0/D10
Connection
a. RS-232 (DOP-A/AE/AS, DOP-B Series)
DOP series
Controller
9 pin D-sub male (RS-232)
RXD (2)
(3)TXD
TXD (3)
(2) RXD
GND (5)
(4)GND
b. RS-485 (DOP-A/AE Series)
40
V1.01 Revision November, 2011
DOP series
Controller
9 pin D-sub male (RS-485)
D+ (2)
(7) TX_A
D+ (3)
D- (1)
(8) RX_B
D- (4)
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