Serial Terminal (8) Signals (2E) - Comtrol DeviceMaster PRO Installation And Configuration Manual

Serial Terminal (8)
Signals (2E)
DeviceMaster Installation and Configuration Guide: 2000506 Rev. B
RS-232†
RS-422/RS-485
Full-Duplex
RS-485
Half-Duplex
† RS-232 ground must be connected to the appropriate signal ground terminal.
Use the following drawings or table for signal information. The signals for SERIAL2 are
the same as SERIAL1.
RS-232†
CD RI TxD RxD
DSR DTR RTS CTS
† RS-232 ground must be connected to the appropriate signal ground terminal.
Signal
Ground
Not connected
RS-232 CD
RS-422/RS-485
N/A N/A
Full-Duplex
RS-485 Half-
N/A N/A
Duplex
† RS-232 ground must be connected to the appropriate signal ground terminal.
TxD
TxD-
TRxD- TRxD+
RS-422
RS-485 Full-Duplex
TxD- RxD-
TxD+ RxD+
Signal
Ground†
† Wire gauge: AWG 12-22
DSR RI DTR TxD
N/A N/A TxD-
N/A N/A TRxD-

Serial Terminal (8) Signals (2E)

RTS RxD
TxD+ RxD- RxD+
RS-485 Half-Duplex
TRxD-
TRxD+
Chassis
Ground†
Return†
5-30VDC
RTS RxD
TxD+ RxD- RxD+
TRxD+ N/A
Connecting Serial Devices - 57
CTS
Positive†
CTS
N/A