Eight Screw Terminals; Screw Terminal (8) Connectors - Comtrol DeviceMaster MOD Series Hardware Installation And Configuration Manual

Eight Screw Terminals

Screw Terminal (8)
Connectors
DeviceMaster MOD | UP Hardware Installation and Configuration Guide: 2000630 Rev. B
This subsection discusses the following topics for the DeviceMaster with 8 serial
screw terminals.
•

Screw Terminal (8) Connectors

• Screw Terminal (8) Null-Modem Cables (RS-232)
• Screw Terminal (8) Null-Modem Cables (RS-422)
• Screw Terminal (8) Straight-Through Cables (RS-232/485)
• Screw Terminal (8) Loopback Signals
• Connecting Serial Devices
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 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.
on Page 55
on Page 57
on Page 57
RS-422
RS-485 Full-Duplex
TxD- RxD-
TxD+
RS-232: Connecting the Ground
Signal
Ground†
† Wire gauge: AWG 12-22
DSR RI DTR TxD
N/A N/A TxD-
N/A N/A TRxD-
Connecting Serial Devices
on Page 56
on Page 56
on Page 56
RS-485 Half-Duplex
TRxD-
TRxD+
RxD+
6-30VDC
Chassis
Ground†
Return†
RTS RxD CTS
TxD+ RxD- RxD+
TRxD+ N/A
Connecting Serial Devices - 55
Positive†
N/A