Connecting rs-232 devices, Connecting 1771-db basic module – Rockwell Automation 2706 DL20 SERIES G USER MANUAL User Manual
Page 117
Chapter 9
Installation and Maintenance
9–6
Connecting 1775-GA Peripheral Communications Module
Figure 9.4 shows how to connect an Allen-Bradley Peripheral
Communications Module (Catalog No. 1775-GA).
Figure 9.4
Connecting Allen-Bradley 1775-GA Module
DL20 RS-232 Port
SHIELD (frame ground)
RXD
TXD
SIGNAL GND
RS-232 IN (CLEAR)
RS-232 OUT (RED)
GROUND (BLACK)
1
2
3
7
1775-GA
RS-232C Primary Channel DCE
The wire colors refer to the Allen-Bradley 2706-NC1 and -NC2 cables.
7
6
8
Connecting 1771-DB Basic Module
Figure 9.5 shows how to connect an Allen-Bradley BASIC Module (Catalog
No. 1771-DB.
Figure 9.5
Connecting Allen-Bradley 1771-DB Basic Module
TXD
RXD
SG
1
2
3
7
1771-DB
Peripheral Port (DTE)
The wire colors refer to the Allen-Bradley 2706-NC1 and -NC2 cables.
7
6
8
RTS
4
CTS
5
DSR
6
DTR
20
DL20 RS-232 Port
RS-232 IN (CLEAR)
RS-232 OUT (RED)
GROUND (BLACK)
Connecting RS-232
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