3M Dynapro ET 3170 Terminal Series B, Руководство по установке

Страница: 123 / 125

3M Touch Systems Proprietary Information
8
3M Dynapro ET 3170 Terminal Service Guide
Connector pin-outs and cable diagrams
The following illustrations show the suggested connector pin-outs and cable
diagrams for RS-422 and RS-485 communications.
Your host system may have a different pin-out than presented in the drawing.
Refer to the documentation of the host for the correct pin-out.
RS-422 communications
For reliable operation, termination resistors should be installed on both sets of
lines. For more information, see “Setting jumpers on the I/O filter board” on
page 6.
Figure 5: RS-422 cable: Connector pin-out and cable diagram
RS-485 communications
Termination resistors should be installed on both sets of lines for reliable
operation. For more information, see “Setting jumpers on the I/O filter board” on
page 6.
Figure 6: RS-485 cable: Connector pin-out and cable diagram