Satec PM172EH series User Manual

64 Chapter 7 Communications
Computer Connections COM2 - RS-422/RS-485
R1, R2
≅
200-500 Ohm,
0.5 W
Figure 7-9 RS-422 Multidrop
Connection, 25-Pin PC Port
R1, R2
≅
200-500 Ohm,
0.5 W
Figure 77-10 RS-422 Multidrop
Connection, 9-Pin PC Port
R1, R2
≅
200-500 Ohm,
0.5 W
Figure 77-11 RS-485 Multidrop
Connection, 25-Pin PC Port
c98-10007/4
R1, R2
≅
200-500 Ohm,
0.5 W
Figure 77-12 RS-485 Multidrop
Connection, 9-Pin PC Port
NOTE: Where an RS-232/RS-422 converter is used, R1 is not applicable
since it is built in to the converter.

Satec PM172EH series Specifications

General

Brand	Satec
Model	PM172EH series
Category	Measuring Instruments
Language	English