Emerson Micro Motion 1000 Series Configuration And Use Manual page 34

Connecting with ProLink II or Pocket ProLink Software
Figure 3-7 RS-485 terminal connections to Model 1500 or 2500
PC
25-pin to 9-pin serial port
adapter (if necessary)
Figure 3-8 RS-485 network connections to Model 1500 or 2500
PC
25-pin to 9-pin serial port
adapter (if necessary)
24
RS-485/B
RS-485/A
RS-485 to RS-232
signal converter
DCS or PLC
RS-485 to RS-232 Add resistance if necessary
signal converter (see Step 4)
RS-485/B
RS-485/A
Micro Motion Series 1000 and Series 2000 Transmitters