Campbell Scientific MD485 RS-485 Multidrop Interface - Manual (Page 26)

Appendix A. Phone to MD485 Network
FIGURE A-2. LoggerNet Phone to MD485 MD9 Emulation Setup
MD485 Configuration
a. Base MD485
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “MD9 Emulation” with address 255
3) CS I/O Port Configuration – “Modem to Modem w/o
Datalogger”
4) RS-485 Port Configuration – Desired baud rate
b. Remote MD485s
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “MD9 Emulation” with address 1, 2,
etc. (unique for each remote MD485 and must agree with
respective MD9 in device map)
3) CS I/O Port Configuration – Modem Enable
4) RS-485 Port Configuration – Desired baud rate
4. HARDWARE
After configuring LoggerNet or PC208W and the MD485s you are ready
to set up hardware. The A100 null modem connectors (it’s not important
which connector goes to which unit) connect via SC12 cables to the
A-4