Campbell Scientific MD485 RS-485 Multidrop Interface - Manual (Page 41)

Appendix C. MD485 to RF401 Network
b. Remote MD485
1) Active Ports – “RS-232 and RS-485”
2) Communication Mode – “Transparent Communication”
3) RS-232 Port Configuration – Desired baud rate
4) RS-485 Port Configuration – Desired baud rate
RF401 Configuration
The RF401s may be left in their default settings. However, if there is a
neighboring RF401 network, you should change the Hopping Sequence of
base and remote RF401s to a new setting to avoid interference.
3. MD9 EMULATION (POINT-TO-MULTIPOINT)
PC-MD485----MD485--null modem---RF401--RF401-DL
LoggerNet Setup
a. Setup:
ComPort_1
MD9Base
MD9Remote
CR23X
b. ComPort_1 – default settings
c. MD9Base – defaults
d. MD9Remote – Address: “1“
e. Dataloggers – default settings, schedule collections as desired
MD485 Configuration
a. Base MD485
1) Active Ports – “RS-232 and RS-485”
2) Communication Mode – “MD9 Emulation” with address 255
3) RS-232 Port Configuration – Desired baud rate
4) RS-485 Port Configuration – Desired baud rate
b. Remote MD485s
1) Active Ports – “RS-232 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) RS-232 Port Configuration – Desired baud rate
4) RS-485 Port Configuration – Desired baud rate
C-5