Campbell Scientific MD485 RS-485 Multidrop Interface - Manual (Page 33)

Appendix B. RF401 to MD485 Network
2. TRANSPARENT COMMUNICATION (POINT-TO-POINT)
PC-RF401----RF401--null modem--MD485---MD485-DL
LoggerNet Setup
a. Setup:
ComPort_1
PakBus Port (PakBus dataloggers only)
CR1000
b. ComPort_1 – default settings
c. PakBus Port – defaults (PakBus dataloggers only)
d. CR1000 – corresponding PakBus address (PakBus dataloggers
only), other settings default, schedule collections as desired
MD485 Configuration
a. Base 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
b. Remote MD485
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “Transparent Communication”
3) CS I/O Port Configuration – Modem Enable
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-RF401 ----RF401--null modem---MD485 ----------MD485-DL1
--------- --MD485-DL2
LoggerNet Setup
a. Setup:
ComPort_1
MD9Base
MD9Remote
CR23X
MD9Remote_2
CR23X_2
B-5