Campbell Scientific MD485 RS-485 Multidrop Interface User Manual
Page 30

Appendix B. RF401 to MD485 Network
1. HARDWARE
REQUIREMENTS
a. MD485s
b. RF401s
c. PS100 with A100
d. Transformer (CSI Item #15966) for base RF401
e. Transformer (CSI Item # 9591) or solar panel for PS100
f.
Three SC12 cables (one included with each MD485 and one with
RF401)
g. CABLE2TP
2. TRANSPARENT
COMMUNICATION
(POINT-TO-POINT)
PC-RF401----RF401-PS100 with A100-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 – default settings, schedule collections as desired
MD485 Configuration
a. Base MD485
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “Transparent Communication”
3) CS I/O Port Configuration – “Modem to Modem w/o
Datalogger”
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.
B-2