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Campbell Scientific MD485 RS-485 Multidrop Interface User Manual

Page 30

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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