Campbell-scientific MD485 RS-485 Multidrop Interface Instrukcja Użytkownika Pobierz pdf (Strona 47)

Appendix D. Digital Cellular Modem to MD485 Network

3. MD9 EMULATION (POINT-TO-MULTIPOINT)

PC--—Cell Tower--Raven—null modem—MD485----MD485-DL1

---- MD485-DL2

LoggerNet Setup

a. Setup

IPPort

MD9Base

MD9Remote

CR10X

MD9Remote_2

CR10X_2

b. IPPort – Internet IP address/domain name and the Port number (the

Raven template file configures the port to be 3001).

c. MD9Base —defaults

d. MD9Remotes – appropriate addresses

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 MD485

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. PAKBUS NETWORKING

PC--—Cell Tower--Raven—null modem—MD485----MD485-DL1

---- MD485-DL2

LoggerNet Setup

a. Setup

IPPort

PakBusPort

CR1000

CR1000_2

D-3

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Campbell-scientific MD485 RS-485 Multidrop Interface Instrukcja Użytkownika Strona 47