Campbell-scientific MD485 RS-485 Multidrop Interface Manuel d'utilisateur télécharger pdf (Page 46)

Appendix D. Digital Cellular Modem to MD485 Network

2. TRANSPARENT COMMUNICATION (POINT-TO-POINT)

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

LoggerNet Setup

a. Setup

IPPort

PakBusPort (PakBus dataloggers only)

CR1000

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

Raven template file configures the port to be 3001).

c. PakBus Port—defaults

d. CR1000 – default settings, schedule collections as desired

MD485 Configuration

a. Base MD485

1) Active Ports – “RS-232 and RS-485”

2) Communication Mode – “Transparent Communications”

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 Communications”

3) CS I/O Port Configuration – Modem Enable

4) RS-485 Port Configuration – Desired baud rate

D-2

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Campbell-scientific MD485 RS-485 Multidrop Interface Manuel d'utilisateur Page 46