Campbell-scientific MD485 RS-485 Multidrop Interface Manuale Utente Scaricare il pdf (Pagina 26)

Appendix A. Phone to MD485 Network

FIGURE A-2. LoggerNet Phone to MD485 MD9 Emulation Setup

MD485 Configuration

a. Base MD485

1) Active Ports – “CS I/O and RS-485”

2) Communication Mode – “MD9 Emulation” with address 255

3) CS I/O Port Configuration – “Modem to Modem w/o

Datalogger”

4) RS-485 Port Configuration – Desired baud rate

b. Remote MD485s

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. HARDWARE

After configuring LoggerNet or PC208W and the MD485s you are ready

to set up hardware. The A100 null modem connectors (it’s not important

which connector goes to which unit) connect via SC12 cables to the

A-4

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Campbell-scientific MD485 RS-485 Multidrop Interface Manuale Utente Pagina 26