Campbell-scientific MD485 RS-485 Multidrop Interface Manual de usuario descargar pdf (Pagina 49)

Appendix D. Digital Cellular Modem to MD485 Network

2. TRANSPARENT COMMUNICATION

PC-Modem----Cell Tower Redwing-null modem-MD485-MD485-DL

LoggerNet Setup

a. Setup:

TAPIPort

TAPIRemote

PakBus Port (PakBus dataloggers only)

CR1000

b. TAPIPort – TAPI line corresponding to PC's modem

c. TAPIRemote – input digital cellular modem's phone number

d. PakBus Port – defaults (PakBus dataloggers only)

e. CR1000 – default settings, schedule collections as desired

MD485 Configuration

a. Base MD485

1) Active Ports – “RS-232 and RS-485”

2) Communication Mode – “Transparent Communication”

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 Communication”

3) CS I/O Port Configuration – Modem Enable

4) RS-485 Port Configuration – Desired baud rate

3. MD9 EMULATION (POINT-TO-MULTIPOINT)

PC-Modem----Cell Tower Redwing-null modem cable-MD485 ------MD485-DL1

------MD485-DL2

LoggerNet Setup

a. Setup:

TAPIPort

TAPIRemote

MD9Base

MD9Remote

CR10X

MD9Remote_2

CR10X_2

b. TAPIPort – TAPI line corresponding to PC's modem

D-5

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Campbell-scientific MD485 RS-485 Multidrop Interface Manual de usuario Pagina 49