Campbell MD9 Manual de usuario descargar pdf (Pagina 3)

Hayes

Compatible

Modem

MD9

Datalogger

MD9

Datalogger

MD9

Datalogger

MD9

Surge

Protector

CSI Field

Modem

PS100/

A100

Environmental Enclosure

AC Power or

Solar Panel

BNC "T"

Connector

MD9 CT

Coax

Cable

SC12

Cable

MD9 CT

345

• Baud rate: 9600, 1200, 300; hardware selectable

• Current drain: 1.2 mA quiescent

80.0 mA active

• Operating voltage: 5 Vdc from the PS100 or

SC532(A) Interface

• Carrier frequency: 1.2 MHz

• Operating temperature range: -25° to +50°C

• Size: 6.5” x 3.5” x 1.25”

• Weight/shipping: 5 oz/2 lbs

• MD9 shipped with: SC12 cable and BNC “T”

connector

Telephone-to-MD9 Network

A telephone-to-MD9 system combines the advantages of multidrop and telephone telemetry. Telephone access

allows the multidrop system to be a large distance from the base station computer; the three-mile limitation on

the length of the coaxial cable can exclude the computer-to-first-MD9 segment. The combination also allows a

single phone line to access to all of the dataloggers on the coaxial cable therefore saving the expense of indi-

vidual phone lines.

A telephone-to-MD9 system requires slightly different

equipment:

1) Customer-supplied 1200 bps Hayes-compatible

modem.

2) Connection to a switched telephone network; the

telephone line can be connected to the CSI field modem

by RJ-11C phone jack or screw terminals.

3) 6362 (for use with enclosure) or 2372-01 Joslyn Telephone

Surge Protector. Required if the telephone company does not install a surge protector.

4) CSI Field Telephone Modem; includes SC12 cables. Dataloggers purchased before 12/97 may require an

adapter to work with our COM200 or COM210 modem; contact factory for details.

5) PS100/A100 combination provides a power supply with charging regulator and null modem ports.

Recharge by ac power or a solar panel is required.

Remainder of system is identical to an MD9 network without a telephone link.

Compatibility

Dataloggers - all CR510, CR500, CR10(X), and CR23X dataloggers

- 21Xs with serial numbers 6195 or higher (others require factory modification)

- 700X Control Module serial numbers 1670 or higher (others require factory modification)

Software - LoggerNet or PC208(W) Software; PC208 must be version #5348-00 or higher

(an upgraded version can be purchased)

Cable - RG-59/U Coax (e.g., Belden Model 9100 with typical attenuation of 0.6 dB/100 ft at 1 MHz)

Specifications

1 2 3 4

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Campbell MD9 Manual de usuario Pagina 3

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