Ritron DATAFLOW RTU Series Betriebsanweisung PDF herunterladen (Seite 27)

Software/Programming

4.2.1 The AC Power Supply, OMEGA part number RTU-PS, converts 110 Volts AC to a DC voltage

for use by the DATAFLOW RTU. The power supply provides power to the RTU when RTU

programming software is being used, and also provides power to the RTU, if it is to be

connected to a MODBUS PC controller.

CAUTION:

Plug the power supply only into a 110 VAC outlet. AC Power Supply, OMEGA

part number RTU-PS is intended only for indoor use at normal room temperatures.

It is not intended to provide protection from water or any other contaminants; it is

not intended to function over the full temperature range of the DATAFLOW RTU.

To correctly use the power supply, plug the two-pronged end into a 110 VAC

50-60 Hz wall outlet. Plug the 2.1 mm power jack into the 2.1 mm power receptacle

of the RTU-PCPC cable.

NOTE: The AC Power Supply furnished with the programming kit is not guaranteed to provide

adequate current to the RTU in HIGH (5W) power mode. When the transceiver is operating in

the HIGH power mode, DC power supply of 12 Volts and 2.5 Amps minimum is required. For

external power supply connection, mate the coaxial power connector of the RTU-PCPC cable

to a coaxial power connector, Radio Shack part number 274-1569 or equivalent, having an

outer diameter of 5.5 mm and an inner diameter of 2.1 mm.

4.2.2 The Computer Cable, OMEGA part number RTU- 9/RTC-PAS, connects the 25-pin PC compatible

COM port to the RTU-PCPC cable. Plug the 25-pin connector into the computer port and the

modular telephone jack into the RTU-PCPC.

CAUTION:

Computer Cable, OMEGA part number RTU-9/RTC-PAS is intended to operate at normal room

temperatures; it is not intended to function over the full temperature range of the DATAFLOW RTU.

NOTE: If the COM port has a 9-pin connector, a 9-pin to 25-pin serial port adapter is required.

The adapter is not included with the programming kit.

4.2.3 DATAFLOW RTU Cable, OMEGA part number RTU-PCPC is used to connect the RTU to the

power supply and the computer cable. Plug the 7-pin circular connector of the RTU-PCPC into

the 7-pin connector of the RTU.

CAUTION:

DATAFLOW RTU Cable, OMEGA part number RTU-PCPC is intended to operate at normal room

temperatures, it is not intended to function over the full temperature range of the DATAFLOW RTU.

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Ritron DATAFLOW RTU Series Betriebsanweisung Seite 27