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Vahid, The 7955, depending upon which communication options it has, may support MODBUS/RTU or MODBUS/ASCII on its serial port... or MODBUS/TCP on its Ethernet port. Here is the brochure for that flow computer...

What is the brand and model of the flow meter? And what is the flow meter monitoring (water, gas, etc)? Depending upon the flowmeter that you have, there are several really good options that I know of and have used in the past...

Keller America offers a Modbus/RTU Slave (RS-485) pressure transducer that can be mated with a radio transceiver to communicate wireless to wonderware (or a PLC). The model is called the Preciseline. I have some experience using this transducer. www.kelleramerica.com Chris Lilly is their...

To answer this question fully, I'm pretty sure we need to know which of these PLC's is to be the master, and which is to be the slave. If the CompactLogix is the master, then I'd recommend using a DIGI ONE IAP to map DF1 requests from the CompactLogix over to Modbus/RTU requests that will be...

Hello Auto Guy, In your project, if you have large master meters along the pipeline and/or within the plant and pumping stations that you'd like to read, then the EtherMeter (by my company SCADAmetrics), will collect totalization and flow data from these meters and send it to your SCADA System...

Hello Yong, If your water meter is turbine-based or single-jet-based (eg. Sensus, Neptune, Badger, Actaris, Elster-AMCO, Hersey,etc...), then an EtherMeter (by SCADAmetrics) can be connected to the meter register, and this device makes the totalization and flow rate data available in MODBUS...