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Found 2 results

  1. I am trying to receive data from an instrument. The data stream is a series of binary numbers. The help file for the Protocol FB says that it can receive a variable as a binary number. However, in practice this does not seem to be the case. Can a V700 PLC receive a binary number and save it into an MI ? again using the protocol scan function I do not see how this is possible. Thanks for any help with this. Bill
  2. hi all, i have a question about using protocol fb. i have a phoenix empro ma250 power meter which can aommunicate using modbus rtu. i can communicate with the power meter using read holding register modbus fb flawlessly. what i want to do is use protocol fb to generate the send and receive modbus frame messages. i am having trouble constructing the messages in protocol fb. i have attached a picture of the frame structure of the meter. iam using a v350 for this, with one port for modem and the other port for the device/s. i wish to use protocol fb instead of modbus fb because i want to connect other devices that don't use modbus protocol. i hope anyone can help me. thanks all protocol fb question.bmp
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