![]() ![]() The Ethernet plug itself faces down, on the right center portion of the option board. My brief inspection showed only a 'Modbus HMI' plug on the front of the Altivar 71.įrom what I've read, I can connect the Altivar 71 to a Modbus/TCP network using a "VW3 A3 310" module, which fits on the face of the drive and looks like it allows that Modbus HMI port to pass through it. ![]() There's a totally separate contact wheel encoder connected to a BMX EHC 0200 counter module in the M340 controller chassis, and one of my tasks is to figure out how the original programmer used them together. Right now the drive is connected to the PLC purely with discrete I/O the PLC sends the drive a Start, Stop, and two Speed Select inputs. As most of you know, I'm an Allen-Bradley expert but a newbie with Telemecanique/Schneider/Modicon. ![]() I'm getting involved in a project that uses Modicon M340 PLC controllers and Telemecanique/Schneider Altivar 71 variable-frequency AC drives. ![]()
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January 2023
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