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Modbus exception code gets returned when downloading to a TSX Compact E2xx PLC via the ETG100.

Goals and Symptoms

Modbus exception code gets returned when downloading to a TSX Compact E2xx PLC via the ETG100.

Facts and Changes

Using the pinout for case 1 from page 7 of the 'ConneXium TSXETG100 Ethernet Gateway
Serial Connection Cases' document, results in a Modbus exception error code being returned when you try to
download a Conecpt application to a TSX Compact E2xx PLC.

Causes and Fixes

The pinout diagram is missing the connection for the jumper from the GND pin.

To resolve the problem, make the ground connection as show below.

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