NAiS GT01 Technical Manual
Also see for GT01: Technical manual
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Contents
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Connecting and Communicating with the PLCGT series334.5 Automatic Communication Settings Function4.5 Automatic Communication Settings FunctionAfter turning on the power supply, if there is no response from the PLC connected tothe GT01, the GT01 switches to the automatic setting mode for the communicationconditions. In the automatic setting mode, commands are sent to the PLC whilechanging the communication conditions in the sequence shown below.GT01PLC(1) 9600 bits/s, 8 bits, odd parity, 1 stop bit(2) 19200 bits/s, 8 bits, odd parity, 1 stop bit(3) 115200 bits/s, 8 bits, odd parity, 1 stop bit(4) Communication conditions set in GTWIN Configuration SettingsIf there is no response from the PLC,commands are sent to the PLC whilechanging the communication conditions.The GT01, in automatic setting mode, continues to repeat steps (1) to (4) until there isa response from the PLC. While it is repeating these steps, it is in the “Standby” modeunder “GT01 Configuration” a “Communication Parameters” a “Handle CommunicationError” on GTWIN. For information on how settings are entered, please refer to page 43.Explanation of this function• Conditions when the automatic settings mode is in effectIf communication is attempted the specified number of times andthere is no response from the PLC, the GT01 goes into the automaticsettings mode. The number of attempts is specified using the “No. ofRetries” parameter under “GT01 Configuration” → “CommunicationParameters” → “Handle Communication Error” on GTWIN. Forinformation on how settings are entered, please refer to page 43.• Automatically set communication conditionsIn the automatic settings mode, if there is a response from the PLC,subsequent communication is carried out under conditions matchingthe response. The main unit configuration settings are not updated,however, even if the communication parameters are different fromthose of the main unit configuration settings. |
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