YASKAWA Varispeed F7 User Manual

Also see for Varispeed f7: Connection manual Programming manual User guide Instruction manual User manual

123.2 Communications ConnectorsThe communications connectors (CN1-1 and CN1-2) connect the SI-T Card to the commu-nications lines of the MECHATROLINK-I or MECHATROLINK-II. The following tableshows the pin numbers and their functions.3.3 LED IndicatorsThe LED indicators indicate the status of the communications of the MECHATROLINK-Ior MECHATROLINK-II and the SI-T Card.However, these indicates are for maintenance checks at Yaskawa. Use the Digital Operatorto check the status.Connector Pin No. Signal Name I/O FunctionCN1-1 1 (NC) − Not used.2 SRD− I/O Send/receive data (-)3 SRD+ I/O Send/receive data (+)4 (NC) − Not used.Shell Shield − Not used.CN1-2 1 (NC) − Not used.2 SRD− I/O Send/receive data (-)3 SRD+ I/O Send/receive data (+)4 (NC) − Not used.Shell Shield − Not used.Name Display ExplanationColor StatusRUN Green Lit Normal operation− Not lit Communications CPU stopped, resetting hardware, RAM checkerror, DPRAM check error, station address setting error, orInverter model code errorERR Red Lit Watchdog timeout error, communications error, diagnosis error, orresetting hardwareRed Blinking ROM check error (once)*, RAM check error (twice)*, DPRAMcheck error (3 times)*, communications ASIC self-diagnosis error(4 times) *, ASIC RAM check error (5 times)*, station address set-ting error (6 times) *, Inverter model code error (7 times) **: Indicates the number of blinking.− Not lit No communications error or self-diagnosis errorTX Green Lit Sending data− Not lit Sending of data stopped, hardware resetRX Green Lit Searching for receiving carrier− Not lit No receiving carrier found, resetting hardware