3 Component Names and Settings133.4 Switch Setting DIP SwitchThe following table shows the SI-T/V7 Unit DIP switch settings.* 1. Invalid if S1-1 is OFF (4 Mbps) and S1-2 is ON (32-byte data transmission).* 2. For maintenance. Always leave this switch OFF. Rotary SwitchThe following table shows the SI-T/V7 Units rotary switch settings.Note: Although the range that can be set by S1-3 and S2 is from 20 to 3F,20 and 3F are invalid (the ERR LED indicator blinks six times).Therefore, the actual setting range is from 21 to 3E.Refer to the following section Station-number Setting for details.Name Label Status Function FactorySettingBaud rate S1-1 OFF 4 Mbps (MECHATROLINK-I) *1 ONON 10 Mbps (MECHATROLINK-II)Data length S1-2 OFF 17-byte data transmission (MECHATROLINK-I/MECHATROLINK-II)ONON 32-byte data transmission (MECHATROLINK-II)*1StationaddressS1-3 OFF Set the10’s digit of the station number to 2. Invalid ifthe maximum number of units including the S2 ofthe rotary switch is 20.OFFON Set the 10’s digit of the station number to 3. Invalidif the maximum number of units including the S2 ofthe rotary switch is 3F.Maintenance S1-4 OFF Normally OFF *2 OFFON Not used.Label Status Function Factory SettingS2 0 to F Set the 1’s digit of the station number.Invalid if the maximum number of units including theS1-3 is 20 or 3F.11 432OFF123456789AB CDEF 0