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Hardware setup
S1A53844 01/2011 13
Connection via Open Style wiring system
Open Style Reference
Modbus serial link connection is carried out using RS 485 double shielded twisted pair cables, supplied without
connector (reference: TSX CSA 100). Maximum length is 100 m (328 ft). The ATV212 drive includes a line
termination as standard. Set switch SW103 to Term to connect the internal 120 Ω termination resistor.
Pin out of the RJ45 Modbus connector
ATV 212
2
1
2
Master
1 Modbus cable depending on the type of master
2 RS 485 double shielded twisted pair cable
View from underneath
The following table describes the pin out of the ATV212 RJ45 connector.
Pin Signal
1 Not connected
2 Common (common of the signal and power supply)
3 Not connected
4 D1 (Modbus name) or B (EIA / TIA485 name)
5 D0 (Modbus name) or A (EIA / TIA485 name)
6 Not connected
7 VP, 10 Vdc (supply for RS232/RS485 converter or graphic display option)
8 Common (common of the signal and power supply)
8........................1
CAUTION
RISK OF DAMAGE TO THE DRIVE
Use wiring cables or taps that connect only signals D0, D1 and common.
Failure to follow this instruction can result in injury or equipment damage.