Hardware setup
Connection via Open Style wiring system
Master |
1
1
2
Modbus cable depending on the type of master
RS 485 double shielded twisted pair cable
2
2
ATV 212
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
View from underneath The following table describes the pin out of the ATV212 RJ45 connector.
8........................1 |
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) |
|
|
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.
S1A53844 01/2011 | 13 |
