Omron NTXS - Page 34

Hardware
28
NT2S-SF121B-EV2 / SF125B-E
Com1 Port (PLC Port)
Port Type: DB9 Female
Pin Name Description
Number
1 GND Circiut Ground
2 232TXD Transmit 232
3 RXD Receive 232 / CMOS
4 GND Circuit Ground
5 GND Circuit Ground
6 VCC +5 VDC
7 CMOSTXD Transmit CMOS
8 DIR Direction Control
9 PLC ATTACH Attach PLC. Should be grounded inside the cable
NT2S-SF122B-EV2 / SF126B-E
Com1 Port (PLC Port)
Port Type: DB9 Male
Pin Name Description
Number
1NCNC
2 DIR Direction Control
3 232TXD Transmit 232
4 VCC +5 VDC
5 GND Circuit Ground
6 CMOSTXD Transmit CMOS
7 RXD Receive 232 / CMOS
8 RXD Receive 232 / CMOS
9NCNC