Omron NTXS Manual page 34

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