KEYENCE DV-90 - Manual (Page 41)

3-7
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* Refer to page 6-5.
* Refer to page 6-5.
3-2
RS-232C Interface Connection
The DV-90 is equipped with two RS-232C interfaces. (PORT1 and PORT2)
Connect a code reader to PORT1. Connect either a PLC, PC, or code reader to PORT2.
Pin Assignment of the RS-232C Interface
„ Pin assignment of PORT1/PORT2 (when “Code Reader” is set for the connecting
device*)
„ Pin assignment of PORT2 (when “PC” or “PLC Link” is set for the connecting
device*)
Pin No. Label Description Signal direction
1 TIM(TRG) Outputs a reading trigger to the code reader Output
2 SD (TXD) Sends data Output
3 RD (RXD) Receives data Input
4 OK Read OK signal Input
5 SG Signal ground -
6 NG Read NG signal Input
7 CS (CTS) Send OK Input
8 RS (RTS) Requests transmission (always ON) Output
9 +5V +5V power Output
Pin No. Label Description Signal direction
1 TIM(TRG) Outputs a reading trigger to the code reader Output
2 SD (TXD) Sends data Output
3 RD (RXD) Receives data Input
4 DR (DSR) Internally connected to pin 6 Input
5 SG Signal ground -
6 ER (DTR) Internally connected to pin 4 Output
7 CS (CTS) Send OK Input
8 RS (RTS) Requests transmission (always ON) Output
9 +5V +5V power Output
When connecting a PC or PLC to PORT2, do not wire pin 1 (TIM) and pin 9 (+5 V).
D-sub pins (male)
# 4-40 screw (female)