Rice Lake SURVIVOR LaserLight Series Stop/Go Remote Displays - Installation & Operation Manual - Manual (Page 12)

8 LaserLight Installation and Operation Manual
Terminals J6, J8, and J9 are removable screw terminal plugs.
Port 0 is used for input only and port 1 is used to drive the next LaserLight Remote Display. See Table 2-2
above.
Figure 2-8 shows the LaserLight remote display CPU board.
Figure 2-8. LaserLight Remote Display CPU Board
Port 0 which is connected to the indicator supports three configurations; 20 mA, RS-232, and RS-485
communications. Port 1 which is the Echo port, supports 20 mA and RS-232 communications.
Connector Pin Assignment Function Port Position
J1 1 Ground
2 Digin 0
3 Digin 1
4 + 5 Volts
5 DigOut 0
6 DigOut 1
7 Ground
J6 1 20 mA Rx+ Port 0
2 20 mA Rx– Port 0
3 20 mA Tx+ Port 1
4 20 mA Tx– Port 1
J8 1 RS-232 TxD 0 Port 0
2 RS-232 TxD 1 Port 1
3 RS-232 RxD 0 Port 0
4 RS-232 RxD 1 Port 1
5 RS-232 SIG GND
6 RS-232 SIG GND
J9 1 RS-485 Rx+ Port 0
2 RS-485 Rx– Port 0
3 RS-485 Tx+ Port 0
4 RS-485 Tx– Port 0
Table 2-2. Serial Communications Wiring
Note
J9 J8 J6
J5
J7 J4 ISP