About the GP230-LG11-24V
GP230-LG11-24V is a 4.7-inch Monochrome Panel Station by Pro-Face. The GP230-LG11-24V requires a power supply of 24 VDC. The GP230-LG11-24V s display color is black and white with a resolution of 320 x 240 dots, with an effective display area of 96 W x 72 H. This product is no longer manufactured. Repair or replacement services will be your only options.
The GP230-LG11-24V uses an RS-232C or RS-422 serial port interface. There are twenty-five different pins and here is what the pins are used for. Pin number 1 is an FG- Frame Ground, Pin number 2 is an SD Send Data (RS-232C), Pin number 3 is an RD receive data (RS-232C), pin number 4 is an RS request send (RS-232C), pin number 5 is a CS clear send (rs-232c), pin number 6 is a NC no connection, pin number 7 is a GND signal ground, pin number 8 is a CD carrier detect (RS-232C), pin number 9 is a TRMX termination (RS422), pin number 10 is an RDA receive data A (RS-422), pin number 11 is an SDA send data A (RS-422), pin number 12 is NC no connection, pin number 13 is NC no connection, pin number 14 is VCC 5V plus or minus 5% output 0.25A, pin number 15 is a SDB send data B (RS-422), pin number 16 is an RDB receive data B (RS-422), pin number 17 NC no connection, pin number 18 is a CSB clear send B (RS-422), pin number 19 is an ERB enable receive B (RS-422), pin number 20 is an ER enable receive (RS-232C), pin number 21 is an CSA clear send A (RS-422), pin number 23 is RESERVED (for future use), pin number 24 NC no connection, pin number 25 is RESERVED (for future use).