AL16AN Programmable Logic Controller Instruction ... - FF-Automation

AL16AN Instruction ManualPage 8-330/05/99The AL1094AF display/keypad unit has 2x20 character alphanumeric display, clock/calendar,8 keys, 4 indicating leds, buzzer and one 24VDC 300 mA output for external indicatingligth. The AL1904AF can display text (using the PRT instruction). The unit can befitted with client designed front plate. Output O 4 = buzzer, output O 5 = control output forexternal indicating ligth .AL1094AF041 2 35 6 743218.5 Reading The KeypadR M 209:Contains the ASCII code of the character last received fromthe keypad. The keypad is connected to I 2 C.R M 240:Content02481632128FunctionMode "0" (normal mode)Mode "1"Mode "2"Mode "3"Mode "4" the hole display area is reserved for character outputMode "5" like mode "0", but function of b-key is disabledMode "6" the display is blocked (all output into display is disabled)Example:A character is sent to the display from the keypad in serial line.STR R M 209 ; Read character from serial lineLES R C 000 ; If value 0EQ R RM 209 ; Reset the bufferPRT R T ; print the characterSTOPBit outputs 240 ... 255 are set,when the corresponding keyhas been pressed(regardless of the operatingmode).240 241 242 243244 245 246 247248 249 250 251252 253 254 2558.6 Control of LED indicatorsThe LED indicators are contolled by PLC'soutputs O 232 ...O 237LED 1 O 232LED 4 O 235LED 2 O 233LED 5 O 236LED 3 O 234LED 6 O 237L0L1L2L3L4L5FF-Automation Oy