User manual

Addressing
I/O Images/Symbolic 2-5
I/O Image Addressing
a:bbc/dd
a I/O data type identifier
I - input device
O - output device
bb I/O rack number
00 - 03 (octal) PLC-5/10, -5/11, -5/12, -5/15, -5/20, -5/20E, -5/20C15
00 - 07 (octal) PLC-5/25, -5/30
00 - 17 (octal) PLC-5/40, -5/40L, -5/40E, -5/40C15
00 - 27 (octal) PLC-5/60, -5/60L, -5/80, -5/80E, -5/80C15
c I/O group number 0 - 7 (octal)
dd terminal (bit) number 00 - 17 (octal)
Examples: I:001/07 input device, rack 00, group 1, terminal (bit) 7
O:074/10 output device, rack 07, group 4, terminal (bit) 10