general features sturdy aluminium housing for harsh industrial environment. slots configurable for the card used. facility to connect bcd thumbwheel inputs. easy ladder programming. non-volatile eeprom storage for user program. front end io terminations. easy replacement of cards without disturbing the connections. rs-232 serial interface for connectivity to pc. ibm-pc compatible software package with full documentation facility. online monitoring on ibm-pc. technical specification configuration no of inputs : 64 maximum (24vdc optically isolated) no of outputs : 48 maximum (24vdc optically isolated pnp type) no of analog channels : 4 channels per slot (± 10v dc) no of thumbwheel inputs : 80 maximum (bcd) instruction set bit instructions : no , nc , series , parallel, rising edge, falling edge, jump, master reset, coil, set, reset, flip-flop special functions: timers : on delay , off delay, 0.01 , 0.1, 1 sec. Programmable monoshots : retrigerable 0.01, 0.1, 1 sec timebase counters : up, down comparison : , , = arithmetic : +, - , x , / conversion : bcdbinaryasciihex word type : incr, decr, set, reset, move logical word : and, or, xor, neg