Arcee automation offers manufactures abacus controllers. These abacus controllers that are programmable from a computer`s serial port and support up to 12 outputs and 20 inputs providing a complete solution for applications requiring position control on a single axis, and excellent performance in electrically noisy environments. To display and enter position, speed and other information, an an led or lcd display panel can be used to display and enter position, speed and other information. Complete packages including single or four-quadrant drive, motor and encoder to suit customer requirements are also provided. Electrical specifications are given by d. The features are as follows:* power input: 24 v dc* inputs: 24 v dc 10 ma pnp types * outputs: potential free contacts 250 v 3 a/24 v dc 50 ma o c * basic unit: 4 outputs+4 inputs * expansion unit: 8 outputs+16 inputs, total 12+20 max * display: 7 digit led+16 keys or 16 x 2 characters lcd with 24 keys * program storage: battery backed ram or eprom * drive output: +/- 10 v analog output for single or 4 quadrant drive* encoder input: 5 v ttl, 2 phase+index 160 khz max * size: 232 x 190 x 42 mm