The MAP 4000 Series monitor/controller from Novotechnik includes up to four limit switches. It can perform up to 40 measurements/sec. The Series’ limit switches are programmable and operate via relays. The inputs are also programmable for potentiometers, DC voltage, current/voltage, resistance, and temperature sensors. The scope of measurement range is -99,999 to 999,999, with an accuracy of 0.1%+1 digit of full scale. The MAP 4000 provides isolated RS 232 or RS 485 outputs. From $218.