... CPUs, expansions, various accessories and software, specially designed for GSM/GPRS wireless systems being used for remote measurements, data logging, control, ... 4DI/2DO, 8DI/4DO- Analog inputs (DC0…10V,0/4..20mA,PT100)- Expandable up to 40DI/36DO,36AI/36DO- Expandable ... values can be directly sent to UsersØ Retentive memory capabilityØ 4-lines, 16-character per line, backlight display& keypad optionalØ ...