Yokogawa Electric Corporation”s ProSafe-RS R3.01 safety instrumented system features input modules that can directly receive voltage signals from temperature sensors, as well as software that restricts the operations performed by individual engineers and records a log on their activities. In addition, new compact terminal boards have been developed for use with the ProSafe-RS safety instrumented system. The compact terminal boards will be released in June and ProSafe-RS R3.01 will be released in July. Temperature direct input modules receive signals from mV, thermocouple (tc), and RTD sensors. The DIN, rail-mounted ProSafe-RS terminal boards that connect to cables from field devices are approximately 60 percent smaller than our previous terminal boards. These newly developed boards can be installed either horizontally or vertically, allowing the most effective use of available space.