روشنایی هلی دک

9475/ 32- 04- 72 series digital output modules for Zone 1 have four channels for actuating Ex i hydraulic and solenoid valves or indicator lamps. An additional Ex i control input is suitable for safe shutdown up to SIL 2. All inputs are short- circuit proof, galvanically separated from the system and individually monitored to check for wire breakage/ short- circuiting.