9475/x2-04-xx series digital output modules for Zone 1 have four channels for actuating Ex i solenoid valves or indicator lamps. An optional 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.
- Four channels for Ex i solenoid valves
- Ex ia outputs with line fault monitoring and optional SIL 2 shutdown input
- modules in Zone 1 can be hot swapped