The 9478 series digital output module valve for Zone 1 and Class I, Div. 1 has eight channels for actuating pneumatic valves. The integrated 3/2-way solenoid valves are monitored to check for internal wire breakage and short-circuiting regardless of the drive status. An additional I.S. control input is suitable for safe output shutdown up to SIL 2. Operation in combination with I.S. I/O modules is permissible.
- 8 channels for pneumatic valves
- Pneumatic outputs with integrated 3/2-way solenoid valves and SIL 2 Plant-Stop input
- Module hot swap in Zone 1 and Class I, Div. 1