The 9478 digital output module valve for Zone 1 has eight channels for controlling pneumatic valves. The integrated 3/2-way solenoid valves are monitored to check for wire breakage and short-circuiting regardless of the control status. An additional Ex i control input is suitable for safe shutdown up to SIL 2. Operation in combination with Ex i I/O modules is permissible.
• 8 channels for pneumatic valves
• Pneumatic outputs with integrated 3/2-way valves and SIL2 shutdown input
• Module in Zone 1 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
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