R. STAHL releases 8-channel 9478-series DOMV | Automation.com

R. STAHL releases 8-channel 9478-series DOMV

R. STAHL releases 8-channel 9478-series DOMV

May 18, 2016 – R. STAHL's 8-channel discrete output module for valves (DOMV) combines electronic and pneumatic control technology to form a compact unit. Thanks to its design, eight pilot valves fit onto one 9478 series DOMV with the same dimensions as any standard I/O module for IS1+. No field wiring is necessary, and no additional enclosures requiring extra space must be accommodated.

As a component of the IS1+ remote I/O system, the DOMV can be combined with any other I/O modules for analogue and discrete signals. Since no separate field wiring is necessary for the DOMV, and since IS1+ features diagnostic functions, the overall plant availability is enhanced as well. Approved for functional safety applications up to SIL 2, the module comes with a separate shutdown input that can be triggered via an input with a pushbutton or switch. This ensures a safe deactivation of all eight solenoid valves. The integrated 3/2-way solenoid valves are suitable for switching at pressures from 2.5 to 7 bar at a Qn value of 300 l/ min and approximately 1000 switching c.p.m. Thanks to its full integration into the IS1+ remote I/O, the DOMV 9478 can be operated in networks with almost all kinds of control systems via PROFIBUS DP, MODBUS RTU, Modbus TCP, PROFINET or EtherNet/IP. Field enclosures for operation in Zone 1 or Division 1, including accessories such as valve restrictions or push-in bulkhead fittings, are fully fitted and assembled at R. STAHL's Automation Competence Centre.

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