New NFPA (Fluid) T3.21.20-2007 (R2012) View larger

NFPA (Fluid) T3.21.20-2007 (R2012)

M00016002

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NFPA (Fluid) T3.21.20-2007 (R2012) [ Withdrawn ] Pneumatic fluid power -- Electrical connections for valve islands -- Correspondence between solenoids and electrical connector pins and sockets

standard by National Fluid Power Association, 08/09/2008

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Full Description

1 Scope

1.1 This standard applies to pneumatic directional control valves mounted in a valve island, whose solenoids aredirectly energized through a single, multi-wire cable that is secured to the valve island with an electrical connector. Itdoes not apply to a fieldbus system.

1.2 This standard provides a means to identify the stations in a valve island and the solenoids located in a station, inorder that they may be identified for control purposes.

1.3 The standard also provides an association between the solenoids in their stations, and the pins/sockets in theelectric connector for the valve island.

1.4 The standard defines a code to facilitate communications of the valve island solenoid connections.