Yokogawa ASD143-P00 Digital Input Module with Built-In Barrier

Yokogawa ASD143 Digital Input Module with Built-In Barrier (16-channel, NAMUR Compatible, Isolated) (with ISA Standard G3 option and temperature (-20 to 70 °C) option)

Specification

Table List of Parameters (FM) of Modules with Built-in Barrier

ATEX parameters

• Uo: Maximum open circuit voltage
• Io: Maximum output current
• Po: Maximum output power
• Ui: Maximum input voltage
• Co: Output capacitance
• Lo: Output inductance
• Remarks (*1): See the Yokogawa ASD143 Digital Input Module with Built-In Barrier manual for more information.

IIC, IIB, and IIA

• IIC: Equipment intended for use in zones 1 and 2, where an explosive atmosphere consisting of a mixture with air of gases, vapors, or mists is likely to occur occasionally.
• IIB: Equipment intended for use in zones 1 and 2, where an explosive atmosphere consisting of a mixture with air of dust clouds is likely to occur occasionally.
• IIA: Equipment intended for use in zones 1 and 2, where an explosive atmosphere consisting of a mixture with air of flammable gases or vapors is likely to occur occasionally.

Please note that these are just general guidelines. The specific ATEX requirements for your application should be determined by a qualified engineer.

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