A.2 Physical specifications
Electrical connections/power module
Smart Power Module
• Replaceable, non-rechargeable, intrinsically safe lithium-thionyl chloride power
module pack with PBT enclosure
• 1.5–3-year power module life at reference conditions
(1)
• 4 screw terminals for sensor connection
External DC power
• 10-28 VDC, 40 mA, 80 mA peak
• 22 gauge wire minimum
Field Communicator connections
• Communication terminals
• Clips permanently attached to the terminal block
Construction materials
• Enclosure housing – Low-copper aluminum
(2)
• Paint – Polyurethane
• Cover O-ring – Buna-N
• Terminal block and power module pack – PBT
• Antenna – PBT/PC integrated omnidirectional antenna
Mounting
Transmitter mounting requires mounting brackets. See the Section A.6 for more
information.
Weight
CSI 9420 without LCD – 4.6 lb (2 kg)
CSI 9420 with M5 LCD – 4.7 lb (2.1 kg)
Enclosure ratings
Housing is NEMA 4X and IP66 with approved cable glands
(1) Reference conditions are 70 °F (21 °C), two accelerometers with a transmit rate of once every 60 minutes, and routing data for three
additional network devices, LCD disabled, no time-based collection of energy band.
(2) The housing is also available in non-polished stainless steel. Contact an Emerson sales representative for more information.
Specifications and reference data
MHM-97408, Rev 15 117