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Reference Manual
00809-0100-4832, Rev AA
October 2004
Rosemount 3095FC
A-2
Power
• Transmitter: operates on terminal voltage of 8 - 28 Vdc
• Input current: 5mA nominal, 9.5 mA at 100% duty cycle (battery charging
not included)
• Internal battery: rechargeable, Nominal 6.2 Vdc (2.5 Amp/hr)
• Maximum power consumption: 19 watts
• Solar panel input: nominal 8 V to 200 mA
• Solar panel output: 2 watts, 9 V nominal
• External charging input: 12 Vdc max (8 - 10 Vdc nominal)
RS-485 Signal Wiring
2-wire half-duplex RS-485 MODBUS with 8 data bits, 1 stop bit,
and no parity
Bus Terminations
Standard RS-485 bus terminations required per EIA-485.
Failure Mode Alarm
If self-diagnostics detect a gross transmitter failure, non-latched status bits
are set in the transmitter alarm registers.
Humidity Limits
0–95%, non condensing
Communications
User Interface: EIA-232 (RS-232C) format
Baud Rate: 600 to 19200 bps User selectable
Host: RS-485 / RS-232
Rosemount User Interface Software and Hardware Requirements:
• IBM-compatible PC
• 1 MB of RAM
• Pentium-grade processor: 233 MHz or faster
• Microsoft Windows 98 or higher operating system
• CD-ROM drive
Temperature Limits
Process (at transmitter isolator flange for atmospheric pressures and above):
• –40 to 212 °F (–40 to 100 °C)
• Inert fill sensor: 0 to 185 °F (-18 to 85 °C).
• Process temperatures above 185 °F (85 °C) requires derating the ambient
limits by a 1.5:1 ratio.
Ambient:
• –40 to 167 °F (–40 to 75 °C)
• with integral meter: -4 to 167 °F (-20 to 75 °C)
Storage:
• –50 to 185 °F (–46 to 85 °C)
• with integral meter: -40 to 185 °F (-40 to 85 °C)