Emerson Rosemount 3100 Series - Page 76

Reference Manual
00809-0100-4840, Rev. BA
July 2008
Rosemount 3100 Series
A-2
Electrical
Power supply Loop-powered (two-wire)
Rosemount 3101: 12 to 30 Vdc
Rosemount 3102: 12 to 40 Vdc
Rosemount 3105: 12 to 40 Vdc (non-hazardous area), 12 to 30 Vdc (hazardous area).
Earthing None required.
Current Output Rosemount 3101: Analog 4–20 mA
Rosemount 3102: Analog 4–20 mA, HART.
Rosemount 3105: Analog 4–20 mA, HART.
Signal on alarm Standard: Low = 3.75 mA. High = 21.75 mA
Namur NE43: Low = 3.6 mA. High = 22.5 mA
Saturation levels Standard: Low = 3.9 mA. High=20.8 mA.
Namur NE43: Low = 3.8 mA. High = 20.5 mA
Relay output
(on the Rosemount 3102)
Two integral signal relays, SPST rated 1A @ 30VDC (inductive) and 2A @ 30VDC (resistive)
Electrical parameters U
i
= 30 V, l
i
= 120 mA, P
i
= 0.82 W, L
i
= 108 μ H, C
i
= 0 nF.
Cable entry ½–14 NPT conduit entries for cable glands. Option: M20 x 1.5 conduit/cable adaptor.
Output Cabling Single twisted-pair and shielded, min. 0.22 mm
2
(24 AWG), max. 1.5 mm
2
(15 AWG).
Mechanical
Mounting thread size 2-in. NPT, or 2-in. BSP. Optional flange accessories available.
Measuring
Temperature compensation Rosemount 3101:
Automatic Integral temperature compensation.
Rosemount 3102:
Automatic Integral temperature compensation. Optional remote temperature sensor for dynamic
temperature compensation.
(2)
Rosemount 3105:
Automatic Integral temperature compensation. Optional remote temperature sensor for dynamic
temperature compensation.
(2)
Environment
Ambient temperature Rosemount 3101:
–4 to 158 °F (–20 to 70 °C)
Rosemount 3102 and Rosemount 3105:
–40 to 158 °F (–40 to 70 °C)
(3)
Process temperature Rosemount 3101:
–4 to 158 °F (–20 to 70 °C)
Rosemount 3102 and Rosemount 3105:
–22 to 158 °F (–30 to 70 °C)
Process pressure –4 to 44 psi (–0,25 to 3,0 bar)
Ingress protection NEMA 4X, IP 66.
Electromagnetic compatibility EN61326 (Class B)
Certifications CE-mark, FM, CSA, ATEX, or IECEx - dependent on order code.
(1) Temperature: 68 °F (20 °C), Pressure: 101.3 kPa (atmospheric pressure), and Relative Humidity: 65%.
(2) See page A-9 for optional accessories.
(3) See page A-3 onwards for approval temperature ranges.