Emerson Rosemount 3100 Series Reference Manual

79
Reference Manual
00809-0100-4840, Rev CB
Appendix A: Reference Data
February 2015
Reference Data
A.1.4 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
3101: Low = 3.6 mA. High = 21 mA
3102/3105
(1)
:
Standard: Low = 3.75 mA. High = 21.75 mA;
Namur NE43: Low = 3.6 mA. High = 22.5 mA
Saturation levels
3101: Low = 3.8 mA. High = 20.5 mA
3102/3105
(1)
:
Standard: Low = 3.9 mA. High = 20.8 mA;
Namur NE43: Low = 3.8 mA. High = 20.5 mA
Relay output (Rosemount 3102)
Two integral signal relays, SPST rated 1A @ 30 Vdc (inductive) and 2A @ 30 Vdc (resistive)
Electrical parameters
U
i
= 30 V, l
i
= 120 mA, P
i
= 0,82 W, L
i
= 108  H, C
i
= 0 nF (for 3105 hazardous area approvals)
(1) If no Special Alarm option code is selected when ordering the 3102 or 3105 transmitter, the configuration is pre-set for a high-signal alarm indication, and
standard Rosemount alarm and saturation levels (see Table A-2 on page 88 or Table A-3 on page 89 for the option codes). Alarms and faults are discussed
on page 51.

Emerson Rosemount 3100 Series Specifications

General

Brand	Emerson
Model	Rosemount 3100 Series
Category	Transmitter
Language	English