Varec 2910 Float & Tape Transmitter

The 2910 Float & Tape Transmitter (FTT) provides data from the tank side to the control room for use in inventory management volumetric calculations. It is also able to integrate a single temperature sensor and provide inputs and outputs for basic automation and control.

Specifications

Accuracy & Repeatability

± 1/16? (1.58 mm)

Range

0 to 120 ft; Meters: 0 to 36 m
Limit switch range is 100 ft (30 M) maximum

Communications

Mark/Space
EIA?485/GSI Type MODBUS®
L&J Tankway

Power

Standard: 20 to 65 VDC 0.02A
Optional: 40 to 65 / 110 / 220 – 240 VAC
500 mW nominal, 50/60 Hz
Built-in galvanic isolation for both AC and DC models

Temperature Input

High?accuracy 20?bit analog?to?digital converter. 3?wire RTD copper (CU90, CU100) or platinum (PT100).

Discrete Inputs

Enables connection to ancillary devices, such as switches, pumps or valves
Standard: (DC Unit) Option: Two (2) discrete inputs.
Optional: (AC Unit): 4 discrete inputs
Host signal: Open/Closed

Contact Outputs

Triggers temperature or level alarm lights, horns, etc.
Optional (AC Unit): Four (4) software?driven contact outputs
Host signal: Open/Closed
Ratings:
0.6 A @ 125 Vac
1 A @ 30 Vdc
0.6 A @ 110 Vdc

Limit Switches

11 amp ? 125, 250, 277 VAC
4 amp ? 125 VAC Tungsten filament lamp
Load: 1/3 HP ? 125 VAC, 250 VDC
Load: 1/2 amp ? 125 VDC, 1/4 amp ? 250 VDC

Approvals

cFMus (USA & Canada) ? Explosion Proof Class I Division 1 (Ta? ?25°C)/Zone 1 (Ta??20°C) Groups C&D (Ta?+85°C), NEMA 4 & IP66
ATEX/IECEx (International) ? Flameproof Ex II 2G, Ex d IIB T5 Gb ?20°C ? Ta ? +85°C, IP66

Options

01 Housing & Approvals cFMus ATEX/IECEx

02 Power Input DC AC

03 Communications Not Applicable Mark/Space EIA-485 MODBUS/GSI Type MODBUS Tankway (L&J)

04 Limit Switch Range Not Applicable 0-25 ft 0-50 ft 0-100 ft 0-7.5 m 0-15 m 0-30 m

05 Limit Switches None Two (2) SPDT Limit Switches (180° adjustable dwell, positive activation) Four (4) SPDT Limit Switches (180° adjustable dwell, positive activation) Six (6) SPDT Limit Switches (180° adjustable dwell, positive activation)

06 Junction Box No Additional Junction Box Additional Junction Box

07 Digital I/O No Additional Digital Inputs or Outputs Additional DIDO

Float & Tape Transmitter