Emerson IFT9701 Manual Do Utilizador
66
Model IFT9701 Transmitter Instruction Manual
IFT9701 Specifications
continued
A.2.2
Local display (optional)
5-digit, alphanumeric, liquid crystal display (LCD) installed on the field-wiring compartment cover.
The LCD shows flow rate, and indicates slug flow, flowmeter zeroing in progress, and electronic
faults.
The LCD shows flow rate, and indicates slug flow, flowmeter zeroing in progress, and electronic
faults.
Note: Not available for ATEX Zone 1 applications.
A.2.3
Low-flow cutoff
Flow rate below cutoff causes outputs to default to level that indicates zero flow and totalizer stops
counting
counting
A.2.4
Slug-flow inhibit
When transmitter senses density outside user-selected limits, outputs default to levels indicating zero
flow and totalizer stops counting
flow and totalizer stops counting
A.2.5
Damping
User-selected time constant of 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, or 12.8 seconds
A.2.6
Fault indication
Fault condition can be indicated by user-selected downscale (2 mA, 0 Hz) or upscale (22 mA,
7200 Hz) output levels, Bell 202 communications, and optional display
7200 Hz) output levels, Bell 202 communications, and optional display
A.2.7
Output testing
Current source
Can output a specified current between 2 and 22 mA
Frequency source
Can output a specified frequency between 0.01 and 1200 Hz
A.2.8
Power supply options
85 to 250 VAC
•
45 to 65 Hz, 9 watts maximum power dissipation
•
20 VA maximum apparent line power
•
Fused at 250 V/0.4 A IEC delayed, nonreplaceable
•
Meets low-voltage directive 73/23/EEC