A&D Weighing AD-4407 User Manual

Page 63

AD-4407 Weighing Indicator

Page

18.

18. Specifications

Specifications

Analog Input and A/D Conversion

Input sensitivity

Up to 0.25

mV/division

Input signal range

-1 mV ~ 15 mV

Load cell excitation voltage

5V DC 5%, 120 mA with sense voltage input

Load cell drive capacity

Maximum 8 x 350

W load cells

Temperature Zero

(0.2

mV + 0.0008 % of zero adjustment voltage)/°C (typ.)

coefficient Span

0.0008%/°C of reading (typ.)

Non-Linearity

0.01 % of full scale

Maximum input noise

Less than 0.4

mVp-p

Input impedance

10 M

W or more

A/D conversion method

Integrating dual slope type

A/D resolution count

40000 counts

A/D conversion rate and
display update rate

Approximately 10 times/s

Maximum display resolution 20000 (permissible 40000)

Digital Section

Measurement display

7 segment, Vacuum fluorescent display tube

Character

color Cobalt-blue

Character height

20 mm

State indicator Symbol

Minus sign, Zero point, Stable, Net, Preset tare value,
Storing accumulation data, Percentage,
Various state indicator (triangle

1,2,3)

Character color

Cobalt-blue

Comparison result

HI, OK, LO

Character

color Red for HI and LO, Green for OK

Unit

kg, g, t (lb, oz, lb-oz / catty, tl, catty-tl : depends on country)

Character color

Cobalt-blue

Interface

RS-232C interface

Serial interface for communication (terminal block)

RS-422/485 interface

Serial interface for communication, control (terminal block)

Current Loop output

20mA, passive type (terminal block)

Analog output

4-20mA, free scaling output (terminal block)

External Control Input

3 or 1 input selected functions (terminal block)
3 point (terminal block)
Capacity: 50V AC/DC, maximum current 100mA (resistive load)
Comparison mode selection
HiHi, Hi, OK, Lo, LoLo output for limit comparison

Relay output

Zero band, preliminary, free fall, final for setpoint comparison

18.

Specifications