A&D AD-4405 User Manual

Page

AD-4405 Weighing Indicator

21.

21. 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%, 60 mA with sense voltage input

Load cell drive capacity

Maximum 4 x 350

W load cells

Zero

(0.2

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

Temperature

coefficient

Span

0.0008%/ 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 (unstable), 5 times/s (stable)

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 (triangle1, 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 the region)

Character color

Cobalt-blue

Interface

RS-232C interface

Serial interface for communication (D-Sub 9P)

RS-422/485 interface

Serial interface for communication, control (terminal block)

Current Loop output

20mA, Passive type (DIN 8P)

Analog output

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

External Control Input

3 (or 1) contact input terminals, selected functions (DIN 8P)
3 point (DIN 8P or 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

Printer

Built-in printer

5 x 7 dot matrix type, 16 digits per line

21. Specifications