AD-4405A Weighing Indicator Page 73
21. Specifications
Analog Input and A/D Conversion
Input sensitivity 0.15 V/division
Input signal range -35 mV to +35 mV
Load cell excitation voltage 5VDC 5%, 60 mA with sense voltage input
Load cell drive capacity Maximum 4 x 350 load cells
Zero 0.02 µV/°C (typ.) 0.1 µV/°C (max.) Temperature
coefficient
Span 3ppm/°C (typ.) 15ppm/°C (max.)
Non-Linearity 0.005 % of full scale
Maximum input noise 0.15 µVp-p (typ.)
Input impedance 10 M or more
A/D conversion method Delta-sigma method
A/D resolution count 16000000 counts
A/D conversion 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 accumulated 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
Printer 5 x 7 dot matrix type, 16 digits per line
21. Specifications