A&D Weighing AD-4407 - Manual (Page 63)

AD-4407 Weighing Indicator Page 61
18. 18. 18. 18. Specifications Specifications Specifications Specifications
Analog Input and A/D Conversion Analog Input and A/D Conversion Analog Input and A/D Conversion 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 Digital Section Digital Section 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 Interface Interface 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