KD4 Series Specifications OPERATOR INTERFACE Display: LED; 6 Digit; Numeric; 7-Segment Digits; .55” High; Red Status Annunciation: 4 (LED); Red; Indicate “SP1”, “SP2”, “NET”, “Center of Zero” Keypad: 4-Key; Tactile Feedback; Multi-function Display Resolution: 60,000 dd (max.) Display Increments: 1, 2, or 5; Selectable Decimal Point: 0.0, 0.00, 0.000; Selectable Digital Filter: Keypad Programmable; .1 to 25 Hz Zero Tracking: 0, 1, 2, 3 or 4 digits; Selectable Motion Detection: 0, 1, 2, 3 or 4 digits; Selectable Operating Modes: Net, Gross, Peak Hold, Mode 1, Mode 2 Calibration Method: Digital; Keypad; Enter/Store Zero and span value; PC FUNCTION Linearity: Better Than Or Equal To 0.01% Full Scale (FS) Internal Resolution: 24-Bit A/D; >16,000,000 Graduations Measurement Rate: 50 Updates Per Second Signal Sensitivity: .02 mV/Graduation Span Range @ Full Scale: -3.9 mV/V to +3.9 mV/V Excitation Voltage: 5 VDC (Nominal); Short circuit protected Current Rating: 60 mA (Nominal); Up To 6 Summed 350 W Bridges Power: 24 VDC ±15%; 5 Watts Warranty: 1 Year; Limited ANALOG OUTPUT Type: 16-Bit D/A; > 65,000 Graduations Output Formats: Voltage: ± 5 or ± 10 VDC (10Kohm min load); Current: 0-20 or 4-20 mADC (300 Ohm max load) Software Selectable Parameters: Output format; Full Scale and Zero Offset Values; Net, Gross, Peak or Test Modes COMMUNICATION Serial Port Interface: RS232C or RS422/RS485 Standard Baud Rates: 2400, 9600, 19,200 38,400 or 115,200 Baud; Full Duplex; Selectable (RS232) Standard Protocols: ASCII; MODBUS® RTU, Continuous, Demand, Slave (Port 2) Addresses: Up to 32 Recommended Cable Lengths: RS-232 is 50 ft. (max); RS-422 & RS-485 is 3200 ft (max)I/O Fieldbus Protocol: Profibus/DeviceNet I/O Logic Inputs: Two; Opto-Isolated; 24 VDC PNP (requires external power source) Logic Outputs: Two; Opto-Relays; (maximum load 24 VDC/100 mADC each ENVIRONMENTAL Operating Temperature Range: -10° To +50° C / 14 To 122°F Storage Temperature Range -20° To +70° C / -4° To 158° F Humidity Range: 0 To 85% RH; Non-condensing Temperature Effect on Output: