KD4 Series
Price range: $715.00 through $915.00
- 60,000 Display Divisions
- 24-Bit A/D Converter
- HI-Res 16-Bit Analog Output
- 6-Digit LED Display
- 24 VDC Power Operation
- -0.5 to +3.5 mV/V Input
- -3.9 to +3.9 mV/V (Bi-Polar Option)
- 5 VDC Excitation
- MODBUS® RTU Over RS 485
- Profibus/DeviceNet
- RS 232 & 422/485 Interfaces
- Four Digital I/O
The KD4 Series is a high performance, multi-featured panel mount digital controller designed as a companion instrument for load cells, force and torque transducers, and weighing systems. Two calibration options are available: Digital (keypad entry), or analog (reference signal). RS232/422/485 serial interfaces are supported. MODBUS® RTU protocol is standard. KD4 Series utilizes a high resolution 24-bit input A/D with a 16-bit output A/D for the standard 0-5 VDC, 0-10 VDC, 0-20 mA, and 4-20 mA configurable outputs. Remote sensing is supported, which is particularly beneficial where long cable runs or Intrinsic Safety barriers are employed. The KD4 series operates on 24 VDC power and includes digital I/O with two optically-isolated logic inputs and two optically-isolated logic outputs. Optional Innovation® is an MS Windows-based software, providing an intuitive and convenient tool for PC Setup/Control/ Networking. The attributes of the KD4 Series digital controller is ideal for measurements in the laboratory, manufacturing, process applications, weighing situations, and for general measurement and control.
| 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; 0.1 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 |
| Calibration Method: | Keypad; Enter/Store Zero and span value; PC Innovations® Software |
| 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 Input Range @ Full Scale: | -0.5 to +3.5mV/V (Standard) /-3.9 mV/V to +3.9 mV/V (Bi-Polar Option) |
| Excitation Voltage: | 5 VDC (Nominal); Short circuit protected |
| Current Rating: | 85 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: | 0-5 or 0-10 VDC; 0-20 or 4-20 mADC (Standard) / ± 5 or ± 10 VDC (Bi-Polar Option) |
| Resistance Loads: | Voltage: 10K Ohm minimum, Current 300 Ohm maximum |
| Communication | |
|---|---|
| Serial Port Interfaces: | TWO Ports: 1) USB/RS-232; 2) RS422 or 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) |
| 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: | <.0005% FS/°F (<.001% FS/°C) |
| Regulatory Compliance: | EN 61326-1, EN55011 and EN55014 for EMC; EN61010-1 for Electrical Security |
| Enclosures | |
|---|---|
| Enclosure Construction: | DIN Rail Mount; NORYL Auto-extinguishing; IP20 |
| Enclosure Dimensions: | KD4: 3.78” wide X 1.89” high X 5.83” deep |
| Wiring Connections: | Screw Terminal Blocks; Pitch of 0.196” |
| Weight: | 10 Ounces |
| Datasheets |  KD4-DS.00.pdf |
| Step Files |  KD4-001-X1-STEP.step |