Rice Lake · Indicators / Controllers
SCT-20
Signal Conditioning Transmitter
Standard features
- Space saving, vertical shape with DIN-rail mounting
- Displays weight, configuration, calibration and error conditions
- Theoretical calibration, real-weigh calibration, linearity calibration
- Push-button or preset tare
- Converts digital weight to analog output or optional DeviceNet® or PROFIBUS® or EtherNet/IP™ protocol
- Supports ASCII or Modbus RTU protocols
- Full-scale analog output with zero setting and PLC correction of analog signal
- Bit swapping selection for little endian and big-endian format
- Two digital inputs, three digital outputs
- One serial port, RS-232 transmit only, or RS-485 half-duplex connection
Specifications
- Power
- Input: 12 to 24 VDC
- Power Consumption
- 5 W
- Excitation Voltage
- 5 VDC, 120 mA, 8 × 350 ohm load cells
- Analog Signal Input Range
- ± 39 mV
- Analog Signal Sensitivity
- 0.3 µV/graduation minimum 1.0 µV/graduation recommended
- A/D Sample Rate
- 300 Hz
- Resolution
- Internal: 16,000,000 counts Display: 999,999
- System linearity
- ± 0.01% full scale
- Digital I/O
- 2 inputs 5 to 24 VDC, 3 outputs 115 VAC/150 mA N.O. or N.C. (dry contact)
- Communication Ports
- RS-232 transmit only, or RS-485 half duplex Supports up to 115,200 bps
- Analog Output
- Opto isolated, 16 bit 0-20 mA, 4-20 mA (max 300 ohm) 0-10 VDC, 0-5 VDC (min 10 k ohm)
- Display
- 0.3 in (8 mm), six-digit, seven-segment LED Annunciators: Net, center of zero, stability, kg, g, lb
- Keys/Buttons
- 4-key membrane panel, tactile feel zero, tare, print, menu, escape, left and up navigation, enter Dimensions (W × H × D) 4.72 × 4.52 × 0.98 in (120 × 115 × 25 mm)
- Temperature
- Operating: -4 °F to 140 °F (-20 °C to 60 °C)
- Humidity
- 85% non-condensing
- Rating/Material
- Enclosure: NEMA Type 1 plastic pluggable connectors
Models & part numbers
Available configurations.
| Part / model | Description |
|---|---|
| 129396 | SCT-20 converter with Analog Output 1 lb |
| 129397 | SCT-20 converter with DeviceNet® 1 lb |
| 129558 | SCT-20 converter with PROFIBUS® DP 1 lb |
| 129398 | SCT-20 converter with EtherNet/IP™ 1 lb |
| 132534 | SCT-20 converter with Ethernet TCP/IP 1 lb |
| 156903 | SCT-20 converter with Modbus TCP 1 lb |
Options & accessories (2)
| 88792 | 12 VDC 1.2 A DIN rail mount power supply 1 lb |
| 119244 | 24 VDC 1.3 A DIN rail mount power supply. 1 lb |
Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 545. Specifications are subject to change without notice.
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