• 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 simplex and RS-485 connection
  • CD manual
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Control in Miniature

For PLC systems that require weight data from a scale, Rice Lake’s compact SCT-20 transmitter delivers equivalent signal-conditioning function without the cost or bulk of a full size weight indicator/controller.
Each Rice Lake SCT-20 is DIN-rail mountable within a cabinet or control panel, where it converts a scale’s load cell signals to analog output, serial output, or a specific network protocol. Unlike many other signal transmitters, Rice Lake’s SCT-20 has its own .3 inch weight display, with annunciators for unit and weighing status, and push buttons for zero, tare and setpoint entry—simplifying scale setup, calibration and operation.


SCT-20 Specifications


Input: 12 -24 VDC
Power consumption: 5 watts

Excitation Voltage:
5VDC, 120mA, 8 x 350Ω

Analog Signal Input Range:
+/- 39mV

Analog Signal Sensitivity:
0.1 µV/graduation minimum
1.0 µV/graduation recommended

A/D Sample Rate:
300 Hz

Internal resolution: 16 million counts
Weight display resolution: 999,999
System linearity: ± 0.01% full scale

Digital Inputs/Outputs: 
2 inputs 5-24VDC, 3 outputs 115VAC/150mA N.O. or N.C. (dry contact)

Serial Port:
RS-485 or RS-232 simplex supports up to 115,200 bps

Analog Output:
Optoisolated, 16 bit
0-20mA, 4-20mA (max 300 ohm)
0-10VDC, 0-5VDC (min 10k ohm)

0.3 in (8 mm), six digit, seven segment LED
Annunciators: Net, center of zero, stability, KG, G, LB

4-key membrane panel, tactile feel
Zero, Tare, Print, Menu, Escape, Left & Up Navigation, Enter

Operating Temperature & Humidity:
Working Temperature: -4°F to 140°F (-20°C to 60°C)
Humidity: 85% non-condensing

Dimensions (W x H x D):
SCT converter: 0.98 x 4.52 x 4.72 in (25 x 115 x 120 mm)

1 lb (0.5 kg)

SCT enclosure: NEMA Type 1 plastic pluggable connectors

One-year limited warranty